Which airlines fly to Washington, D.C.?

When flying to Washington, D.C. from United Kingdom, momondo travellers will most often fly with one of these popular airlines: British Airways, Virgin Atlantic, Aer Lingus or Icelandair. Depending on what airport in United Kingdom you fly from, you may be able to find flights with any of these popular airlines.

Delta Flights to Washington, D.C.

There are 76 Delta flights to Washington, D.C. in a normal week. The most common departure point is Atlanta Hartsfield-Jackson and the best Delta ticket price seen on momondo is £186 (last 72 hours, from London Heathrow, to Washington, D.C.). Delta has a score of 7.9 from 7,964 user reviews on momondo.

KLM Flights to Washington, D.C.

KLM (7.8/10, 1,386 reviews) is also a popular choice for flights to Washington, D.C., with deals from as low as £442 from Birmingham, round-trip. With 39 KLM flights to Washington, D.C. on average each week, prices can vary significantly by origin and availability.

How long does it take to fly to Washington, D.C.?

On average, it takes 8h 15m to fly from United Kingdom to Washington, D.C. if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Washington, D.C. Dulles Intl (the most popular airport in Washington, D.C.). If you’re flying out of Manchester and into Washington, D.C. Dulles Intl, then the flight time is around 10h 35m.

£316 Cheap Flights to Washington, D.C. in 2025/26

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Find the cheapest flights from the United Kingdom to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap return flights

14:00 - 12:40LGW-BWI

27h 40m1 stop

08:00 - 10:00BWI-LGW

21h 00m1 stop

£388Multiple Airlines

Find Deal

Tue, 14 Oct - Wed, 22 Oct

14:00 - 08:50LGW-BWI

23h 50m1 stop

21:37 - 10:05BWI-LGW

31h 28m1 stop

£389Multiple Airlines

Find Deal

Mon, 24 Nov - Fri, 5 Dec

16:25 - 23:00LHR-BWI

35h 35m2 stops

18:21 - 06:25BWI-LHR

31h 04m1 stop

£394Virgin Atlantic

Find Deal

Sat, 22 Nov - Sat, 13 Dec

08:40 - 00:28LHR-BWI

20h 48m2 stops

13:52 - 07:50BWI-LHR

12h 58m1 stop

£395Virgin Atlantic

Find Deal

Fri, 14 Nov - Sun, 7 Dec

12:10 - 20:59LGW-DCA

13h 49m1 stop

12:56 - 09:35DCA-LGW

15h 39m1 stop

£397Icelandair

Find Deal

Wed, 8 Oct - Wed, 15 Oct

15:25 - 18:45LHR-BWI

8h 20mdirect

20:35 - 08:40BWI-LHR

7h 05mdirect

£402British Airways

Find Deal

Wed, 12 Nov - Wed, 19 Nov

15:40 - 22:10LGW-IAD

11h 30m1 stop

20:30 - 14:40IAD-LGW

13h 10m1 stop

£402Icelandair

Find Deal

Sat, 4 Oct - Wed, 8 Oct

15:05 - 07:50LGW-DCA

21h 45m1 stop

06:38 - 07:50DCA-LGW

20h 12m1 stop

£403British Airways

Find Deal

Thu, 9 Oct - Sun, 12 Oct

07:25 - 19:25LHR-IAD

17h 00m1 stop

18:40 - 06:55IAD-LHR

7h 15mdirect

£408Lufthansa

Find Deal

Sat, 4 Oct - Wed, 8 Oct

08:30 - 15:50LHR-IAD

12h 20m1 stop

18:40 - 06:55IAD-LHR

7h 15mdirect

£411Lufthansa

Find Deal

Wed, 1 Oct - Wed, 8 Oct

Fly from

Route

Depart

Return

Price

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Tue 14/10

14:00-12:40

1 stop27h 40m

Baltimore/Washington

Wed 22/10

08:00-10:00

1 stop21h 00m

£388

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Mon 24/11

14:00-08:50

1 stop23h 50m

Baltimore/Washington

Fri 5/12

21:37-10:05

1 stop31h 28m

£389

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Sat 22/11

16:25-23:00

2 stops35h 35m

Baltimore/Washington

Sat 13/12

18:21-06:25

1 stop31h 04m

£394

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Fri 14/11

08:40-00:28

2 stops20h 48m

Baltimore/Washington

Sun 7/12

13:52-07:50

1 stop12h 58m

£395

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/10

12:10-20:59

1 stop13h 49m

Washington, D.C. Reagan-National

Wed 15/10

12:56-09:35

1 stop15h 39m

£397

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Wed 12/11

15:25-18:45

Nonstop8h 20m

Baltimore/Washington

Wed 19/11

20:35-08:40

Nonstop7h 05m

£402

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 4/10

15:40-22:10

1 stop11h 30m

Washington, D.C. Dulles Intl

Wed 8/10

20:30-14:40

1 stop13h 10m

£402

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 9/10

15:05-07:50

1 stop21h 45m

Washington, D.C. Reagan-National

Sun 12/10

06:38-07:50

1 stop20h 12m

£403

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 4/10

07:25-19:25

1 stop17h 00m

Washington, D.C. Dulles Intl

Wed 8/10

18:40-06:55

Nonstop7h 15m

£408

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 1/10

08:30-15:50

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 8/10

18:40-06:55

Nonstop7h 15m

£411

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Washington, D.C. flights insights and trends

Explore insights for your Washington, D.C. flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from United Kingdom is in February. Flight prices, which tend to average around £456, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in February, then you should wait until November to fly from United Kingdom, when ticket prices are also cheap, with an average price of £485.

What is the absolute cheapest flight to Washington, D.C.?

Users booking trips to Washington, D.C. from Boston found flights 78% cheaper than the average price of flights to Washington, D.C.. To find the cheapest price to Washington, D.C. from your area, use momondo’s Airport-to-Airport Pricing Tool.

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What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £591. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £666.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from United Kingdom to Washington, D.C. when you can find flight prices for as low as £505. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the afternoon, with an average ticket price of £625. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £575 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from United Kingdom for as low as £538 on momondo.

Cheapest flights to Washington, D.C.

Find the cheapest flights to Washington, D.C. from your nearest city or airport

Find flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport

CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	September	14% cheaper	Flying from London Heathrow Airport to Washington, D.C. costs on average just £486 in September
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	July	22% more expensive	It costs about £692 for flights to Washington, D.C. from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORT	July	204% more users visited	More momondo users searched in flights to Washington, D.C. from London Heathrow Airport in July than any other month

Cheap Washington, D.C. flight deals and tips

Summary info about Washington, D.C. flight prices, duration and airlines

Best One-Way Price	£316
Best Round-Trip Price	£388
Fastest flight time	14h 40m
Popular in	July

The best one-way flight price to Washington, D.C. from United Kingdom in the last 72 hours is £316 (London Gatwick to Baltimore/Washington).

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The best round-trip flight price to Washington, D.C. from United Kingdom in the last 72 hours is £388 (London Gatwick to Baltimore/Washington).

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The fastest flight to Washington, D.C. from United Kingdom takes 14h 40m (London Gatwick to Baltimore/Washington).

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July has the highest demand for flights to Washington, D.C., with a 16% price increase on average.

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Frequently asked questions about flying to Washington, D.C.

When is it best to fly to Washington, D.C. to go sightseeing?

The best time to plan to fly to Washington, D.C. to go sightseeing would be when the temperature is not unbearable and the chance of rain is only moderate. Considering those guidelines, May seem like the best times of year to plan your visit.

How far in advance should I book a flight to Washington, D.C.?

The ideal time to book your flight to Washington, D.C. is 84 days in advance, when prices tend to average £539. Keep in mind that you might be able to find cheaper flights to Washington, D.C. at any time. In fact, our users found flights for as low as £469 in the past 72 hours.

Is there an alternative airport near Washington, D.C.?

Finding an alternative and possibly cheaper destination airport near Washington, D.C. is possible. If you are planning a flight to Washington, D.C., consider booking flights to Washington, D.C. Reagan-National Airport (4 mi from Washington, D.C. city centre) or Baltimore/Washington Airport (27 mi from Washington, D.C. city centre).

Is there a cheaper alternative to flying into Washington, D.C.?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Washington, D.C. is Baltimore/Washington Airport where the average price is £221. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Dupont Circle?

Yes, you can get a flight to Washington, D.C. Reagan-National airport in Washington, D.C. (4.0 mi from Dupont Circle).

What’s the closest airport to White House?

The closest airport to White House is Washington, D.C. Reagan-National, 3.1 mi away.

When did momondo last update prices for flights to Washington, D.C.?

Prices for flights to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights to Washington, D.C.?

There are 26 operators available for flights to Washington, D.C. as of September 2025.

How old do you have to be to fly to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Laurel

College Park

Essex

Alexandria

Fairfax

Bethesda

Oxon Hill

Gettysburg

Cambridge

Ellicott City

Westminster

Arlington

Woodbridge

Owings Mills

Silver Spring

National Harbor

Why use momondo?

Why should I use momondo to find a flight deal to Washington, D.C.?

Finding the right flight to Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. with this policy.

How can momondo help me find flights to Washington, D.C.?

Once all potential Washington, D.C. flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

I’m not ready to book a flight to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Washington, D.C. and let you know when they change.