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Cheap flights from London Heathrow Airport to District of Columbia from £322

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
5 5月 — 12 5月1
1 adult

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 30 4月 2025.

Round-trip from

£476

One-way from

£322

Popular in

July

Cheapest in

February

Average price

£529

Good round-trip deal

£522 or less

Good one-way deal

£609 or less
Lufthansa
  • Lufthansa
  • 10/5-31/5
  • 2 total stops
  • 47h 37m total
  • London to District of Columbia
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9/6
  • 9/6
  • 2 total stops
  • 17h 50m total
  • London to District of Columbia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to District of Columbia.
Search Deals
Price to beat on a one-way flight from London Heathrow to District of Columbia.
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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 30 4月 2025.

月 5/521:25LHR - IAD
1 stop26h 55mIcelandair
月 12/520:30IAD - LHR
1 stop18h 50mIcelandair
Deal found 29/4£474
土 10/515:50LHR - IAD
1 stop21h 05mLufthansa
土 31/522:23IAD - LHR
1 stop26h 32mLufthansa
Deal found 29/4£476
土 18/1010:20LHR - IAD
1 stop14h 39mScandinavian Airlines
金 14/1120:30IAD - LHR
1 stop14h 30mScandinavian Airlines
Deal found 29/4£477
土 1/1108:25LHR - DCA
1 stop30h 16mIcelandair
日 9/1106:59DCA - LHR
1 stop32h 46mIcelandair
Deal found 29/4£477
土 24/509:30LHR - DCA
1 stop29h 49mLufthansa
土 31/507:00DCA - LHR
1 stop17h 55mLufthansa
Deal found 29/4£480
水 8/1011:55LHR - DCA
1 stop11h 49mJetBlue
月 13/1006:30DCA - LHR
1 stop9h 15mJetBlue
Deal found 29/4£481
金 9/513:45LHR - IAD
1 stop31h 30mUnited Airlines
土 10/519:59IAD - LHR
1 stop32h 41mUnited Airlines
Deal found 29/4£485
金 9/508:30LHR - IAD
1 stop34h 40mAustrian Airlines
土 10/517:50IAD - LHR
1 stop36h 20mAustrian Airlines
Deal found 29/4£495
月 2/606:50LHR - IAD
3 stops33h 24mAir Canada
火 10/615:30IAD - LHR
1 stop13h 05mAir Canada
Deal found 28/4£499
火 13/506:00LHR - IAD
1 stop14h 15mMultiple Airlines
金 23/509:45IAD - LHR
1 stop15h 45mMultiple Airlines
Deal found 29/4£506
木 8/509:00LHR - IAD
1 stop12h 20mVirgin Atlantic
水 14/517:50IAD - LHR
Nonstop7h 30mVirgin Atlantic
Deal found 29/4£511
金 9/515:20LHR - DCA
1 stop11h 22mUnited Airlines
土 10/516:16DCA - LHR
1 stop36h 24mUnited Airlines
Deal found 29/4£512

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 30 4月 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

土 10/5

15:50-07:55

1 stop21h 05m

Washington, D.C. Dulles Intl

土 31/5

22:23-05:55

1 stop26h 32m

£476

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

土 18/10

10:20-19:59

1 stop14h 39m

Washington, D.C. Dulles Intl

金 14/11

20:30-16:00

1 stop14h 30m

£477

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

土 24/5

09:30-10:19

1 stop29h 49m

Washington, D.C. Reagan-National

土 31/5

07:00-05:55

1 stop17h 55m

£480

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

水 8/10

11:55-18:44

1 stop11h 49m

Washington, D.C. Reagan-National

月 13/10

06:30-20:45

1 stop9h 15m

£481

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

金 9/5

13:45-16:15

1 stop31h 30m

Washington, D.C. Dulles Intl

土 10/5

19:59-09:40

1 stop32h 41m

£485

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

火 13/5

08:15-22:58

1 stop19h 43m

Washington, D.C. Reagan-National

日 25/5

18:45-06:30

1 stop30h 45m

£487

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

金 9/5

08:30-14:10

1 stop34h 40m

Washington, D.C. Dulles Intl

土 10/5

17:50-11:10

1 stop36h 20m

£495

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

月 2/6

06:50-11:14

3 stops33h 24m

Washington, D.C. Dulles Intl

火 10/6

15:30-09:35

1 stop13h 05m

£499

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

火 13/5

06:00-15:15

1 stop14h 15m

Washington, D.C. Dulles Intl

金 23/5

09:45-06:30

1 stop15h 45m

£506

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

金 9/5

15:20-21:42

1 stop11h 22m

Washington, D.C. Reagan-National

土 10/5

16:16-09:40

1 stop36h 24m

£512

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 38 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 return 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to District of Columbia (average of £599). Flying from London Heathrow Airport to District of Columbia in July is currently the most expensive (average of £947). 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 30 4月 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.

Weekly flight availability from London Heathrow Airport to District of Columbia

Explore weekly flight availability from Heathrow to District of Columbia. 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 30 4月 2025.

The most flights from LHR to USDC are scheduled on a Monday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

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 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 4月 2025.
To help decide which airline to fly from London to District of Columbia, see what other customers have to say about Delta, LOT and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £337. Users have also found prices from £348 and £432 on WestJet and Aer Lingus, respectively.

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

    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 London Heathrow Airport to District of Columbia on time: United Airlines (92%), Air Canada (90%), Austrian Airlines (90%).

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

    On average you can expect to pay £1,223 for a flight from London Heathrow Airport to District of Columbia. The cheapest flight overall is £348 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £420.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to District of Columbia (average of £599). Flying from London Heathrow Airport to District of Columbia in July is currently the most expensive (average of £947). 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.
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London City to LaGuardia flights
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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 858,174 searches. Data last updated 30 4月 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£276Average£498FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
DeltaCheapest£319Average£762FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£364Average£528FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Brussels AirlinesCheapest£382Average£716FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
JetBlueCheapest£382Average£541FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
TAP AIR PORTUGALCheapest£391Average£559FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£439Average£582FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air FranceCheapest£440Average£609FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£449Average£635FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£460Average£666FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to District of Columbia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to District of Columbia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to District of Columbia?

Cheapflights helps you find that perfect flight to District of Columbia from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to District of Columbia with no change fees?

Yes, we can. To see specific flights from Heathrow to District of Columbia 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 Heathrow to District of Columbia become cheaper?

Yes! Start tracking prices for Heathrow to District of Columbia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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