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£310+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Washington, D.C. in 2026

Enter your travel dates to find the best prices.

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 11 August 2026.

Thu 3/909:50 -
1 stop10h 55m
Wed 9/917:15 -
1 stop9h 50m
Deal found 6/8£430
Sun 13/1211:55 -
1 stop11h 35m
Thu 7/119:40 -
1 stop10h 15m
Deal found 7/8£430
Fri 4/909:30 -
1 stop11h 08m
Thu 10/912:55 -
1 stop12h 35m
Deal found 7/8£430
Mon 7/909:15 -
1 stop12h 30m
Mon 7/920:20 -
1 stop11h 15m
Deal found 6/8£430
Tue 25/809:30 -
1 stop11h 35m
Mon 31/812:35 -
1 stop13h 40m
Deal found 11/8£431
Tue 1/913:00 -
1 stop14h 15m
Mon 14/920:30 -
1 stop13h 10m
Deal found 7/8£431
Wed 16/1218:00 -
2 stops32h 59m
Tue 5/109:40 -
2 stops30h 20m
Deal found 7/8£431
Wed 26/808:30 -
1 stop11h 45m
Mon 21/918:35 -
Nonstop7h 20m
Deal found 10/8£432
Wed 7/1010:25 -
2 stops17h 30m
Mon 12/1006:08 -
2 stops22h 32m
Deal found 11/8£432
Fri 4/915:40 -
1 stop11h 35m
Thu 10/920:30 -
1 stop13h 10m
Deal found 7/8£432
Thu 24/906:00 -
2 stops17h 15m
Thu 1/1012:40 -
1 stop12h 50m
Deal found 10/8£432
Tue 20/1009:15 -
1 stop12h 30m
Tue 27/1018:45 -
2 stops19h 45m
Deal found 7/8£432

Find flight deals to Washington, D.C.

Find the latest flights to Washington, D.C. in 2026, 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 11 August 2026.

Return from

£430

One-way from

£310

Popular in

June

Cheapest in

February

Average price

£544

Good round-trip deal

£521 or less

Good one-way deal

£360 or less
British Airways
  • British Airways
  • 3/9-9/9
  • 2 total stops
  • 20h 45m total
  • London to Washington, D.C.
Search Deals
Icelandair
  • Icelandair
  • 5/10
  • 1 total stop
  • 29h 50m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals
Price to beat on a round-trip flight from London to Washington, D.C..
Search Deals
Price to beat on a one-way flight from London to Washington, D.C..
Search Deals

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 11 August 2026.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 27/8

09:30-16:05

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 31/8

22:15-10:40

Nonstop7h 25m

£432

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 27/8

09:30-16:05

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 12/9

09:45-06:30

1 stop15h 45m

£435

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Wed 2/12

11:15-23:07

1 stop16h 52m

Washington, D.C. Reagan-National

Sun 6/12

11:47-07:30

1 stop14h 43m

£435

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 24/12

16:20-20:15

Nonstop8h 55m

Washington, D.C. Dulles Intl

Thu 7/1

22:15-10:50

Nonstop7h 35m

£435

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 24/12

16:20-20:15

Nonstop8h 55m

Washington, D.C. Dulles Intl

Fri 8/1

18:20-06:40

Nonstop7h 20m

£435

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Fri 4/9

16:40-20:00

Nonstop8h 20m

Washington, D.C. Dulles Intl

Tue 8/9

22:05-10:40

Nonstop7h 35m

£437

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Thu 3/9

12:15-15:30

Nonstop8h 15m

Washington, D.C. Dulles Intl

Wed 9/9

22:05-10:40

Nonstop7h 35m

£437

LondonWashington, D.C.

LHR London Heathrow - IAD Washington, D.C. Dulles Intl

LHRIAD

London Heathrow

Fri 4/9

12:15-15:30

Nonstop8h 15m

Washington, D.C. Dulles Intl

Fri 11/9

22:05-10:40

Nonstop7h 35m

£437

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Sat 24/10

09:30-15:40

1 stop11h 10m

Washington, D.C. Reagan-National

Sat 31/10

12:55-06:30

1 stop13h 35m

£438

LondonWashington, D.C.

LHR London Heathrow - DCA Washington, D.C. Reagan-National

LHRDCA

London Heathrow

Mon 21/9

16:35-23:10

1 stop11h 35m

Washington, D.C. Reagan-National

Mon 12/10

14:56-06:25

1 stop10h 29m

£441

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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.

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

On average, a flight from London to Washington, D.C. takes 12 hours 35 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.

Weekly flight availability to Washington, D.C.

The most flights from London to Washington, D.C. are scheduled on a Friday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 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 Virgin Atlantic, British Airways and Lufthansa.

Virgin Atlantic
Virgin Atlantic
From £395
British Airways
British Airways
From £393
Aer Lingus
Aer Lingus
From £361
Lufthansa
Lufthansa
From £402

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

The cheapest airlines flying from London to Washington, D.C. are Icelandair, Aer Lingus 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).

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

The best time to book flights to Washington, D.C. is 81 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.

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 11 August 2026.
See what other customers who have flown with Virgin Atlantic,United Airlines, andIcelandair to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
694 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
10,103 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
6.9
Okay
728 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,177 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,156 reviews
Virgin Atlantic
7.5
Good
694 reviews
Check prices

Entertainment

7.5

Overall

7.5

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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, Icelandair 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. Dulles Intl is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Washington, D.C. Dulles Intl typically cost £38, while return flights cost around £70.

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

    A return flight to Washington, D.C. will typically cost around £243, however they can be found for as little as £242.

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

    For those looking to save time traveling to Washington, D.C., Edinburgh Turnhouse offers the quickest one-way flight (8 hours 5 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
Gaithersburg
Oxon Hill
Alexandria
Hanover
Woodbridge
Glen Burnie
Springfield

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