Flights to Washington, D.C.

£235 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 19/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
11:20 - 18:30
EDI
-
IAD
12h 10m
1 stop
Icelandair Logo
19:40 - 10:20
IAD
-
EDI
9h 40m
1 stop
£435Icelandair
Thu, 19 Nov - Sat, 28 Nov
British Airways Logo
09:00 - 19:55
EDI
-
IAD
15h 55m
1 stop
British Airways Logo
18:20 - 10:05
IAD
-
EDI
10h 45m
1 stop
£487British Airways
Sat, 21 Nov - Sun, 29 Nov
British Airways Logo
13:20 - 19:55
EDI
-
IAD
11h 35m
1 stop
British Airways Logo
21:45 - 12:55
IAD
-
EDI
10h 10m
1 stop
£488British Airways
Wed, 18 Nov - Sat, 28 Nov
British Airways Logo
07:25 - 15:35
EDI
-
IAD
13h 10m
1 stop
British Airways Logo
21:45 - 15:15
IAD
-
EDI
12h 30m
1 stop
£489British Airways
Sun, 22 Nov - Sun, 29 Nov
Icelandair Logo
13:05 - 19:20
LHR
-
IAD
11h 15m
1 stop
Icelandair Logo
20:30 - 11:55
IAD
-
LHR
10h 25m
1 stop
£496Icelandair
Wed, 9 Sep - Mon, 21 Sep
JetBlue Logo
12:20 - 21:50
LGW
-
DCA
14h 30m
1 stop
JetBlue Logo
14:25 - 09:35
DCA
-
LGW
14h 10m
1 stop
£498JetBlue
Tue, 14 Jul - Thu, 16 Jul
Lufthansa Logo
07:25 - 15:10
LHR
-
IAD
12h 45m
1 stop
Lufthansa Logo
23:15 - 10:50
IAD
-
LHR
7h 35mdirect
£500Lufthansa
Thu, 22 Oct - Wed, 28 Oct
JetBlue Logo
12:20 - 19:59
LGW
-
DCA
12h 39m
1 stop
JetBlue Logo
11:00 - 09:35
DCA
-
LGW
17h 35m
1 stop
£502JetBlue
Wed, 8 Jul - Sun, 12 Jul
United Airlines Logo
11:05 - 22:54
LHR
-
DCA
16h 49m
1 stop
United Airlines Logo
14:00 - 06:45
DCA
-
LHR
11h 45m
1 stop
£505United Airlines
Sun, 2 Aug - Sun, 16 Aug
Lufthansa Logo
09:15 - 16:05
LCY
-
IAD
11h 50m
1 stop
Lufthansa Logo
15:25 - 08:40
IAD
-
LCY
12h 15m
1 stop
£519Lufthansa
Wed, 15 Jul - Wed, 5 Aug

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 4 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

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Thu 19/11

11:20-18:30

1 stop12h 10m

Washington, D.C. Dulles Intl

Sat 28/11

19:40-10:20

1 stop9h 40m

£434

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Sat 21/11

09:00-19:55

1 stop15h 55m

Washington, D.C. Dulles Intl

Sun 29/11

18:20-10:05

1 stop10h 45m

£487

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Wed 18/11

13:20-19:55

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 28/11

21:45-12:55

1 stop10h 10m

£488

EdinburghWashington, D.C.

EDI - IAD

EDIIAD

Edinburgh Turnhouse

Sun 22/11

07:25-15:35

1 stop13h 10m

Washington, D.C. Dulles Intl

Sun 29/11

21:45-15:15

1 stop12h 30m

£489

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Wed 9/9

13:05-19:20

1 stop11h 15m

Washington, D.C. Dulles Intl

Mon 21/9

20:30-11:55

1 stop10h 25m

£496

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 14/7

12:20-21:50

1 stop14h 30m

Washington, D.C. Reagan-National

Thu 16/7

14:25-09:35

1 stop14h 10m

£498
Fastest return journey

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Thu 22/10

07:25-15:10

1 stop12h 45m

Washington, D.C. Dulles Intl

Wed 28/10

23:15-10:50

Nonstop7h 35m

£500

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/7

12:20-19:59

1 stop12h 39m

Washington, D.C. Reagan-National

Sun 12/7

11:00-09:35

1 stop17h 35m

£502

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 2/8

11:05-22:54

1 stop16h 49m

Washington, D.C. Reagan-National

Sun 16/8

14:00-06:45

1 stop11h 45m

£505

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Wed 15/7

09:15-16:05

1 stop11h 50m

Washington, D.C. Dulles Intl

Wed 5/8

15:25-08:40

1 stop12h 15m

£519

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 £444, 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 January to fly from United Kingdom, when ticket prices are also cheap, with an average price of £464.

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

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 Thursday. momondo users have found tickets for Thursday departures for as low as £572. 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 £614.

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

At midday 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 £571. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £588. Departure times in the morning 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 £545 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 £487 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 AIRPORTJanuary14% cheaperFlying from London Heathrow Airport to Washington, D.C. costs on average just £457 in January
MOST EXPENSIVE MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly17% more expensiveIt costs about £623 for flights to Washington, D.C. from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO WASHINGTON, D.C. FROM LONDON HEATHROW AIRPORTJuly356% 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

£235

Best Round-Trip Price

£434

Fastest flight time

8h 15m

Popular in

July
The best one-way flight price to Washington, D.C. from United Kingdom in the last 5 days is £235 (Edinburgh Turnhouse to Washington, D.C. Dulles Intl).
The best round-trip flight price to Washington, D.C. from United Kingdom in the last 5 days is £434 (Edinburgh Turnhouse to Washington, D.C. Dulles Intl).
The fastest flight to Washington, D.C. from United Kingdom takes 8h 15m (London Heathrow to Baltimore/Washington).
July has the highest demand for flights to Washington, D.C., with a 14% 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 57 days in advance, when prices tend to average £525. 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 £409 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 Washington, D.C. Reagan-National Airport where the average price is £246. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Capitol Hill?

Yes, you can get a flight to Washington, D.C. Reagan-National airport in Washington, D.C. (3.3 mi from Capitol Hill).

What’s the closest airport to Union Station?

The closest airport to Union Station is Washington, D.C. Reagan-National, 3.6 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
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
Glen Burnie
Ellicott City
Cambridge
Laurel
Lutherville Timonium
Westminster
Lexington Park
Woodbridge
Bethesda
Owings Mills
Silver Spring
Rockville
Landover

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.

An easier way to manage your Washington, D.C. trip

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1 adult
Sat 4/7
Sat 11/7

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