District of Columbia

$399+ Cheap flights from Heathrow (LHR) to District of Columbia

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
Mar 31 — Apr 71
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Cheap flight deals from Heathrow to District of Columbia

Keep the following information in mind while searching for Heathrow to District of Columbia flight deals. Data was last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$565
(Gotogate)

One-way from

$399
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$679

Good round-trip deal

$694 or less

Good one-way deal

$780 or less
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for London (LON)-Washington, D.C. (WAS) flights.
From London Heathrow to District of Columbia
One-way flight from London Heathrow to District of Columbia
Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from London Heathrow to District of Columbia.
Price to beat on a one-way flight from London Heathrow to District of Columbia.

Find flight deals from Heathrow to District of Columbia

Cheapest flights from Heathrow to District of Columbia
Explore the most affordable flight options available from Heathrow to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Gotogate deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:40 amLHR - IAD
1 stop18h 19mScandinavian Airlines
Wed 10/810:05 pmIAD - LHR
1 stop18h 35mScandinavian Airlines
Deal found 3/25$565
This The Travel House deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:25 amLHR - DCA
1 stop28h 50mIcelandair
Tue 4/299:00 amDCA - LHR
1 stop16h 30mIcelandair
Deal found 3/25$566
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:25 amLHR - DCA
1 stop14h 35mJetBlue
Thu 5/156:09 amDCA - LHR
1 stop9h 36mJetBlue
Deal found 3/25$576
This ChecknFly deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:30 amLHR - IAD
1 stop12h 00mLufthansa
Sat 5/2410:23 pmIAD - LHR
2 stops29h 12mLufthansa
Deal found 3/25$589
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/259:25 pmLHR - IAD
1 stop26h 55mIcelandair
Tue 4/298:30 pmIAD - LHR
1 stop10h 25mIcelandair
Deal found 3/25$594
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:40 amLHR - DCA
2 stops30h 39mAir Canada
Wed 6/186:00 amDCA - LHR
3 stops21h 35mAir Canada
Deal found 3/25$622
This ChecknFly deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/249:30 amLHR - DCA
1 stop17h 23mLufthansa
Sat 5/317:30 pmDCA - LHR
2 stops30h 05mLufthansa
Deal found 3/25$627
This The Travel House deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amLHR - IAD
1 stop13h 35mAustrian Airlines
Sat 5/105:50 pmIAD - LHR
2 stops45h 50mAustrian Airlines
Deal found 3/25$634
This Mytrip deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:40 amLHR - IAD
3 stops18h 44mMultiple Airlines
Sun 4/272:00 pmIAD - LHR
2 stops15h 00mMultiple Airlines
Deal found 3/25$664
This TravelUp deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:40 amLHR - IAD
1 stop11h 55mKLM
Sun 5/115:50 pmIAD - LHR
Nonstop7h 30mKLM
Deal found 3/25$669
This Booking.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:30 amLHR - DCA
2 stops15h 38mMultiple Airlines
Wed 4/3012:55 pmDCA - LHR
2 stops12h 35mMultiple Airlines
Deal found 3/25$673
This World Air Fares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:40 amLHR - IAD
1 stop13h 10mBritish Airways
Mon 5/55:40 pmIAD - LHR
Nonstop7h 35mBritish Airways
Deal found 3/26$682

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to District of Columbia 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 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to District of Columbia that are best for you.

Fly from

Heathrow

Fly to

District of Columbia

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 5/14

6:40 am-7:59 pm

1 stop18h 19m

Washington, D.C. Dulles Intl

Wed 10/8

10:05 pm-9:40 pm

1 stop18h 35m

$565

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 4/22

8:25 am-8:15 am

1 stop28h 50m

Washington, D.C. Reagan-National

Tue 4/29

9:00 am-6:30 am

1 stop16h 30m

$566

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 5/7

8:25 am-6:00 pm

1 stop14h 35m

Washington, D.C. Reagan-National

Thu 5/15

6:09 am-8:45 pm

1 stop9h 36m

$576

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 5/3

6:30 am-1:30 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

Sat 5/24

10:23 pm-8:35 am

2 stops29h 12m

$589

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 4/25

9:25 pm-7:20 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Tue 4/29

8:30 pm-11:55 am

1 stop10h 25m

$594

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 6/11

8:40 am-10:19 am

2 stops30h 39m

Washington, D.C. Reagan-National

Wed 6/18

6:00 am-8:35 am

3 stops21h 35m

$622

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 5/24

9:30 am-9:53 pm

1 stop17h 23m

Washington, D.C. Reagan-National

Sat 5/31

7:30 pm-6:35 am

2 stops30h 05m

$627

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 5/5

6:00 am-2:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 5/10

5:50 pm-8:40 pm

2 stops45h 50m

$634

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 4/25

8:40 am-10:24 pm

3 stops18h 44m

Washington, D.C. Dulles Intl

Sun 4/27

2:00 pm-10:00 am

2 stops15h 00m

$664

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 5/2

8:40 am-3:35 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Tue 5/6

5:50 pm-6:20 am

Nonstop7h 30m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 48 results
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Best time to book a flight from Heathrow to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Heathrow with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to District of Columbia

What is the cheapest month to book a flight from London Heathrow Airport to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to District of Columbia (average of $309). Flying from London Heathrow Airport to District of Columbia in June is currently the most expensive (average of $387). 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.

What is the cheapest time of day to fly from LHR to DC?

Find hourly flight availability from Heathrow to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

When flying from London Heathrow Airport to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated March 26, 2025.
See what other customers who have flown with Delta, KLM and LOT from London to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from London Heathrow Airport to District of Columbia one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $435. However, be on the lookout for offers from Aer Lingus and Icelandair, as they are both options that can get you from London Heathrow Airport to District of Columbia for a low price.

  • What are the most reliable airlines from London Heathrow Airport to District of Columbia?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to District of Columbia consider choosing KLM (90%), Air France (90%) or Delta (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to District of Columbia?

    The cheapest flight price from London Heathrow Airport to District of Columbia is $619. On average you can expect to pay $1,588. The most popular route, (London Heathrow - Washington, D.C. Dulles Intl), can usually be booked for $429.

  • Can I find deals for flights from Heathrow to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Heathrow to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to District of Columbia?

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

  • Can I find deals for business class flights from Heathrow to District of Columbia?

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

  • What is the cheapest month to book a flight from London Heathrow Airport to District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from London Heathrow Airport to District of Columbia (average of $309). Flying from London Heathrow Airport to District of Columbia in June is currently the most expensive (average of $387). 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.

See more FAQs

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Alternative routes for Heathrow to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to District of Columbia

Discover the top 10 airlines that operate flights from Heathrow to District of Columbia. 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 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$390Average$784FlexibilityNo cancel feeOn-time77%
PLAYCheapest$392Average$560FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$475Average$953FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$529Average$1,004FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$564Average$804FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$586Average$1,021FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$594Average$894FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$619Average$839FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$660Average$823FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$691Average$941FlexibilityNo cancel feeOn-time76%
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