Flights to Washington, D.C.

£180 Cheap flights to Washington, D.C.

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Washington, D.C. departing on 28/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap return flights

PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£310PLAY
Find Deal
Wed, 17 Sep - Wed, 1 Oct
PLAY Logo
11:40 - 17:40STN-BWI
11h 00m1 stop
PLAY Logo
18:50 - 10:40BWI-STN
10h 50m1 stop
£316PLAY
Find Deal
Fri, 5 Sep - Sun, 21 Sep
Icelandair Logo
11:55 - 18:20LGW-IAD
11h 25m1 stop
Icelandair Logo
19:40 - 10:55IAD-LGW
10h 15m1 stop
£363Icelandair
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Icelandair Logo
12:15 - 18:20LHR-IAD
11h 05m1 stop
Icelandair Logo
19:40 - 19:30IAD-LHR
18h 50m1 stop
£365Icelandair
Find Deal
Thu, 6 Nov - Mon, 8 Dec
Lufthansa Logo
07:25 - 15:05LHR-IAD
12h 40m1 stop
Lufthansa Logo
22:32 - 20:40IAD-LHR
17h 08m1 stop
£370Lufthansa
Find Deal
Sat, 13 Sep - Sat, 13 Sep
Lufthansa Logo
10:50 - 19:25LHR-IAD
13h 35m1 stop
Lufthansa Logo
22:32 - 20:40IAD-LHR
17h 08m1 stop
£393Lufthansa
Find Deal
Sat, 13 Sep - Sat, 13 Sep
British Airways Logo
15:05 - 23:07LGW-DCA
13h 02m1 stop
British Airways Logo
13:39 - 07:50DCA-LGW
13h 11m1 stop
£458British Airways
Find Deal
Thu, 11 Sep - Sun, 14 Sep
British Airways Logo
15:05 - 23:07LGW-DCA
13h 02m1 stop
British Airways Logo
06:45 - 07:50DCA-LGW
20h 05m1 stop
£459British Airways
Find Deal
Mon, 15 Sep - Sun, 21 Sep
Virgin Atlantic Logo
09:20 - 15:35LCY-IAD
11h 15m1 stop
Virgin Atlantic Logo
17:25 - 09:30IAD-LCY
11h 05m1 stop
£505Virgin Atlantic
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Virgin Atlantic Logo
07:45 - 15:35LCY-IAD
12h 50m1 stop
Virgin Atlantic Logo
12:08 - 09:30IAD-LCY
16h 22m2 stops
£515Virgin Atlantic
Find Deal
Wed, 10 Sep - Wed, 1 Oct

momondo Fare Finder

 
Locate flights to Washington, D.C. that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 30 July 2025.
Use the filters below to find and compare flights to Washington, D.C. that are best for you.

Fly from

Route

Depart

Return

Price

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Wed 17/9

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Wed 1/10

18:50-10:40

1 stop10h 50m

£310

LondonBaltimore

STN - BWI

STNBWI

London Stansted

Fri 5/9

11:40-17:40

1 stop11h 00m

Baltimore/Washington

Sun 21/9

18:50-10:40

1 stop10h 50m

£316

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 6/11

11:55-18:20

1 stop11h 25m

Washington, D.C. Dulles Intl

Mon 10/11

19:40-10:55

1 stop10h 15m

£363

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 6/11

12:15-18:20

1 stop11h 05m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-19:30

1 stop18h 50m

£365

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 13/9

07:25-15:05

1 stop12h 40m

Washington, D.C. Dulles Intl

Sat 13/9

22:32-20:40

1 stop17h 08m

£370

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Sat 13/9

10:50-19:25

1 stop13h 35m

Washington, D.C. Dulles Intl

Sat 13/9

22:32-20:40

1 stop17h 08m

£393

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 11/9

15:05-23:07

1 stop13h 02m

Washington, D.C. Reagan-National

Sun 14/9

13:39-07:50

1 stop13h 11m

£458

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 15/9

15:05-23:07

1 stop13h 02m

Washington, D.C. Reagan-National

Sun 21/9

06:45-07:50

1 stop20h 05m

£459

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Fri 12/9

09:20-15:35

1 stop11h 15m

Washington, D.C. Dulles Intl

Fri 19/9

17:25-09:30

1 stop11h 05m

£505

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 10/9

07:45-15:35

1 stop12h 50m

Washington, D.C. Dulles Intl

Wed 1/10

12:08-09:30

2 stops16h 22m

£515

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

Washington, D.C. flights insights and trends

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

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 £467, 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 £495.

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

Users booking trips to Washington, D.C. from New York found flights 90% 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.
See prices from:

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 £614. 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 £689.

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 £514. 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 £643. 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 £646 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 £541 on momondo.

Cheapest flights to Washington, D.C.

Find the cheapest flights to Washington, D.C. from your nearest city or airport
CHEAPEST MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTFebruary12% cheaperFlying from London Heathrow Airport to Washington, D.C. costs on average just £523 in February
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly23% more expensiveIt costs about £731 for flights to Washington, D.C. from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly233% more users visitedMore 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

£180

Best Round-Trip Price

£310

Fastest flight time

11h 00m

Popular in

July
The best one-way flight price to Washington, D.C. from United Kingdom in the last 72 hours is £180 (London Gatwick to Baltimore/Washington).
The best round-trip flight price to Washington, D.C. from United Kingdom in the last 72 hours is £310 (London Stansted to Baltimore/Washington).
The fastest flight to Washington, D.C. from United Kingdom takes 11h 00m (London Stansted to Baltimore/Washington).
July has the highest demand for flights to Washington, D.C., with a 16% price increase on average.

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 £554. 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 £444 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 Washington, D.C. Dulles Intl Airport (22 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 Washington, D.C. Reagan-National Airport where the average price is £249. 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 Baltimore/Washington airport in Washington, D.C. (27.2 mi from Dupont Circle).

What’s the closest airport to White House?

The closest airport to White House is Baltimore/Washington, 27.5 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.?

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.


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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
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.


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1 adult
Mon 4/8
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