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Cheap flights from District of Columbia to the United Kingdom from £182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to the United Kingdom departing on 15/11. 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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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
20:30 - 17:40IAD-LHR
16h 10m1 stop
Scandinavian Airlines Logo
19:50 - 17:15LHR-IAD
26h 25m2 stops
£388Scandinavian Airlines
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Wed, 31 Dec - Wed, 28 Jan
TAP AIR PORTUGAL Logo
22:30 - 15:05IAD-LGW
11h 35m1 stop
TAP AIR PORTUGAL Logo
09:35 - 15:15LGW-IAD
34h 40m2 stops
£389TAP AIR PORTUGAL
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Wed, 3 Dec - Wed, 10 Dec
Icelandair Logo
19:40 - 19:30IAD-LHR
18h 50m1 stop
Icelandair Logo
12:15 - 18:30LHR-IAD
11h 15m1 stop
£390Icelandair
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Mon, 3 Nov - Sat, 8 Nov
Multiple Airlines Logo
19:40 - 23:20IAD-LGW
22h 40m2 stops
Multiple Airlines Logo
20:50 - 18:30LGW-IAD
26h 40m2 stops
£391Multiple Airlines
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Sun, 16 Nov - Thu, 20 Nov
Multiple Airlines Logo
19:40 - 16:20IAD-LGW
15h 40m2 stops
Multiple Airlines Logo
18:00 - 18:30LGW-IAD
29h 30m3 stops
£399Multiple Airlines
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Sun, 9 Nov - Wed, 12 Nov
Icelandair Logo
19:40 - 10:55IAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 - 18:30LGW-IAD
11h 35m1 stop
£401Icelandair
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Wed, 19 Nov - Wed, 26 Nov
Lufthansa Logo
22:55 - 15:50IAD-LHR
11h 55m1 stop
Lufthansa Logo
11:10 - 20:05LHR-IAD
13h 55m1 stop
£424Lufthansa
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Mon, 29 Dec - Fri, 9 Jan
SWISS Logo
20:45 - 17:55IAD-LGW
16h 10m1 stop
SWISS Logo
18:40 - 17:40LGW-IAD
27h 00m1 stop
£426SWISS
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Wed, 22 Oct - Wed, 29 Oct
SWISS Logo
20:45 - 13:00IAD-LHR
11h 15m1 stop
SWISS Logo
18:40 - 17:40LHR-IAD
27h 00m1 stop
£428SWISS
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Wed, 22 Oct - Wed, 29 Oct
Lufthansa Logo
06:00 - 20:35DCA-LHR
9h 35m1 stop
Lufthansa Logo
13:25 - 21:56LHR-DCA
13h 31m1 stop
£443Lufthansa
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Wed, 12 Nov - Tue, 18 Nov

JetBlue flights from District of Columbia to United Kingdom

Our best JetBlue deals on District of Columbia to United Kingdom flight tickets
JetBlue
14 Oct
DCA18:55Washington, D.C. Reagan-National
9h 40m
1 stop
LGW09:35London Gatwick
19 Oct
LGW12:10London Gatwick
13h 49m
1 stop
DCA20:59Washington, D.C. Reagan-National
£446
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JetBlue
22 Oct
DCA06:25Washington, D.C. Reagan-National
9h 20m
1 stop
LHR20:45London Heathrow
4 Nov
LHR07:25London Heathrow
12h 25m
1 stop
DCA14:50Washington, D.C. Reagan-National
£447
Find similar
JetBlue
27 Nov
DCA13:55Washington, D.C. Reagan-National
12h 00m
1 stop
LHR06:55London Heathrow
3 Dec
LHR09:20London Heathrow
11h 40m
1 stop
DCA16:00Washington, D.C. Reagan-National
£448
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United Airlines flights from District of Columbia to United Kingdom

Our best United Airlines deals on District of Columbia to United Kingdom flight tickets
United Airlines
21 Oct
IAD22:25Washington, D.C. Dulles Intl
7h 15m
LHR10:40London Heathrow
4 Nov
LHR06:35London Heathrow
14h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£451
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United Airlines
21 Oct
IAD08:16Washington, D.C. Dulles Intl
17h 19m
2 stops
LHR06:35London Heathrow
28 Oct
LHR09:00London Heathrow
12h 40m
1 stop
IAD17:40Washington, D.C. Dulles Intl
£457
Find similar
United Airlines
8 Nov
DCA18:07Washington, D.C. Reagan-National
30h 48m
1 stop
LHR05:55London Heathrow
19 Nov
LHR13:00London Heathrow
24h 55m
1 stop
DCA08:55Washington, D.C. Reagan-National
£469
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momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 8 October 2025.
Use the filters below to find and compare flights from District of Columbia to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 31/12

20:30-17:40

1 stop16h 10m

London Heathrow

Wed 28/1

19:50-17:15

2 stops26h 25m

£388

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 3/12

22:30-15:05

1 stop11h 35m

London Gatwick

Wed 10/12

09:35-15:15

2 stops34h 40m

£389

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 3/11

19:40-19:30

1 stop18h 50m

London Heathrow

Sat 8/11

12:15-18:30

1 stop11h 15m

£390

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 16/11

19:40-23:20

2 stops22h 40m

London Gatwick

Thu 20/11

20:50-18:30

2 stops26h 40m

£391

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 9/11

19:40-16:20

2 stops15h 40m

London Gatwick

Wed 12/11

18:00-18:30

3 stops29h 30m

£399

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 19/11

19:40-10:55

1 stop10h 15m

London Gatwick

Wed 26/11

11:55-18:30

1 stop11h 35m

£401

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 29/12

22:55-15:50

1 stop11h 55m

London Heathrow

Fri 9/1

11:10-20:05

1 stop13h 55m

£424

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 22/10

20:45-17:55

1 stop16h 10m

London Gatwick

Wed 29/10

18:40-17:40

1 stop27h 00m

£426

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 22/10

20:45-13:00

1 stop11h 15m

London Heathrow

Wed 29/10

18:40-17:40

1 stop27h 00m

£428

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 12/11

06:00-20:35

1 stop9h 35m

London Heathrow

Tue 18/11

13:25-21:56

1 stop13h 31m

£443

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 the United Kingdom from

How to get the cheapest flight ticket from District of Columbia to United Kingdom

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from District of Columbia is in September. Flight prices, which tend to average around £469, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of September, then departing from District of Columbia during the month January is also very affordable. Most momondo users find prices during this month for around £487.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from District of Columbia to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £523. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to United Kingdom for around £645.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £577. Try not to purchase tickets in the afternoon because they tend to be around £586. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest District of Columbia to United Kingdom flight route?

Fly from Washington, D.C. Dulles Intl to London Heathrow for the best District of Columbia - United Kingdom flight prices

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £564 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from District of Columbia for as low as £522 on momondo.

What cabin class options are available on District of Columbia to United Kingdom flights?

There are 4 cabin classes available to choose from on District of Columbia to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to United Kingdom flights?

You could potentially save up to 56% on your flight if you consider stops on a District of Columbia to United Kingdom flight.

Cheap District of Columbia to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to United Kingdom

Best price found

£279

Fastest flight time

7h 05m

Direct flights

Every day

Airports in United Kingdom

2 airports
The best one-way flight to United Kingdom from District of Columbia in the past 72 hours is £279. The best return flight deal from District of Columbia to United Kingdom found on momondo in the last 72 hours is £486.
The fastest flight from District of Columbia to United Kingdom takes 7h 05m
Direct flights go from District of Columbia to United Kingdom every day.
There are 2 airports near United Kingdom: London Heathrow (LHR), Edinburgh Turnhouse (EDI)
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  • When did momondo last update prices for flights from District of Columbia to United Kingdom?

    Prices for flights from District of Columbia to United Kingdom are updated daily.

  • How many operators does momondo search for flights from District of Columbia to United Kingdom?

  • How old do you have to be to fly from District of Columbia to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from District of Columbia to United Kingdom?

Best airlines flying from District of Columbia to United Kingdom

Compare and see reviews for airlines that fly from District of Columbia to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £308Free CancellationRating
6.8
7,458 reviews
Search Lufthansa flights
IcelandairPriceFrom £346Free CancellationRating
7.0
551 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £381Free CancellationRating
7.4
665 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £385Free CancellationRating
6.7
7,439 reviews
Search British Airways flights
Air FrancePriceFrom £396Free CancellationRating
7.4
1,467 reviews
Search Air France flights
IberiaPriceFrom £429Free CancellationRating
7.0
2,979 reviews
Search Iberia flights
Aer LingusPriceFrom £441Free CancellationRating
7.2
1,319 reviews
Search Aer Lingus flights
KLMPriceFrom £504Free CancellationRating
7.7
1,396 reviews
Search KLM flights
American AirlinesPriceFrom £513Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom £522Free CancellationRating
7.4
8,960 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to United Kingdom?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to United Kingdom . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to United Kingdom with flexible booking policies on momondo?

All flight searches from District of Columbia to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to United Kingdom?

Once all potential District of Columbia to United Kingdom 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 from District of Columbia to United Kingdom right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.

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