Cheap flights from Dulles Intl (IAD) to London (LON) from $226

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 7/23. 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 — LON
May 11 — May 181

The best prices from Washington, D.C. Dulles Intl to London are usually found in January or October, booked 64 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to London (LON). 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 6, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$643

One-way from

$226
High demand for flights, 29% potential price rise
Best time to find cheap flights, 14% potential price drop
From Washington, D.C. Dulles Intl to London (LON)
One-way flight from Washington, D.C. Dulles Intl to London (LON)

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

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 24 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to London 1-2 weeks in advance for as low as $735, or $790 for flights within the next 24 hours.

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

The best pricing can be found in the month of October. Prices to London from Washington, D.C. Dulles Intl Airport average $718. You can even find prices in October for less than $718, as users have found deals to London from as low as $351. The month of June appears to be one of the more expensive times to travel to London from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 41%.

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

When flying from Washington, D.C. Dulles Intl Airport to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 11% versus a flight in the morning.

Cheap United Airlines flights from Dulles Intl to London

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and London. 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 2,689,106 searches. Data last updated May 6, 2024.
Consider these cheap United Airlines flights we've found departing from Washington, D.C. to London. Deals update often to give you more flight options matching your criteria
Wed 10/236:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Mon 10/2812:05 pmLHR - IAD
1 stop33h 20mUnited Airlines
Deal found 5/5$609
Tue 10/810:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Thu 10/176:50 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/5$617
Wed 5/1510:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Fri 5/318:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/6$639
Sun 5/1910:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Tue 5/288:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/5$642
Wed 5/1512:49 pmIAD - LHR
1 stop12h 06mUnited Airlines
Wed 5/298:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/6$643
Mon 5/206:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Tue 6/46:50 amLHR - IAD
1 stop11h 40mUnited Airlines
Deal found 5/5$646
Wed 7/316:30 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Tue 8/207:00 amLHR - IAD
1 stop12h 15mUnited Airlines
Deal found 5/5$649
Wed 5/156:00 amIAD - LHR
1 stop9h 40mUnited Airlines
Tue 6/46:50 amLHR - IAD
1 stop11h 40mUnited Airlines
Deal found 5/5$651
Sun 5/1212:35 pmIAD - LHR
1 stop12h 55mUnited Airlines
Fri 5/314:40 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/6$655
  • If you’re traveling from Washington, D.C. Dulles Intl Airport to London, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $672.25 RT. This price is typically 91% more expensive than other airlines that offer Washington, D.C. Dulles Intl Airport to London flights. When booking this route, the cheapest RT price found was $567. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to London is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London, United Airlines flights are 6% more popular than any other airline flying that same route.

Cheap TAP AIR PORTUGAL flights from Dulles Intl to London

Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between Dulles Intl and London. 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 2,689,106 searches. Data last updated May 6, 2024.
Have a look at some of the cheapest available TAP AIR PORTUGAL flights departing from Washington, D.C. and landing in London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Thu 10/2410:20 pmIAD - LHR
1 stop15h 30mTAP AIR PORTUGAL
Thu 10/316:00 amLHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 5/5$513
Wed 10/165:40 pmIAD - LHR
1 stop11h 40mTAP AIR PORTUGAL
Sun 10/207:50 pmLHR - IAD
1 stop24h 25mTAP AIR PORTUGAL
Deal found 5/5$521
Thu 10/1710:20 pmIAD - LHR
1 stop14h 25mTAP AIR PORTUGAL
Sun 10/274:30 pmLHR - IAD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 5/5$534
Fri 10/187:55 pmIAD - LGW
1 stop14h 40mTAP AIR PORTUGAL
Sun 10/2710:40 amLGW - IAD
1 stop31h 20mTAP AIR PORTUGAL
Deal found 5/6$537
Sun 5/1210:20 pmIAD - LGW
1 stop11h 50mTAP AIR PORTUGAL
Wed 5/224:25 pmLGW - IAD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 5/4$861
  • One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to London is TAP AIR PORTUGAL. Flights from TAP AIR PORTUGAL traveling this route typically cost $777.80 RT. This price is typically 66% more expensive than other airlines that offer Washington, D.C. Dulles Intl Airport to London flights. When booking this route, the cheapest RT price found was $466. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to London is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London, TAP AIR PORTUGAL flights are 4% more popular than any other airline flying that same route.

Cheap Dulles Intl to London flights in May & June 2024

Find cheap flight options from Dulles Intl to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to London in 2024. Check back regularly for other flight deals.
Mon 5/206:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 6/511:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$456
Mon 5/206:50 pmIAD - STN
1 stop10h 50mPLAY
Thu 5/3011:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$481
Mon 5/206:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/2911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$485
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$486
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/2911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$487
Mon 5/206:50 pmIAD - STN
1 stop10h 50mPLAY
Tue 5/2811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$495
Mon 5/276:50 pmIAD - STN
1 stop10h 50mPLAY
Mon 6/311:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$537
Mon 5/276:50 pmIAD - STN
1 stop10h 50mPLAY
Thu 6/611:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/4$540
Mon 5/276:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/2911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$543

Dulles Intl to London 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
Scroll through some of the best deals on flights from Washington, D.C. to London in 2024. Check back regularly for other flight deals.
Tue 11/56:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 11/1210:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$388
Thu 11/286:05 pmIAD - STN
1 stop10h 50mPLAY
Fri 12/610:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/4$389
Tue 11/56:05 pmIAD - STN
1 stop10h 50mPLAY
Sun 11/1010:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$394
Fri 11/296:05 pmIAD - STN
1 stop10h 50mPLAY
Sun 12/810:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$397
Mon 11/116:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 11/1910:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$398
Fri 11/156:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 11/1910:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/4$401
Sat 11/96:05 pmIAD - STN
1 stop10h 50mPLAY
Tue 11/1210:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$403
Wed 12/46:05 pmIAD - STN
1 stop10h 50mPLAY
Mon 12/910:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/6$405
Fri 11/156:05 pmIAD - STN
1 stop10h 50mPLAY
Fri 11/2210:55 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$408

Non-stop flights to London from Dulles Intl

Discover non-stop flight options from Dulles Intl to London. 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 2,689,106 searches. Data last updated May 6, 2024.
Consider booking one of these non-stop flights heading from Washington, D.C. to London. Select from other flights from Washington, D.C. to London by using the search form above.
Sun 5/1910:25 pmIAD - LHR
Nonstop7h 15mLufthansa
Tue 5/2812:15 pmLHR - IAD
Nonstop8h 05mLufthansa
Deal found 5/5$643
Sun 5/1910:25 pmIAD - LHR
Nonstop7h 15mLufthansa
Tue 5/284:40 pmLHR - IAD
Nonstop8h 05mLufthansa
Deal found 5/5$647
Mon 5/2010:15 pmIAD - LHR
Nonstop7h 15mDelta
Fri 5/315:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 5/5$655
Sun 7/285:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Sat 9/75:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/5$689
Sun 7/286:30 pmIAD - LHR
Nonstop7h 15mLufthansa
Sun 9/812:15 pmLHR - IAD
Nonstop8h 15mLufthansa
Deal found 5/5$690
Sun 5/1910:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Tue 5/284:40 pmLHR - IAD
Nonstop8h 05mUnited Airlines
Deal found 5/5$696
Wed 5/1510:15 pmIAD - LHR
Nonstop7h 15mDelta
Wed 5/225:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 5/5$700
Sun 7/2110:50 pmIAD - LHR
Nonstop7h 20mBritish Airways
Mon 8/195:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/5$704
Mon 5/2010:15 pmIAD - LHR
Nonstop7h 15mDelta
Mon 6/35:30 pmLHR - IAD
Nonstop7h 55mDelta
Deal found 5/5$705

Dulles Intl to London flights leaving soon

Find last-minute flight options from Dulles Intl to London 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 2,689,106 searches. Data last updated May 6, 2024.
Book one of these great deals on flights from Washington, D.C. to London. Tip: verify your flight details before completing your reservation.
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$486
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Wed 5/2911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$487
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Sat 5/1811:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$545
Thu 5/166:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/3111:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$568
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Sat 6/111:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$601
Thu 5/166:50 pmIAD - STN
1 stop10h 50mPLAY
Sun 5/1911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$610
Sun 5/126:50 pmIAD - STN
1 stop10h 50mPLAY
Fri 5/1711:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$633
Mon 5/136:50 pmIAD - STN
1 stop10h 50mPLAY
Sun 5/1911:40 amSTN - IAD
1 stop11h 00mPLAY
Deal found 5/5$637
Wed 5/1510:25 pmIAD - LHR
Nonstop7h 15mUnited Airlines
Fri 5/318:40 amLHR - IAD
1 stop12h 35mUnited Airlines
Deal found 5/6$639

One-way flights to London from Dulles Intl

Search for one-way flight options from Dulles Intl to London. 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 2,689,106 searches. Data last updated May 6, 2024.
If you're seeking multiple options on one-way flights from Washington, D.C. to London, be sure to check out these deals, which are updated often. Those needing a return flight from Washington, D.C. to London can use the search form above.
Tue 7/2311:15 pmIAD - LGW
1 stop31h 30mIcelandair
Deal found 5/6$226
Tue 10/18:30 pmIAD - LGW
1 stop10h 15mIcelandair
Deal found 5/5$230
Tue 10/18:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/5$230
Thu 9/268:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/5$232
Sun 9/226:50 pmIAD - STN
1 stop10h 50mPLAY
Deal found 5/5$233
Wed 7/1711:15 pmIAD - LHR
1 stop31h 40mIcelandair
Deal found 5/5$233
Wed 9/258:30 pmIAD - LGW
1 stop10h 15mIcelandair
Deal found 5/5$236
Thu 9/198:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 5/5$236
Tue 7/236:50 pmIAD - STN
1 stop10h 50mPLAY
Deal found 5/6$237

Find flights from Dulles Intl to London within your budget

Customize your flight search to find flights from Dulles Intl to London 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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$412 - $623

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon Stansted

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 9/17

1 stop10h 50m

London Stansted

Mon 12/9

1 stop11h 00m

$412

Washington, D.C. Dulles IntlLondon Luton

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Tue 8/20

1 stop13h 50m

London Luton

Fri 8/30

1 stop16h 10m

$447

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 10/24

1 stop15h 30m

London Heathrow

Thu 10/31

1 stop14h 00m

$513

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/5

1 stop18h 50m

London Heathrow

Mon 8/19

1 stop29h 45m

$533

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 10/28

1 stop14h 30m

London Heathrow

Tue 11/5

1 stop27h 10m

$555

Washington, D.C. Dulles IntlLondon Gatwick

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 9/5

1 stop13h 45m

London Gatwick

Sun 9/8

1 stop31h 35m

$564

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 9/25

Nonstop7h 20m

London Heathrow

Tue 10/1

1 stop12h 45m

$608

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 10/23

Nonstop7h 15m

London Heathrow

Mon 10/28

1 stop33h 20m

$609

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 9/9

Nonstop7h 20m

London Heathrow

Thu 9/19

1 stop18h 00m

$623

Flights are sorted by cheapest first

Deals found on 5/5

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to London. 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, you should look to book at least 64 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?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to London. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to London by month

Plan your trip from Dulles Intl to London by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to London is currently $233 while a round-trip flight costs $540. 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 (average of $653). Flying from Washington, D.C. Dulles Intl Airport to London 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 London by month

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

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated May 6, 2024.
See what other customers who have flown with United Airlines, TAP AIR PORTUGAL and Icelandair from Washington, D.C. to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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
10,818 reviews
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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
1,602 reviews
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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
2,013 reviews
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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
740 reviews
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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
1,068 reviews
8.1
Very good
10,818 reviews

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

7.9

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 London. 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 for under $500 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London for under $500. The cheapest flight booked recently is on PLAY for just $412, but on average you can expect to pay $453.

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

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to London under $700. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to London is less than $727.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to London for under $500?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to London within the next 7 days for less than $500.

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

    Nonstop flights can be found on the following days: Tuesday, Wednesday, Thursday, Friday.

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

    Travelers can expect 5 flights from Washington, D.C. Dulles Intl Airport to London on average per day.
    Afternoon (Noon - 6pm) - 100% of flight departures

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

    Airlines like PLAY fly from Washington, D.C. Dulles Intl Airport to London in about 10h 50m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. Dulles Intl Airport and London are separated by a distance of 3687 mi.

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

    According to our current data, PLAY ($412), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London. PLAY is priced at 43% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to London?

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to London on time: American Airlines (80%), Aer Lingus (80%), Finnair (80%).

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to London is generally $1,734, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $513 for that flight.

  • What does IAD to LHR mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight would often be abbreviated as a IAD to LHR flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

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

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

    Reykjavik travelers tend to visit Hallgrímskirkja, Icelandic Phallological Museum, and Harpa more than anywhere else. 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. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $56 per day.

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

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

    The amount of baggage you can bring on your Dulles Intl to London 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 London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to London 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 London that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to London 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 London that allow pets onboard?

    Many airlines flying from Dulles Intl to London 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 London?

    Yes, you can often find last-minute deals on Dulles Intl to London 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 flight deals updated?

    The Washington, D.C. Dulles Intl Airport to London flight deals you see on this page were last updated on 5/6.

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Fly from Dulles Intl to London on these airlines
Choose from the following airlines for your flight from Dulles Intl to London. Flights are based on user searches made on Cheapflights and were last updated on May 6, 2024.

Top 10 airlines flying from Dulles Intl to London

Discover the top 10 airlines that operate flights from Dulles Intl to London. 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 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$197Average$680FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
PLAYCheapest$369Average$513FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
LufthansaCheapest$392Average$805FlexibilityNo 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$466Average$778FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
TAP AIR PORTUGALCheapest$473Average$595FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest$480Average$671FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest$490Average$668FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest$519Average$793FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Search flights from Dulles Intl to London by cabin class

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

Hourly flight availability from Dulles Intl to London

Find hourly flight availability from Dulles Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 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 London

Explore weekly flight availability from Dulles Intl to London. 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 6, 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 London, 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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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to London.

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Yes, we can. To see specific flights from Dulles Intl to London 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 London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Dulles Intl today and book when prices fit your budget.

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