Cheap flights from London Heathrow Airport to District of Columbia from £409

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
12 Jun — 19 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 13 May 2026.

Mon 29/608:40
LHR
-
DCA
1 stop14h 06m
JetBlue
Mon 3/806:21
DCA
-
LHR
1 stop9h 24m
JetBlue
Deal found 9/5£444
Wed 1/715:15
LHR
-
DCA
1 stop13h 29m
Delta
Mon 3/817:00
DCA
-
LHR
1 stop12h 20m
Delta
Deal found 9/5£449
Thu 8/1021:25
LHR
-
IAD
1 stop26h 55m
Icelandair
Sun 11/1023:20
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 11/5£450
Wed 16/913:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Wed 30/923:20
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 9/5£452
Tue 10/1106:00
LHR
-
IAD
1 stop13h 45m
TAP AIR PORTUGAL
Tue 24/1117:25
IAD
-
LHR
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 12/5£454
Thu 24/913:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Sat 10/1020:30
IAD
-
LHR
1 stop10h 25m
Icelandair
Deal found 11/5£455
Thu 17/913:05
LHR
-
IAD
1 stop11h 15m
Icelandair
Wed 30/923:20
IAD
-
LHR
1 stop16h 00m
Icelandair
Deal found 10/5£455
Mon 29/614:05
LHR
-
DCA
1 stop12h 43m
Air Canada
Thu 6/812:40
DCA
-
LHR
1 stop12h 50m
Air Canada
Deal found 9/5£455
Tue 30/609:30
LHR
-
IAD
1 stop12h 02m
United Airlines
Thu 6/822:15
IAD
-
LHR
Nonstop7h 25m
United Airlines
Deal found 9/5£456
Tue 30/607:45
LHR
-
DCA
1 stop14h 12m
United Airlines
Tue 4/815:10
DCA
-
LHR
1 stop12h 10m
United Airlines
Deal found 9/5£456
Tue 1/1212:15
LHR
-
IAD
1 stop11h 15m
Icelandair
Sun 13/1219:40
IAD
-
LHR
1 stop10h 10m
Icelandair
Deal found 9/5£457
Wed 7/1013:05
LHR
-
IAD
1 stop14h 10m
Icelandair
Mon 12/1020:30
IAD
-
LHR
1 stop18h 50m
Icelandair
Deal found 12/5£458

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 13 May 2026.

Round-trip from

£444

One-way from

£409

Popular in

July

Cheapest in

February

Average price

£511

Good round-trip deal

£540 or less

Good one-way deal

£628 or less
JetBlue
  • JetBlue
  • 29/6-3/8
  • 2 total stops
  • 23h 30m total
  • London to District of Columbia
2/11
  • 2/11
  • 2 total stops
  • 27h 40m total
  • London to District of Columbia
Highest demand for flights based on searches. 9% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in May 2026
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.

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 13 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 - IAD

LHRIAD

London Heathrow

Thu 29/10

09:50-20:30

1 stop14h 40m

Washington, D.C. Dulles Intl

Thu 5/11

18:20-06:30

Nonstop7h 10m

£523
Fastest return journey

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sun 30/8

17:55-20:55

Nonstop8h 00m

Washington, D.C. Dulles Intl

Fri 11/9

22:55-11:20

Nonstop7h 25m

£539

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 15/9

09:30-15:40

1 stop11h 10m

Washington, D.C. Reagan-National

Fri 25/9

06:00-20:40

1 stop9h 40m

£540

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 1/9

09:30-15:38

1 stop11h 08m

Washington, D.C. Reagan-National

Fri 11/9

06:00-21:25

1 stop10h 25m

£541

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 14/8

13:25-23:48

1 stop15h 23m

Washington, D.C. Reagan-National

Tue 25/8

12:55-06:45

1 stop12h 50m

£553

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 5/8

06:55-15:05

1 stop13h 10m

Washington, D.C. Dulles Intl

Fri 11/9

18:35-06:55

Nonstop7h 20m

£553

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 24/6

08:40-21:54

1 stop18h 14m

Washington, D.C. Reagan-National

Sat 11/7

06:20-20:45

1 stop9h 25m

£560

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 9/6

09:55-15:35

1 stop10h 40m

Washington, D.C. Dulles Intl

Tue 16/6

17:51-11:20

1 stop12h 29m

£565

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 25/6

09:55-15:35

1 stop10h 40m

Washington, D.C. Dulles Intl

Tue 7/7

22:55-11:20

Nonstop7h 25m

£577

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/6

08:40-15:43

1 stop12h 03m

Washington, D.C. Reagan-National

Tue 9/6

15:59-06:30

1 stop9h 31m

£581

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 47 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 £924). 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 13 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 13 May 2026.

The most flights from LHR to USDC are scheduled on a Monday (28 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (26 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 13 May 2026.
Read reviews from past customers who have flown with Austrian Airlines,United Airlines, andVirgin Atlantic 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.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Overall

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 8h. 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 £950 for a flight from London Heathrow Airport to District of Columbia. The cheapest flight overall is £476 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £426.

  • 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 £924). 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 858,174 searches. Data last updated 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£292Average£570FlexibilityNo cancel feeOn-timeN/A
Search Delta 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£697FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£373Average£550FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£395Average£568FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£399Average£574FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£402Average£549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£405Average£521FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£407Average£564FlexibilityNo 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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