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Cheap flights from London Heathrow Airport to District of Columbia from £390

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAD
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£476

One-way from

£390

Popular in

July

Cheapest in

February

Average price

£657

Good round-trip deal

£538 or less

Good one-way deal

£589 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 17/11-29/11
  • 4 total stops
  • 30h 30m total
  • London to District of Columbia
12/10
  • 12/10
  • 3 total stops
  • 40h 00m total
  • London to District of Columbia
Highest demand for flights based on searches. 14% potential increase in price (£66 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 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 11 July 2025.

Mon 17/1106:40LHR - IAD
2 stops15h 35mScandinavian Airlines
Sat 29/1120:30IAD - LHR
2 stops14h 55mScandinavian Airlines
Deal found 11/7£476
Sat 6/1213:30LHR - DCA
1 stop11h 41mAmerican Airlines
Fri 19/1218:29DCA - LHR
1 stop9h 51mAmerican Airlines
Deal found 11/7£477
Thu 7/808:25LHR - DCA
1 stop11h 43mJetBlue
Thu 14/806:30DCA - LHR
1 stop9h 15mJetBlue
Deal found 10/7£478
Thu 4/908:40LHR - IAD
1 stop11h 55mKLM
Wed 10/917:25IAD - LHR
1 stop12h 20mKLM
Deal found 9/7£479
Fri 29/811:55LHR - DCA
2 stops30h 03mIcelandair
Sun 31/806:30DCA - LHR
1 stop22h 00mIcelandair
Deal found 9/7£479
Sat 13/1219:55LHR - IAD
1 stop30h 05mTAP AIR PORTUGAL
Sat 27/1217:30IAD - LHR
1 stop14h 10mTAP AIR PORTUGAL
Deal found 10/7£481
Mon 17/1107:50LHR - IAD
1 stop12h 45mAer Lingus
Wed 19/1121:00IAD - LHR
1 stop9h 25mAer Lingus
Deal found 9/7£482
Fri 12/908:40LHR - IAD
2 stops34h 45mSWISS
Fri 19/917:25IAD - LHR
2 stops23h 20mSWISS
Deal found 9/7£483
Thu 6/1118:00LHR - DCA
1 stop19h 55mAir Canada
Tue 11/1118:50DCA - LHR
1 stop11h 30mAir Canada
Deal found 10/7£485
Sat 6/1213:25LHR - IAD
1 stop12h 34mAir Canada
Fri 19/1209:00IAD - LHR
1 stop16h 30mAir Canada
Deal found 10/7£488
Thu 21/808:30LHR - IAD
1 stop12h 20mLufthansa
Mon 25/822:20IAD - LHR
Nonstop7h 20mLufthansa
Deal found 9/7£490
Sat 6/917:00LHR - IAD
2 stops23h 34mFinnair
Mon 15/919:21IAD - LHR
2 stops29h 59mFinnair
Deal found 11/7£491

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 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

Mon 17/11

06:40-17:15

2 stops15h 35m

Washington, D.C. Dulles Intl

Sat 29/11

20:30-16:25

2 stops14h 55m

£476

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 6/12

13:30-20:11

1 stop11h 41m

Washington, D.C. Reagan-National

Fri 19/12

18:29-09:20

1 stop9h 51m

£477

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 7/8

08:25-15:08

1 stop11h 43m

Washington, D.C. Reagan-National

Thu 14/8

06:30-20:45

1 stop9h 15m

£478

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 4/9

08:40-15:35

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 10/9

17:25-10:45

1 stop12h 20m

£479

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 29/8

11:55-12:58

2 stops30h 03m

Washington, D.C. Reagan-National

Sun 31/8

06:30-09:30

1 stop22h 00m

£479

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 13/12

19:55-21:00

1 stop30h 05m

Washington, D.C. Dulles Intl

Sat 27/12

17:30-12:40

1 stop14h 10m

£481

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 17/11

07:50-15:35

1 stop12h 45m

Washington, D.C. Dulles Intl

Wed 19/11

21:00-11:25

1 stop9h 25m

£482

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 12/9

08:40-14:25

2 stops34h 45m

Washington, D.C. Dulles Intl

Fri 19/9

17:25-21:45

2 stops23h 20m

£483

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 6/11

18:00-08:55

1 stop19h 55m

Washington, D.C. Reagan-National

Tue 11/11

18:50-11:20

1 stop11h 30m

£485

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 6/12

13:25-20:59

1 stop12h 34m

Washington, D.C. Dulles Intl

Fri 19/12

09:00-06:30

1 stop16h 30m

£488

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 31 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 11 July 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 11 July 2025.

The most flights from LHR to USDC are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

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 2025.
Read reviews from past customers who have flown with KLM, Finnair, andAir France 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.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was 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.
  • 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 £391. Users have also found prices from £396 and £411 on TAP AIR PORTUGAL 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 (76%), Austrian Airlines (76%), Copa Airlines (76%).

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

    On average you can expect to pay £1,778 for a flight from London Heathrow Airport to District of Columbia. The cheapest flight overall is £431 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £338.

  • 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.

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 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£186Average£531FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
PLAYCheapest£271Average£414FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air FranceCheapest£290Average£600FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£359Average£520FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£365Average£547FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
JetBlueCheapest£370Average£624FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Scandinavian AirlinesCheapest£433Average£569FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£433Average£624FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£442Average£627FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£446Average£688FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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