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£242+ Cheap flights to Washington, D.C.

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
4 May — 11 May1
1 adult

Flights to Washington, D.C. in 2025

Find the latest flights to Washington, D.C. in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 29 April 2025.

Return from

£423

One-way from

£242

Popular in

July

Cheapest in

February

Average price

£531

Good round-trip deal

£524 or less

Good one-way deal

£586 or less
PLAY
  • PLAY
  • 29/5-26/8
  • 2 total stops
  • 21h 50m total
  • London to Washington, D.C.
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5/5
  • 5/5
  • 1 total stop
  • 27h 20m total
  • London to Washington, D.C.
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Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
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Average for return flights in April 2025
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Price to beat on a round-trip flight from London to Washington, D.C..
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Price to beat on a one-way flight from London to Washington, D.C..
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Find flight deals to Washington, D.C.

Cheapest flights to Washington, D.C.
Explore the most affordable flight options available to Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.

Tue 28/1010:55STN - BWI
1 stop11h 00mPLAY
Tue 18/1118:05BWI - STN
1 stop10h 50mPLAY
Deal found 28/4£406
Sun 4/512:10LGW - BWI
2 stops34h 30mMultiple Airlines
Tue 13/518:50BWI - LGW
2 stops15h 20mMultiple Airlines
Deal found 28/4£413
Mon 5/506:25STN - BWI
2 stops16h 15mMultiple Airlines
Tue 13/518:50BWI - STN
2 stops23h 05mMultiple Airlines
Deal found 28/4£415
Tue 29/415:40LGW - BWI
1 stop32h 45mIcelandair
Mon 5/520:30BWI - LGW
1 stop13h 05mIcelandair
Deal found 28/4£426
Tue 29/421:25LHR - BWI
1 stop27h 00mIcelandair
Mon 5/520:30BWI - LHR
1 stop18h 50mIcelandair
Deal found 28/4£428
Sat 14/610:00LGW - IAD
1 stop13h 30mMultiple Airlines
Sun 17/822:20IAD - LGW
1 stop11h 50mMultiple Airlines
Deal found 28/4£470
Fri 9/513:05LHR - IAD
1 stop11h 15mIcelandair
Mon 12/520:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 28/4£472
Thu 6/1108:25LHR - DCA
1 stop12h 35mJetBlue
Mon 10/1115:10DCA - LHR
1 stop9h 45mJetBlue
Deal found 28/4£472
Fri 5/906:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Thu 25/922:05IAD - LHR
1 stop12h 55mScandinavian Airlines
Deal found 28/4£473
Mon 5/509:00LTN - IAD
2 stops15h 20mMultiple Airlines
Sun 11/520:30IAD - LTN
2 stops14h 10mMultiple Airlines
Deal found 28/4£473
Thu 22/507:30LHR - IAD
1 stop12h 45mLufthansa
Sat 31/522:11IAD - LHR
1 stop30h 24mLufthansa
Deal found 28/4£475
Fri 5/912:10LGW - DCA
1 stop13h 41mJetBlue
Sat 27/918:55DCA - LGW
1 stop9h 40mJetBlue
Deal found 28/4£477

Cheapflights Fare Finder

Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 29 April 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Thu 29/5

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Tue 26/8

18:50-10:40

1 stop10h 50m

£423

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Fri 9/5

13:05-19:25

1 stop11h 20m

Baltimore/Washington

Sun 11/5

20:30-11:55

1 stop10h 25m

£434

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Mon 12/5

11:00-19:25

2 stops13h 25m

Baltimore/Washington

Mon 19/5

20:30-22:10

2 stops20h 40m

£436

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Mon 12/5

08:40-19:25

2 stops15h 45m

Baltimore/Washington

Mon 19/5

20:30-18:35

2 stops17h 05m

£441

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 14/6

10:00-18:30

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 17/8

22:20-15:10

1 stop11h 50m

£470

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 9/5

13:05-19:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 12/5

20:30-11:55

1 stop10h 25m

£472

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 5/9

06:40-19:59

1 stop18h 19m

Washington, D.C. Dulles Intl

Thu 25/9

22:05-16:00

1 stop12h 55m

£473

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 22/5

07:30-15:15

1 stop12h 45m

Washington, D.C. Dulles Intl

Sat 31/5

22:11-09:35

1 stop30h 24m

£475

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 5/9

12:10-20:51

1 stop13h 41m

Washington, D.C. Reagan-National

Sat 27/9

18:55-09:35

1 stop9h 40m

£477

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 5/9

08:25-16:13

1 stop12h 48m

Washington, D.C. Reagan-National

Thu 2/10

06:30-20:45

1 stop9h 15m

£479

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 results
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Best time to book a flight to Washington, D.C.

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

When is the best time to book a flight to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from London to Washington, D.C.. Price data was last updated on 25 April 2025.

The best time to book flights to Washington, D.C. is 70 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.

How long is the flight to Washington, D.C.?

On average, a flight from London to Washington, D.C. takes 11 hours 53 minutes. Flights to Washington, D.C. from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Washington, D.C.?

Use this chart to determine the cheapest time to fly return from London to Washington, D.C.. Price data was last updated on 23 June 2024.

Users looking for the lowest fares to Washington, D.C. should consider flying on Tuesday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at midday, when prices are usually at their highest.

Weekly flight availability to Washington, D.C.

The most flights from London to Washington, D.C. are scheduled on a Monday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

What are the most popular airlines that fly to Washington, D.C.?

The most popular airlines flying from London to Washington, D.C. are British Airways, Virgin Atlantic and Lufthansa.

British Airways

British Airways

From £493

Virgin Atlantic

Virgin Atlantic

From £643

Lufthansa

Lufthansa

From £627

Icelandair

Icelandair

From £488

What are the cheapest airlines that fly to Washington, D.C.?

The cheapest airlines flying from London to Washington, D.C. are PLAY, Delta and TAP AIR PORTUGAL.

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 29 April 2025.
See what other customers who have flown with Delta, KLM and Air Transat to Washington, D.C. have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,929 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
7,929 reviews
Check prices

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

FAQs about flying to Washington, D.C.

  • Can I find cheaper flights to Washington, D.C. if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Washington, D.C. on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Washington, D.C.?

    Based on reviews from Cheapflights users, PLAY is rated the highest out of the airlines that fly to Washington, D.C..

  • What is the cheapest airport to fly to in Washington, D.C.?

    Washington, D.C. Reagan-National is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Washington, D.C. Reagan-National typically cost £30, while return flights cost around £47.

  • How much is a return flight to Washington, D.C.?

    A return flight to Washington, D.C. will typically cost around £774, however they can be found for as little as £234.

  • Where does the fastest flight to Washington, D.C. depart from?

    For those looking to save time traveling to Washington, D.C., London offers the quickest one-way flight (8 hours 0 minutes).

  • Does Washington, D.C. Dulles Intl have car hire?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 mi away from Washington, D.C. Dulles Intl).

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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