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Cheap flights from London Heathrow Airport to District of Columbia from £326

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
10 Aug — 17 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to District of Columbia

Enter your travel dates to find the best prices.

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 11 July 2026.

Thu 3/906:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Wed 23/922:35
IAD
-
LHR
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 10/7£439
Fri 4/912:00
LHR
-
IAD
1 stop13h 35m
TAP AIR PORTUGAL
Wed 23/922:35
IAD
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 10/7£440
Thu 3/911:20
LHR
-
IAD
1 stop14h 15m
TAP AIR PORTUGAL
Thu 17/922:35
IAD
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 6/7£441
Fri 4/912:00
LHR
-
IAD
1 stop13h 35m
TAP AIR PORTUGAL
Mon 7/922:35
IAD
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 9/7£442
Tue 6/1011:20
LHR
-
IAD
1 stop14h 15m
TAP AIR PORTUGAL
Tue 13/1022:35
IAD
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Deal found 7/7£443
Mon 27/716:40
LHR
-
IAD
Nonstop8h 20m
United Airlines
Sun 2/812:35
IAD
-
LHR
1 stop12h 20m
United Airlines
Deal found 10/7£443
Sat 19/1219:55
LHR
-
IAD
1 stop29h 40m
TAP AIR PORTUGAL
Wed 30/1222:30
IAD
-
LHR
1 stop18h 05m
TAP AIR PORTUGAL
Deal found 6/7£444
Wed 16/906:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Sun 20/917:40
IAD
-
LHR
1 stop14h 05m
TAP AIR PORTUGAL
Deal found 9/7£445
Sat 25/708:00
LHR
-
IAD
1 stop16h 02m
United Airlines
Sat 1/806:33
IAD
-
LHR
1 stop9h 52m
United Airlines
Deal found 10/7£447
Sun 4/1019:50
LHR
-
IAD
1 stop24h 20m
TAP AIR PORTUGAL
Sun 11/1017:40
IAD
-
LHR
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 6/7£448
Thu 10/916:35
LHR
-
IAD
1 stop26h 50m
TAP AIR PORTUGAL
Sun 13/922:35
IAD
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Deal found 7/7£449
Mon 31/819:50
LHR
-
IAD
1 stop24h 20m
TAP AIR PORTUGAL
Mon 14/917:40
IAD
-
LHR
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 9/7£449

Find 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 11 July 2026.

Round-trip from

£439

One-way from

£326

Popular in

June

Cheapest in

February

Average price

£563

Good round-trip deal

£474 or less

Good one-way deal

£453 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 3/9-23/9
  • 2 total stops
  • 26h 10m total
  • London to District of Columbia
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 27h 00m total
  • London to District of Columbia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
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.
Search Deals

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 11 July 2026.
Use the filters below to find and compare flights from London Heathrow Airport to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 27/9

08:45-16:45

1 stop13h 00m

Washington, D.C. Dulles Intl

Wed 14/10

22:05-10:40

Nonstop7h 35m

£496

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 29/9

08:45-16:45

1 stop13h 00m

Washington, D.C. Dulles Intl

Tue 13/10

22:05-10:40

Nonstop7h 35m

£496

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 26/8

09:30-16:05

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 11/9

22:05-10:40

Nonstop7h 35m

£501

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 1/9

20:05-16:45

1 stop25h 40m

Washington, D.C. Dulles Intl

Wed 9/9

20:20-17:50

1 stop16h 30m

£512

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 31/8

06:00-14:35

1 stop13h 35m

Washington, D.C. Dulles Intl

Mon 14/9

18:35-06:55

Nonstop7h 20m

£513

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 3/11

09:30-15:55

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 10/11

18:20-06:40

Nonstop7h 20m

£514

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 27/8

16:40-20:00

Nonstop8h 20m

Washington, D.C. Dulles Intl

Thu 3/9

18:30-06:55

Nonstop7h 25m

£524

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 13/12

16:30-23:59

1 stop12h 29m

Washington, D.C. Reagan-National

Thu 7/1

15:30-06:15

1 stop9h 45m

£525

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 3/11

10:05-16:51

1 stop11h 46m

Washington, D.C. Reagan-National

Mon 9/11

16:50-07:50

1 stop10h 00m

£528

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 6/9

06:40-17:00

2 stops15h 20m

Washington, D.C. Dulles Intl

Thu 17/9

20:20-17:40

1 stop16h 20m

£533

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 44 resultsSorted by cheapest first
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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 £277). Flying from London Heathrow Airport to District of Columbia in April is currently the most expensive (average of £1,148). 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 11 July 2026.

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 11 July 2026.

The most flights from LHR to USDC are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

How much does it cost for a return flight from London Heathrow Airport to District of Columbia?

How far ahead should I book a flight from London Heathrow Airport to District of Columbia?

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to District of Columbia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 11 July 2026.
Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andAer Lingus from London Heathrow Airport to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
693 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,983 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,658 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,131 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,107 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.9

Boarding

7.7

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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.

  • How long is the flight from London Heathrow Airport to District of Columbia?

    Departing from London Heathrow Airport to District of Columbia will take you 13h. The distance between London Heathrow Airport and District of Columbia is about 3664 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to District of Columbia one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £325. Users have also found prices from £345 and £353 on British Airways 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: Air Canada (88%), Austrian Airlines (88%), Copa Airlines (88%).

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

    On average you can expect to pay £1,522 for a flight from London Heathrow Airport to District of Columbia. The cheapest flight overall is £373 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £391.

  • 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 £277). Flying from London Heathrow Airport to District of Columbia in April is currently the most expensive (average of £1,148). 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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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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£324Average£421FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£333Average£522FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
TAP AIR PORTUGALCheapest£349Average£398FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Aer LingusCheapest£364Average£607FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£377Average£558FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£404Average£552FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£406Average£537FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£407Average£566FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£409Average£521FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
JetBlueCheapest£414Average£573FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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