Cheap flights from Dulles Intl (IAD) to Heathrow (LHR) from $230

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — LHR
May 9 — May 161

The best prices from Washington, D.C. Dulles Intl to London Heathrow are usually found in October or November, booked 15 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 4, 2024.

Popular in

June

Cheapest in

October

Round-trip from

$643

One-way from

$230
High demand for flights, 30% potential price rise
Best time to find cheap flights, 16% potential price drop
From Washington, D.C. Dulles Intl to London Heathrow
One-way flight from Washington, D.C. Dulles Intl to London Heathrow

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 9% on the overall cost on flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, book at least 60 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $734 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $863.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

February can be a great time to fly to London Heathrow Airport from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $691. Cheapflights users have found deals in the month of February for as cheap as $370. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (IAD - LHR)?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport at noon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.

Cheap TAP AIR PORTUGAL flights from Dulles Intl to Heathrow

Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between Dulles Intl and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Check out some of the cheapest TAP AIR PORTUGAL flights we've come across from Washington, D.C. to London. Make sure to check back often as deals are often changing.
Mon 9/910:25 pmIAD - LHR
1 stop19h 30mTAP AIR PORTUGAL
Thu 10/248:00 amLHR - IAD
1 stop17h 20mTAP AIR PORTUGAL
Deal found 5/3$499
Sat 10/58:20 pmIAD - LHR
1 stop11h 25mTAP AIR PORTUGAL
Fri 10/116:00 amLHR - IAD
1 stop17h 25mTAP AIR PORTUGAL
Deal found 5/3$513
Mon 10/145:35 pmIAD - LHR
1 stop14h 10mTAP AIR PORTUGAL
Fri 10/256:00 amLHR - IAD
1 stop19h 45mTAP AIR PORTUGAL
Deal found 5/3$527
Mon 9/910:25 pmIAD - LHR
1 stop14h 20mTAP AIR PORTUGAL
Thu 9/198:00 amLHR - IAD
1 stop12h 20mTAP AIR PORTUGAL
Deal found 5/3$532
Tue 9/1010:30 pmIAD - LHR
1 stop19h 25mTAP AIR PORTUGAL
Tue 9/176:00 amLHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Deal found 5/3$534
Tue 10/110:30 pmIAD - LHR
1 stop15h 20mTAP AIR PORTUGAL
Tue 10/1511:20 amLHR - IAD
1 stop14h 40mTAP AIR PORTUGAL
Deal found 5/2$548
Sun 9/2210:20 pmIAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Tue 10/16:45 pmLHR - IAD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 5/4$555
Wed 10/210:20 pmIAD - LHR
1 stop12h 15mTAP AIR PORTUGAL
Thu 10/108:00 amLHR - IAD
1 stop12h 20mTAP AIR PORTUGAL
Deal found 5/3$559
Wed 10/210:20 pmIAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Wed 10/911:20 amLHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 5/3$561
  • One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is TAP AIR PORTUGAL. Flights from TAP AIR PORTUGAL traveling this route typically cost $676.58 RT. This price is typically 74% more expensive than other airlines that offer Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights. When booking this route, the cheapest RT price found was $569. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to London Heathrow Airport is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, TAP AIR PORTUGAL flights are 8% more popular than any other airline flying that same route.

Cheap Icelandair flights from Dulles Intl to Heathrow

Explore cheap flight options specifically provided by Icelandair for the route between Dulles Intl and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Have a look at some of the cheapest available Icelandair flights departing from Washington, D.C. and landing in London. Make sure to examine the flight information before completing your reservation.
Sat 8/108:30 pmIAD - LHR
1 stop10h 25mIcelandair
Tue 8/209:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$535
Thu 8/1511:15 pmIAD - LHR
1 stop31h 40mIcelandair
Wed 8/219:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/4$537
Sun 8/48:30 pmIAD - LHR
1 stop10h 25mIcelandair
Sat 8/241:05 pmLHR - IAD
1 stop11h 10mIcelandair
Deal found 5/3$538
Sun 8/48:30 pmIAD - LHR
1 stop10h 25mIcelandair
Mon 8/199:25 pmLHR - IAD
1 stop29h 45mIcelandair
Deal found 5/4$539
Fri 8/168:30 pmIAD - LHR
1 stop10h 25mIcelandair
Wed 8/219:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/4$540
Thu 9/58:30 pmIAD - LHR
1 stop10h 25mIcelandair
Mon 9/309:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$541
Tue 9/311:15 pmIAD - LHR
1 stop16h 05mIcelandair
Tue 9/179:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$545
Fri 8/168:30 pmIAD - LHR
1 stop10h 25mIcelandair
Wed 8/219:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$549
Mon 9/211:15 pmIAD - LHR
1 stop31h 40mIcelandair
Tue 9/101:05 pmLHR - IAD
1 stop11h 10mIcelandair
Deal found 5/3$551
  • One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is Icelandair. Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights are typically 68% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $782.76 RT. The cheapest Icelandair flight found for this route was $464. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to London Heathrow Airport is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, Icelandair flights are 5% more popular than any other airline flying that same route.

Cheap Dulles Intl to Heathrow flights in May & June 2024

Find cheap flight options from Dulles Intl to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 4, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to London in May and June 2024. More deals are always being added, so be sure to check back regularly.
Mon 5/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Tue 5/149:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$583
Sun 5/58:30 pmIAD - LHR
1 stop10h 25mIcelandair
Wed 5/159:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$584
Mon 5/68:30 pmIAD - LHR
1 stop18h 50mIcelandair
Tue 5/149:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/4$585
Mon 5/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Wed 5/221:05 pmLHR - IAD
1 stop14h 05mIcelandair
Deal found 5/3$599
Mon 5/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Mon 9/91:05 pmLHR - IAD
1 stop11h 10mIcelandair
Deal found 5/3$607
Wed 5/296:50 pmIAD - LHR
2 stops21h 45mMultiple Airlines
Tue 6/46:45 amLHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 5/3$613
Sun 5/58:30 pmIAD - LHR
1 stop10h 25mIcelandair
Thu 5/91:10 pmLHR - IAD
1 stop11h 05mIcelandair
Deal found 5/3$615
Mon 5/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Mon 5/139:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$616
Thu 5/166:50 pmIAD - LHR
2 stops21h 45mMultiple Airlines
Mon 5/206:45 amLHR - IAD
2 stops15h 55mMultiple Airlines
Deal found 5/3$630

Dulles Intl to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to London in May and June 2024. More deals are always being added, so be sure to check back regularly.
Mon 5/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Tue 5/149:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$583
Mon 9/238:30 pmIAD - LHR
1 stop10h 25mIcelandair
Mon 9/309:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/3$584
Sun 9/225:15 pmIAD - LHR
2 stops18h 45mScandinavian Airlines
Sun 10/279:05 pmLHR - IAD
2 stops26h 35mScandinavian Airlines
Deal found 5/3$585
Tue 10/15:15 pmIAD - LHR
2 stops23h 20mScandinavian Airlines
Sun 10/68:30 pmLHR - IAD
1 stop23h 55mScandinavian Airlines
Deal found 5/4$586
Sun 8/188:30 pmIAD - LHR
1 stop10h 25mIcelandair
Thu 9/191:10 pmLHR - IAD
1 stop11h 05mIcelandair
Deal found 5/3$587
Mon 9/235:35 pmIAD - LHR
1 stop11h 45mTAP AIR PORTUGAL
Thu 10/316:00 amLHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 5/3$588
Mon 8/128:30 pmIAD - LHR
1 stop10h 25mIcelandair
Tue 8/279:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/2$589
Thu 8/2211:15 pmIAD - LHR
1 stop31h 40mIcelandair
Tue 8/279:25 pmLHR - IAD
1 stop26h 50mIcelandair
Deal found 5/4$590
Fri 11/1510:30 pmIAD - LHR
1 stop15h 25mTAP AIR PORTUGAL
Thu 12/126:00 amLHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 5/3$591

Non-stop flights to Heathrow from Dulles Intl

Discover non-stop flight options from Dulles Intl to Heathrow. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
For a shorter flight, select one of these non-stop flights from Washington, D.C. to London. Select from other flights from Washington, D.C. to London by using the search form above.
Sun 9/2210:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Tue 10/15:30 pmLHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 5/4$603
Mon 10/1410:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Fri 10/255:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/3$616
Wed 10/210:45 pmIAD - LHR
Nonstop7h 20mFinnair
Thu 10/105:25 pmLHR - IAD
Nonstop8h 05mFinnair
Deal found 5/3$625
Tue 9/105:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Wed 9/2512:35 pmLHR - IAD
Nonstop8h 00mBritish Airways
Deal found 5/3$640
Sun 5/1910:25 pmIAD - LHR
Nonstop7h 15mLufthansa
Tue 5/2812:15 pmLHR - IAD
Nonstop8h 05mLufthansa
Deal found 5/4$645
Mon 9/1610:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Tue 10/14:40 pmLHR - IAD
Nonstop8h 15mUnited Airlines
Deal found 5/3$648
Mon 10/710:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Tue 10/225:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/3$653
Wed 5/1510:15 pmIAD - LHR
Nonstop7h 15mDelta
Thu 5/235:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 5/3$655
Thu 10/1710:15 pmIAD - LHR
Nonstop7h 15mVirgin Atlantic
Thu 10/245:30 pmLHR - IAD
Nonstop7h 55mVirgin Atlantic
Deal found 5/3$667

Dulles Intl to Heathrow flights leaving soon

Find last-minute flight options from Dulles Intl to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to London. Tip: verify your flight details before completing your reservation.
Mon 5/138:16 amIAD - LHR
1 stop20h 44mUnited Airlines
Wed 5/2912:05 pmLHR - IAD
1 stop33h 10mUnited Airlines
Deal found 5/4$639
Sun 5/1210:15 pmIAD - LHR
Nonstop7h 15mDelta
Fri 5/319:00 amLHR - IAD
1 stop15h 10mDelta
Deal found 5/3$648
Tue 5/1410:15 pmIAD - LHR
Nonstop7h 15mDelta
Fri 5/248:40 amLHR - IAD
1 stop11h 55mDelta
Deal found 5/3$650
Sun 5/124:59 pmIAD - LHR
1 stop12h 16mDelta
Fri 5/316:15 amLHR - IAD
1 stop14h 55mDelta
Deal found 5/3$653
Tue 5/1410:15 pmIAD - LHR
Nonstop7h 15mDelta
Tue 5/285:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 5/3$655
Mon 5/1310:25 pmIAD - LHR
Nonstop7h 15mLufthansa
Fri 5/319:30 amLHR - IAD
1 stop11h 35mLufthansa
Deal found 5/3$659
Sun 5/1212:35 pmIAD - LHR
2 stops15h 00mAir Canada
Fri 5/319:30 amLHR - IAD
1 stop15h 59mAir Canada
Deal found 5/4$661
Tue 5/1410:15 pmIAD - LHR
Nonstop7h 15mDelta
Thu 5/2310:50 amLHR - IAD
1 stop11h 31mDelta
Deal found 5/3$665
Mon 5/133:27 pmIAD - LHR
1 stop11h 03mAmerican Airlines
Thu 9/126:15 amLHR - IAD
1 stop18h 00mAmerican Airlines
Deal found 5/3$686

One-way flights to Heathrow from Dulles Intl

Search for one-way flight options from Dulles Intl to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to London. Users needing a return flight from Washington, D.C. to London should utilize the search form above.
Tue 10/18:30 pmIAD - LHR
1 stop18h 50mIcelandair
Deal found 5/3$230
Mon 9/238:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/3$235
Thu 9/198:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/3$236
Wed 8/78:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/3$240
Wed 7/248:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/2$241
Tue 9/178:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/4$242
Tue 8/68:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/4$244
Mon 7/811:15 pmIAD - LHR
1 stop16h 05mIcelandair
Deal found 5/3$245
Mon 8/58:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/3$246

Find flights from Dulles Intl to Heathrow within your budget

Customize your flight search to find flights from Dulles Intl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$499 - $623

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 9/9

1 stop19h 30m

London Heathrow

Thu 10/24

1 stop17h 20m

$499

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 8/10

1 stop10h 25m

London Heathrow

Tue 8/20

1 stop26h 50m

$535

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 10/1

2 stops18h 10m

London Heathrow

Thu 10/17

1 stop13h 45m

$556

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/5

1 stop10h 25m

London Heathrow

Tue 8/20

2 stops26h 40m

$599

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9/22

Nonstop7h 15m

London Heathrow

Thu 10/3

1 stop12h 35m

$616

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 10/14

Nonstop7h 15m

London Heathrow

Fri 10/25

1 stop11h 55m

$619

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9/22

Nonstop7h 15m

London Heathrow

Wed 10/2

1 stop11h 05m

$620

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 10/2

1 stop14h 50m

London Heathrow

Tue 10/8

2 stops15h 20m

$621

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 9/2

Nonstop7h 20m

London Heathrow

Tue 9/10

1 stop12h 45m

$623

Flights are sorted by cheapest first

Deals found on 5/3

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Heathrow. Price data was last updated on May 3, 2024.
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Heathrow. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Dulles Intl to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Heathrow is currently $240 while a round-trip flight costs $588. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (average of $653). Flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

November

$653

December

$672

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated May 4, 2024.
To help decide which airline to fly from Washington, D.C. to London, see what other customers have to say about TAP AIR PORTUGAL, Icelandair and Scandinavian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.1
Very good
10,838 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
1,604 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.8
Good
2,019 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.8
Good
1,379 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.7
Good
742 reviews
8.1
Very good
10,838 reviews

Entertainment

8.0

Crew

8.6

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under $500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $499, but on average you can expect to pay $540.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under $700 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport under $700. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is less than $661.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under $700?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport within the next 7 days for less than $700.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

    Nonstop flights are available for this route on the following days: Tuesday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to London Heathrow Airport on average per day?

    3 flight departures from Washington, D.C. Dulles Intl Airport to London Heathrow Airport per day on average.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in 10h 25m. Fly via TAP AIR PORTUGAL, Icelandair, or Scandinavian Airlines to get the fastest option. The distance between Washington, D.C. Dulles Intl Airport and London Heathrow Airport is about 3687 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport round-trip?

    TAP AIR PORTUGAL, at $499, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Icelandair and Scandinavian Airlines. TAP AIR PORTUGAL is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

    Consider American Airlines (80%), Aer Lingus (80%) or Finnair (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

    On average you can expect to pay $1,734 for a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. The cheapest flight overall is $443 while the most popular route, (Washington, D.C. Dulles Intl - London Heathrow) is currently priced at $416.

  • What does IAD to LHR mean?

    IAD stands for Washington, D.C. Dulles Intl Airport, while LHR stands for London Heathrow Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Icelandic Phallological Museum, and Harpa are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Icelandic Phallological Museum and Harpa are located about 23.2 mi, 23.5 mi, and 23.3 mi, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers can book a car rental at Reykjavik Keflavik Intl for about $56 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights?

  • Can I find deals for flights from Dulles Intl to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Heathrow.

  • Can I find deals for business class flights from Dulles Intl to Heathrow?

    Yes. Cheapflights offers flight deals from Dulles Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to Heathrow that allow pets onboard?

    Many airlines flying from Dulles Intl to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Heathrow?

    Yes, you can often find last-minute deals on Dulles Intl to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals updated?

    The Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals you see on this page were last updated on 5/4.

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Fly from Dulles Intl to Heathrow on these airlines
Choose from the following airlines for your flight from Dulles Intl to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2024.

Top 10 airlines flying from Dulles Intl to Heathrow

Discover the top 10 airlines that operate flights from Dulles Intl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,795,183 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$216Average$713FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest$381Average$471FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
LufthansaCheapest$392Average$816FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$392Average$705FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapest$426Average$446FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
DeltaCheapest$464Average$783FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest$474Average$595FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest$480Average$652FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest$496Average$685FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest$518Average$787FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Search flights from Dulles Intl to Heathrow by cabin class

Find flights from Dulles Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Dulles Intl to Heathrow

Find hourly flight availability from Dulles Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 4, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
61%of flight departuresAfternoonNoon to 6 pm
38%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to Heathrow

Explore weekly flight availability from Dulles Intl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 4, 2024.
Sunday30daily flights
Monday30daily flights
Tuesday30daily flights
Wednesday30daily flights
Thursday30daily flights
Friday30daily flights
Saturday24daily flights

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When you search for this flight from Dulles Intl to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Can Cheapflights find flights from Dulles Intl to Heathrow with no change fees?

Yes, we can. To see specific flights from Dulles Intl to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dulles Intl to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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