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Cheap flights from London Heathrow Airport to Washington, D.C. from £259

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — WAS
4 Nov — 11 Nov1
1 adult

The best prices from London Heathrow to Washington, D.C. are usually found in February or January, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Heathrow to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 October 2024.

Round-trip from

£368

One-way from

£259

Popular in

August

Cheapest in

February
26/11-3/12
  • 26/11-3/12
  • 4 total stops
  • 34h 50m total
  • London to Washington, D.C.
25/4
  • 25/4
  • 1 total stop
  • 15h 00m total
  • London to Washington, D.C.
High demand for flights, 20% potential price rise
Best time to find cheap flights, 21% potential price drop

Find flight deals from Heathrow to Washington, D.C.

Cheapest flights from Heathrow to Washington, D.C.
Explore the most affordable flight options available from Heathrow to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2024.

Mon 25/1107:35LHR - BWI
1 stop14h 25mMultiple Airlines
Wed 4/1218:10BWI - LHR
1 stop15h 45mMultiple Airlines
Deal found 28/10£374
Tue 24/1208:25LHR - DCA
1 stop31h 34mIcelandair
Wed 15/113:00DCA - LHR
1 stop11h 55mIcelandair
Deal found 28/10£424
Thu 5/1208:25LHR - DCA
1 stop14h 34mJetBlue
Sun 19/111:50DCA - LHR
1 stop13h 05mJetBlue
Deal found 28/10£434
Thu 5/1216:30LHR - IAD
1 stop33h 30mTAP AIR PORTUGAL
Sun 8/1222:30IAD - LHR
1 stop14h 00mTAP AIR PORTUGAL
Deal found 29/10£437
Tue 26/1106:20LHR - IAD
2 stops15h 40mMultiple Airlines
Tue 3/1218:10IAD - LHR
3 stops17h 50mMultiple Airlines
Deal found 29/10£450
Wed 4/1218:40LHR - IAD
1 stop26h 00mScandinavian Airlines
Wed 15/117:10IAD - LHR
2 stops18h 15mScandinavian Airlines
Deal found 29/10£487
Tue 26/1112:15LHR - BWI
1 stop11h 15mIcelandair
Mon 2/1219:30BWI - LHR
1 stop10h 20mIcelandair
Deal found 28/10£495
Mon 18/1120:40LHR - IAD
1 stop26h 45mIcelandair
Mon 25/1119:40IAD - LHR
1 stop10h 10mIcelandair
Deal found 28/10£498
Wed 27/1115:25LHR - BWI
Nonstop8h 20mFinnair
Wed 4/1220:30BWI - LHR
Nonstop7h 10mFinnair
Deal found 28/10£514
Sat 2/1118:00LHR - IAD
1 stop20h 46mLufthansa
Sat 16/1118:30IAD - LHR
Nonstop7h 10mLufthansa
Deal found 29/10£515
Wed 6/1110:35LHR - DCA
1 stop11h 56mFinnair
Wed 20/1115:42DCA - LHR
1 stop12h 58mFinnair
Deal found 28/10£516
Thu 31/1010:00LHR - DCA
1 stop11h 23mLufthansa
Sat 9/1118:50DCA - LHR
1 stop30h 40mLufthansa
Deal found 28/10£519

Find flights from Heathrow to Washington, D.C. within your budget

Customise your flight search to find flights from Heathrow to Washington, D.C. 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 1,015,184 searches. Data last updated 30 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£368 - £594

Route

Depart

Return

Price

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 26/11

2 stops15h 40m

Washington, D.C. Dulles Intl

Tue 3/12

2 stops19h 10m

£368

London HeathrowWashington, D.C. Reagan-National

LHR - DCA

LHRDCA

London Heathrow

Tue 14/1

1 stop12h 35m

Washington, D.C. Reagan-National

Tue 28/1

1 stop15h 15m

£368

London HeathrowBaltimore/Washington

LHR - BWI

LHRBWI

London Heathrow

Tue 7/1

1 stop11h 15m

Baltimore/Washington

Fri 24/1

1 stop10h 20m

£373

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sun 8/12

1 stop22h 05m

Washington, D.C. Dulles Intl

Thu 30/1

1 stop23h 05m

£407

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sat 23/11

1 stop27h 40m

Washington, D.C. Dulles Intl

Fri 10/1

1 stop17h 50m

£487

London HeathrowBaltimore/Washington

LHR - BWI

LHRBWI

London Heathrow

Wed 27/11

Nonstop8h 20m

Baltimore/Washington

Wed 4/12

Nonstop7h 10m

£514

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sun 10/11

1 stop10h 50m

Washington, D.C. Dulles Intl

Mon 18/11

1 stop9h 40m

£517

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sat 23/11

2 stops33h 56m

Washington, D.C. Dulles Intl

Sun 1/12

Nonstop7h 35m

£519

London HeathrowBaltimore/Washington

LHR - BWI

LHRBWI

London Heathrow

Mon 25/11

Nonstop8h 20m

Baltimore/Washington

Mon 2/12

Nonstop7h 10m

£531

London HeathrowBaltimore/Washington

LHR - BWI

LHRBWI

London Heathrow

Mon 25/11

Nonstop8h 20m

Baltimore/Washington

Thu 9/1

Nonstop7h 10m

£532

London HeathrowBaltimore/Washington

LHR - BWI

LHRBWI

London Heathrow

Mon 25/11

Nonstop8h 20m

Baltimore/Washington

Mon 2/12

1 stop10h 47m

£536

London HeathrowWashington, D.C. Reagan-National

LHR - DCA

LHRDCA

London Heathrow

Tue 26/11

2 stops15h 27m

Washington, D.C. Reagan-National

Tue 3/12

2 stops13h 15m

£594

Flights are sorted by cheapest first

Deals found on 29/10

Best time to book a flight from Heathrow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Heathrow to Washington, D.C.

Get recent, data-driven insights about flights from Heathrow to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Heathrow to Washington, D.C.. Price data was last updated on 25 October 2024.

The best time to book flights from London Heathrow Airport to Washington, D.C. is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of £564). Flying from London Heathrow Airport to Washington, D.C. in July is currently the most expensive (average of £916). 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 WAS?

Find hourly flight availability from Heathrow to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2024.

When flying from London Heathrow Airport to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

What is the cheapest day to fly from London Heathrow Airport to Washington, D.C.?

Use this chart to determine the cheapest time to fly return from Heathrow to Washington, D.C.. Price data was last updated on 27 October 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Washington, D.C. flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. 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 Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 30 October 2024.
See what other customers who have flown with Icelandair, Scandinavian Airlines and Air France from London to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.7
Good
1,318 reviews
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.6
Good
667 reviews
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.6
Good
1,201 reviews
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.5
Good
3,520 reviews
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

7.4
Good
1,534 reviews
7.7
Good
1,318 reviews

Boarding

7.7

Overall

7.7

Comfort

7.5

Crew

8.2

Food

6.8

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Washington, D.C.. 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 flying from London Heathrow Airport to Washington, D.C. round-trip?

    According to our current data, JetBlue (£368), Icelandair (£373), and TAP AIR PORTUGAL (£407) offers the cheapest pricing from London Heathrow Airport to Washington, D.C.. JetBlue is currently priced 37% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to Washington, D.C. one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £379. However, be on the lookout for offers from Aer Lingus and TAP AIR PORTUGAL, as they are both options that can get you from London Heathrow Airport to Washington, D.C. for a low price.

  • What are the most popular routes from London Heathrow Airport to Washington, D.C.?

  • What are the most reliable airlines from London Heathrow Airport to Washington, D.C.?

    Consider American Airlines (42%), Aer Lingus (42%) or Finnair (42%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Washington, D.C..

  • What are the cheapest flights from London Heathrow Airport to Washington, D.C.?

    Looking for the cheapest flight from London Heathrow Airport to Washington, D.C.? While on average our users pay £750, our data indicates the cheapest price to be £507. The most popular route (London Heathrow - Washington, D.C. Dulles Intl), is priced around £357.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Washington, D.C.?

  • What are some popular things to do or see while on a stopover in Reykjavik?

    Harpa, National Cathedral, and Hallgrímskirkja are currently the most popular points of interest in Reykjavik at the moment. Those on a stopover in Reykjavik interested in visiting Harpa, National Cathedral, or Hallgrímskirkja can do so by traveling 23.3 mi, 23.0 mi, and 23.2 mi, respectively from Reykjavik Keflavik Intl. Those looking to explore during their stopover in Reykjavik can hire a car from Reykjavik Keflavik Intl for about £39 per day.

  • Where are the least popular stopover locations for London Heathrow Airport to Washington, D.C. flights?

  • Can I find deals for flights from Heathrow to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Heathrow to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Washington, D.C..

  • Can I find deals for business class flights from Heathrow to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Heathrow to Washington, D.C. 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 Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Washington, D.C. (average of £564). Flying from London Heathrow Airport to Washington, D.C. in July is currently the most expensive (average of £916). 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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Fly from Heathrow to Washington, D.C. on these airlines

Choose from the following airlines for your flight from Heathrow to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2024.

Top 10 airlines flying from Heathrow to Washington, D.C.

Discover the top 10 airlines that operate flights from Heathrow to Washington, D.C.. 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 1,015,184 searches. Data last updated 30 October 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£242Average£463FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
DeltaCheapest£330Average£647FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£347Average£500FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Virgin AtlanticCheapest£372Average£617FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£375Average£564FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£376Average£643FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£377Average£724FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Brussels AirlinesCheapest£394Average£739FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£406Average£550FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£407Average£599FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Washington, D.C.?

Cheapflights makes it easy to find Heathrow to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Heathrow.

Can Cheapflights find flights from Heathrow to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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