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 74 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 7,954 user reviews on momondo.

KLM Flights to Washington, D.C.

KLM (7.8/10, 1,385 reviews) is also a popular choice for flights to Washington, D.C., with deals from as low as £444 from Birmingham, round-trip. With 38 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.

£352 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

09:00 - 16:40LHR-IAD

12h 40m1 stop

19:20 - 06:40IAD-LHR

7h 20mdirect

£393United Airlines

Find Deal

Tue, 3 Mar - Thu, 12 Mar

08:40 - 00:41LHR-BWI

21h 01m2 stops

17:30 - 08:45BWI-LHR

10h 15m1 stop

£393Virgin Atlantic

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Mon, 3 Nov - Thu, 19 Feb

20:05 - 15:35LHR-IAD

23h 30m1 stop

20:30 - 16:20IAD-LHR

14h 50m1 stop

£394SWISS

Find Deal

Mon, 27 Oct - Fri, 7 Nov

15:40 - 22:10LGW-IAD

11h 30m1 stop

23:15 - 14:40IAD-LGW

10h 25m1 stop

£397Icelandair

Find Deal

Fri, 3 Oct - Sun, 5 Oct

11:30 - 20:15LHR-IAD

13h 45m1 stop

22:15 - 10:50IAD-LHR

7h 35mdirect

£397Lufthansa

Find Deal

Sat, 10 Jan - Sat, 24 Jan

11:55 - 18:40LGW-BWI

11h 45m1 stop

19:40 - 10:55BWI-LGW

10h 15m1 stop

£398Icelandair

Find Deal

Thu, 8 Jan - Sun, 11 Jan

16:25 - 19:55LHR-IAD

8h 30mdirect

22:45 - 10:00IAD-LHR

7h 15mdirect

£401British Airways

Find Deal

Thu, 5 Mar - Thu, 12 Mar

17:00 - 23:07LHR-DCA

11h 07m1 stop

06:38 - 21:40DCA-LHR

10h 02m1 stop

£405British Airways

Find Deal

Mon, 29 Sep - Wed, 15 Oct

12:15 - 15:30LHR-IAD

8h 15mdirect

22:25 - 10:40IAD-LHR

7h 15mdirect

£419Lufthansa

Find Deal

Fri, 26 Sep - Tue, 30 Sep

07:05 - 18:15LHR-IAD

15h 10m2 stops

21:30 - 18:30IAD-LHR

17h 00m1 stop

£421Scandinavian Airlines

Find Deal

Thu, 12 Mar - Thu, 19 Mar

Fly from

Route

Depart

Return

Price

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Tue 3/3

09:00-16:40

1 stop12h 40m

Washington, D.C. Dulles Intl

Thu 12/3

19:20-06:40

Nonstop7h 20m

£393

LondonBaltimore

LHR - BWI

LHRBWI

London Heathrow

Mon 3/11

08:40-00:41

2 stops21h 01m

Baltimore/Washington

Thu 19/2

17:30-08:45

1 stop10h 15m

£393

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 27/10

20:05-15:35

1 stop23h 30m

Washington, D.C. Dulles Intl

Fri 7/11

20:30-16:20

1 stop14h 50m

£394

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 3/10

15:40-22:10

1 stop11h 30m

Washington, D.C. Dulles Intl

Sun 5/10

23:15-14:40

1 stop10h 25m

£397

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 10/1

11:30-20:15

1 stop13h 45m

Washington, D.C. Dulles Intl

Sat 24/1

22:15-10:50

Nonstop7h 35m

£397

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Thu 8/1

11:55-18:40

1 stop11h 45m

Baltimore/Washington

Sun 11/1

19:40-10:55

1 stop10h 15m

£398

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 5/3

16:25-19:55

Nonstop8h 30m

Washington, D.C. Dulles Intl

Thu 12/3

22:45-10:00

Nonstop7h 15m

£401

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Mon 29/9

17:00-23:07

1 stop11h 07m

Washington, D.C. Reagan-National

Wed 15/10

06:38-21:40

1 stop10h 02m

£405

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Fri 26/9

12:15-15:30

Nonstop8h 15m

Washington, D.C. Dulles Intl

Tue 30/9

22:25-10:40

Nonstop7h 15m

£419

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 12/3

07:05-18:15

2 stops15h 10m

Washington, D.C. Dulles Intl

Thu 19/3

21:30-18:30

1 stop17h 00m

£421

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 £592. 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	£352
Best Round-Trip Price	£393
Fastest flight time	14h 50m
Popular in	July

The best one-way flight price to Washington, D.C. from United Kingdom in the last 72 hours is £352 (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 £393 (London Heathrow to Washington, D.C. Dulles Intl).

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The fastest flight to Washington, D.C. from United Kingdom takes 14h 50m (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 £540. 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.