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£346+ 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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
— WAS
24 Jul — 31 Jul1
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 24 June 2026.

Mon 13/706:50
LHR
-
IAD
1 stop11h 40m
United Airlines
Mon 27/712:35
IAD
-
LHR
1 stop16h 50m
United Airlines
Deal found 23/6£447
Sun 6/906:50
LHR
-
IAD
1 stop11h 40m
Lufthansa
Thu 17/918:35
IAD
-
LHR
Nonstop7h 20m
Lufthansa
Deal found 23/6£448
Fri 21/807:30
LHR
-
IAD
1 stop12h 45m
Lufthansa
Sat 12/918:35
IAD
-
LHR
Nonstop7h 20m
Lufthansa
Deal found 23/6£449
Wed 8/706:50
LHR
-
IAD
1 stop11h 40m
Lufthansa
Wed 15/708:25
IAD
-
LHR
1 stop16h 30m
Lufthansa
Deal found 23/6£449
Mon 7/909:15
LCY
-
IAD
1 stop12h 30m
SWISS
Mon 14/920:20
IAD
-
LCY
1 stop11h 15m
SWISS
Deal found 23/6£449
Fri 28/807:30
LHR
-
IAD
1 stop13h 35m
Lufthansa
Fri 4/918:30
IAD
-
LHR
Nonstop7h 25m
Lufthansa
Deal found 23/6£450
Thu 2/708:30
LHR
-
IAD
1 stop11h 54m
Air Canada
Sat 11/717:06
IAD
-
LHR
1 stop10h 29m
Air Canada
Deal found 23/6£451
Sun 22/1110:40
LGW
-
IAD
1 stop14h 55m
TAP AIR PORTUGAL
Thu 3/1217:25
IAD
-
LGW
1 stop11h 25m
TAP AIR PORTUGAL
Deal found 23/6£451
Sat 7/1109:00
LHR
-
DCA
2 stops15h 57m
Air Canada
Tue 1/1211:00
DCA
-
LHR
1 stop15h 10m
Air Canada
Deal found 22/6£451
Mon 20/709:20
LCY
-
IAD
2 stops13h 59m
Virgin Atlantic
Mon 3/818:10
IAD
-
LCY
1 stop9h 40m
Virgin Atlantic
Deal found 23/6£451
Mon 29/606:50
LHR
-
IAD
1 stop11h 40m
Brussels Airlines
Fri 10/719:20
IAD
-
LHR
1 stop36h 05m
Brussels Airlines
Deal found 22/6£452
Tue 17/1118:40
LGW
-
IAD
1 stop27h 05m
SWISS
Sat 13/217:25
IAD
-
LGW
1 stop11h 15m
SWISS
Deal found 23/6£452

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 24 June 2026.

Return from

£447

One-way from

£346

Popular in

June

Cheapest in

February

Average price

£595

Good round-trip deal

£539 or less

Good one-way deal

£521 or less
United Airlines
  • United Airlines
  • 13/7-27/7
  • 2 total stops
  • 28h 30m total
  • London to Washington, D.C.
Search Deals
4/10
  • 4/10
  • 2 total stops
  • 16h 00m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£55 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 June 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 24 June 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 - IAD

LHRIAD

London Heathrow

Thu 29/10

16:20-21:15

Nonstop8h 55m

Washington, D.C. Dulles Intl

Thu 5/11

22:15-10:50

Nonstop7h 35m

£470

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 29/10

13:00-21:00

1 stop12h 00m

Washington, D.C. Reagan-National

Thu 5/11

07:00-21:20

1 stop9h 20m

£472

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 31/8

09:15-15:58

1 stop11h 43m

Washington, D.C. Reagan-National

Sat 19/9

20:24-12:15

1 stop10h 51m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 7/9

07:45-14:24

1 stop11h 39m

Washington, D.C. Reagan-National

Mon 14/9

17:55-09:20

1 stop10h 25m

£474

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 10/7

09:15-16:13

1 stop11h 58m

Washington, D.C. Reagan-National

Wed 22/7

17:00-08:00

1 stop10h 00m

£474

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Thu 20/8

19:15-15:30

1 stop25h 15m

Washington, D.C. Dulles Intl

Mon 24/8

17:40-12:35

1 stop13h 55m

£481

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 4/8

20:05-15:30

1 stop24h 25m

Washington, D.C. Dulles Intl

Tue 11/8

17:40-11:20

1 stop12h 40m

£492

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 21/8

14:05-21:48

1 stop12h 43m

Washington, D.C. Reagan-National

Wed 26/8

06:00-21:25

1 stop10h 25m

£496

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 18/7

17:25-23:41

1 stop11h 16m

Washington, D.C. Reagan-National

Sat 25/7

15:23-06:55

1 stop10h 32m

£499

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Wed 19/8

06:15-19:20

2 stops18h 05m

Washington, D.C. Dulles Intl

Wed 26/8

20:30-21:15

2 stops19h 45m

£500

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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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 12 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 Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 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 £410
British Airways
British Airways
From £407
Aer Lingus
Aer Lingus
From £369
Lufthansa
Lufthansa
From £371

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

The cheapest airlines flying from London to Washington, D.C. are Icelandair, United Airlines 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 24 June 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
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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
9,878 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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
7.0
Good
685 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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
8,090 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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
8,067 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Food

6.9

Entertainment

7.5

Crew

8.1

Overall

7.5

Comfort

7.3

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.?

    Baltimore/Washington is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Baltimore/Washington typically cost £41, while return flights cost around £72.

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

    A return flight to Washington, D.C. will typically cost around £274, however they can be found for as little as £90.

  • 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
Oxon Hill
Gaithersburg
Hanover
Woodbridge
Alexandria

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