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Cheap flights from London Heathrow Airport to District of Columbia from £412

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
4 Jun — 11 Jun1
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 5 May 2026.

Sun 19/717:05
LHR
-
IAD
Nonstop8h 15m
British Airways
Tue 28/722:25
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 4/5£430
Thu 24/913:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Sat 10/1020:30
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 30/4£432
Fri 21/812:35
LHR
-
IAD
Nonstop8h 20m
British Airways
Sat 12/922:25
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 3/5£434
Tue 6/1013:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Tue 13/1020:30
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 30/4£435
Mon 29/609:40
LHR
-
DCA
1 stop13h 03m
Delta
Tue 14/717:00
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 4/5£435
Tue 8/913:05
LHR
-
IAD
1 stop14h 10m
Icelandair
Sat 12/920:30
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 4/5£436
Thu 18/614:00
LHR
-
IAD
Nonstop8h 30m
British Airways
Mon 22/619:20
IAD
-
LHR
Nonstop7h 25m
British Airways
Deal found 4/5£437
Fri 3/716:20
LHR
-
DCA
1 stop12h 01m
Delta
Mon 13/720:50
DCA
-
LHR
1 stop11h 25m
Delta
Deal found 4/5£437
Thu 2/711:45
LHR
-
IAD
1 stop11h 47m
Delta
Mon 13/710:21
IAD
-
LHR
1 stop15h 04m
Delta
Deal found 4/5£438
Wed 1/709:40
LHR
-
DCA
1 stop11h 28m
Delta
Mon 13/717:00
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 4/5£438
Mon 1/621:25
LHR
-
IAD
1 stop26h 55m
Icelandair
Wed 30/923:20
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 2/5£440
Tue 6/1013:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Tue 20/1020:30
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 1/5£440

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 5 May 2026.

Round-trip from

£430

One-way from

£412

Popular in

July

Cheapest in

February

Average price

£529

Good round-trip deal

£534 or less

Good one-way deal

£613 or less
British Airways
  • British Airways
  • 19/7-28/7
  • Nonstop
  • 15h 40m total
  • London to District of Columbia
Search Deals
7/6
  • 7/6
  • 2 total stops
  • 27h 10m total
  • London to District of Columbia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 5 May 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 - DCA

LHRDCA

London Heathrow

Wed 15/7

11:45-22:59

2 stops16h 14m

Washington, D.C. Reagan-National

Wed 12/8

11:00-06:45

1 stop14h 45m

£530

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 11/6

09:55-15:35

1 stop10h 40m

Washington, D.C. Dulles Intl

Mon 15/6

22:55-11:20

Nonstop7h 25m

£531

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 10/6

09:55-15:35

1 stop10h 40m

Washington, D.C. Dulles Intl

Mon 20/7

22:55-11:20

Nonstop7h 25m

£534

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 29/10

13:00-20:54

1 stop11h 54m

Washington, D.C. Dulles Intl

Thu 5/11

13:05-05:55

1 stop11h 50m

£536

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 29/10

13:00-21:00

1 stop12h 00m

Washington, D.C. Reagan-National

Thu 5/11

06:00-21:20

1 stop10h 20m

£536

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 14/7

11:45-22:59

2 stops16h 14m

Washington, D.C. Reagan-National

Wed 12/8

11:00-06:20

1 stop14h 20m

£542

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 18/6

16:05-23:43

1 stop12h 38m

Washington, D.C. Reagan-National

Tue 23/6

06:06-20:10

1 stop9h 04m

£545

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 3/8

17:05-20:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Mon 10/8

17:45-06:20

Nonstop7h 35m

£552

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/6

11:15-19:45

1 stop13h 30m

Washington, D.C. Reagan-National

Wed 10/6

15:15-06:45

1 stop10h 30m

£555

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 13/6

06:15-16:05

1 stop14h 50m

Washington, D.C. Dulles Intl

Wed 9/9

12:30-06:20

1 stop12h 50m

£555

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 46 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

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

Booking 68 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.

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 £261). Flying from London Heathrow Airport to District of Columbia in April is currently the most expensive (average of £923). 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 5 May 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 5 May 2026.

The most flights from LHR to USDC are scheduled on a Friday (30 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 on average).

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

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 5 May 2026.
Read reviews from past customers who have flown with United Airlines,Virgin Atlantic, 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.
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,683 reviews
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,541 reviews
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,972 reviews
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,945 reviews
United Airlines
7.4
Good
9,683 reviews
Check prices

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 10h 40m. 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 £322. Users have also found prices from £344 and £367 on TAP AIR PORTUGAL and Icelandair, 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 (86%), Austrian Airlines (86%), Copa Airlines (86%).

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

    On average you can expect to pay £936 for a flight from London Heathrow Airport to District of Columbia. The cheapest flight overall is £463 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £430.

  • 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 £261). Flying from London Heathrow Airport to District of Columbia in April is currently the most expensive (average of £923). 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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Stansted to Boston flights
Heathrow to Denver flights
Luton to Miami flights
Heathrow to Tampa flights
Stansted to San Francisco flights
Gatwick to O'Hare Intl flights
London City to San Francisco flights
Gatwick to Seattle flights
Gatwick to Las Vegas flights
Gatwick to Dulles Intl flights
Stansted to O'Hare Intl flights
Stansted to LaGuardia flights

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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£292Average£570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest£327Average£531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£328Average£401FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£329Average£437FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£360Average£698FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£373Average£550FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£395Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£399Average£572FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£404Average£522FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£407Average£563FlexibilityNo cancel feeOn-time70%
Search British Airways 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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