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Cheap flights from District of Columbia to the United Kingdom from £213

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 19/7. 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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Find the cheapest flights from District of Columbia to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
SWISS Logo
20:20 - 08:25
IAD
-
LGW
31h 05m
1 stop
SWISS Logo
09:25 - 16:45
LGW
-
IAD
12h 20m
1 stop
£656SWISS
Mon, 10 Aug - Fri, 21 Aug
Austrian Airlines Logo
18:35 - 06:55
IAD
-
LHR
7h 20mdirect
Austrian Airlines Logo
19:30 - 14:00
LHR
-
IAD
23h 30m
1 stop
£656Austrian Airlines
Fri, 18 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:55 - 12:45
IAD
-
LTN
10h 50m
1 stop
Multiple Airlines Logo
06:20 - 15:45
LTN
-
IAD
14h 25m
1 stop
£657Multiple Airlines
Mon, 10 Aug - Fri, 21 Aug
Multiple Airlines Logo
20:20 - 13:00
IAD
-
LHR
11h 40m
1 stop
Multiple Airlines Logo
16:40 - 20:20
LHR
-
IAD
8h 40mdirect
£657Multiple Airlines
Thu, 1 Oct - Tue, 6 Oct
Air Canada Logo
08:18 - 06:30
IAD
-
LHR
17h 12m
1 stop
Air Canada Logo
09:30 - 21:18
LHR
-
IAD
16h 48m
2 stops
£657Air Canada
Mon, 10 Aug - Fri, 21 Aug
Virgin Atlantic Logo
12:29 - 09:30
IAD
-
LCY
16h 01m
2 stops
Virgin Atlantic Logo
07:45 - 15:35
LCY
-
IAD
12h 50m
1 stop
£658Virgin Atlantic
Mon, 10 Aug - Fri, 21 Aug
Air Canada Logo
06:00 - 06:30
DCA
-
LHR
19h 30m
1 stop
Air Canada Logo
09:30 - 15:38
LHR
-
DCA
11h 08m
1 stop
£659Air Canada
Tue, 4 Aug - Wed, 19 Aug
TAP AIR PORTUGAL Logo
17:25 - 20:35
IAD
-
LGW
22h 10m
2 stops
TAP AIR PORTUGAL Logo
10:40 - 20:35
LGW
-
IAD
14h 55m
1 stop
£659TAP AIR PORTUGAL
Mon, 16 Nov - Fri, 20 Nov
Virgin Atlantic Logo
12:30 - 09:40
IAD
-
LGW
16h 10m
2 stops
Virgin Atlantic Logo
17:00 - 16:38
LGW
-
IAD
28h 38m
2 stops
£662Virgin Atlantic
Mon, 17 Aug - Mon, 31 Aug
TAP AIR PORTUGAL Logo
17:05 - 09:45
IAD
-
LGW
11h 40m
1 stop
TAP AIR PORTUGAL Logo
21:15 - 15:10
LGW
-
IAD
22h 55m
2 stops
£663TAP AIR PORTUGAL
Sat, 12 Sep - Fri, 18 Sep

Scandinavian Airlines flights from District of Columbia to United Kingdom

Our best Scandinavian Airlines deals on District of Columbia to United Kingdom flight tickets
Scandinavian Airlines
9 Aug
IAD20:20Washington, D.C. Dulles Intl
14h 40m
1 stop
LHR16:00London Heathrow
16 Aug
LHR10:20London Heathrow
11h 40m
1 stop
IAD17:00Washington, D.C. Dulles Intl
£661
Scandinavian Airlines
9 Sept
DCA11:00Washington, D.C. Reagan-National
17h 35m
2 stops
LHR09:35London Heathrow
23 Sept
LHR06:40London Heathrow
18h 10m
2 stops
DCA19:50Washington, D.C. Reagan-National
£667

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
4 Aug
IAD18:30Washington, D.C. Dulles Intl
7h 25m
LHR06:55London Heathrow
13 Aug
LHR09:00London Heathrow
15h 25m
1 stop
IAD19:25Washington, D.C. Dulles Intl
£662
United Airlines
10 Sept
IAD18:35Washington, D.C. Dulles Intl
7h 20m
LHR06:55London Heathrow
2 Oct
LHR06:50London Heathrow
11h 40m
1 stop
IAD13:30Washington, D.C. Dulles Intl
£670
United Airlines
8 Oct
IAD18:35Washington, D.C. Dulles Intl
7h 20m
LHR06:55London Heathrow
12 Oct
LHR16:25London Heathrow
32h 00m
1 stop
IAD19:25Washington, D.C. Dulles Intl
£678

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 30 May 2026.
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

Cheapest return flight

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 10/8

20:20-08:25

1 stop31h 05m

London Gatwick

Fri 21/8

09:25-16:45

1 stop12h 20m

£656

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 18/9

18:35-06:55

Nonstop7h 20m

London Heathrow

Mon 5/10

19:30-14:00

1 stop23h 30m

£656

Washington, D.C.London

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 10/8

20:55-12:45

1 stop10h 50m

London Luton

Fri 21/8

06:20-15:45

1 stop14h 25m

£657
Fastest return journey

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 1/10

20:20-13:00

1 stop11h 40m

London Heathrow

Tue 6/10

16:40-20:20

Nonstop8h 40m

£657

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 10/8

08:18-06:30

1 stop17h 12m

London Heathrow

Fri 21/8

09:30-21:18

2 stops16h 48m

£657

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 10/8

12:29-09:30

2 stops16h 01m

London City

Fri 21/8

07:45-15:35

1 stop12h 50m

£658

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 4/8

06:00-06:30

1 stop19h 30m

London Heathrow

Wed 19/8

09:30-15:38

1 stop11h 08m

£659

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 16/11

17:25-20:35

2 stops22h 10m

London Gatwick

Fri 20/11

10:40-20:35

1 stop14h 55m

£659

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 17/8

12:30-09:40

2 stops16h 10m

London Gatwick

Mon 31/8

17:00-16:38

2 stops28h 38m

£662

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 12/9

17:05-09:45

1 stop11h 40m

London Gatwick

Fri 18/9

21:15-15:10

2 stops22h 55m

£663

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 February. Flight prices, which tend to average around £483, 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 February, then departing from District of Columbia during the month January is also very affordable. Most momondo users find prices during this month for around £489.

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 Tuesday. Travellers who choose to depart for United Kingdom on a Tuesday will often find tickets for as low as £547. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to United Kingdom for around £622.

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 afternoon when flights can be purchased for as low as £524. Try not to purchase tickets in the evening because they tend to be around £612. 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 from District of Columbia to the 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 £600 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 £534 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 64% 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

£443

Fastest flight time

7h 10m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from District of Columbia in the past 72 hours is £443. The best return flight deal from District of Columbia to United Kingdom found on momondo in the last 72 hours is £849.
The fastest flight from District of Columbia to United Kingdom takes 7h 10m
Direct flights go from District of Columbia to United Kingdom every day.
There are 1,286 airports in United Kingdom. From District of Columbia there are direct flights to London Heathrow (LHR), Edinburgh Turnhouse (EDI).
Search flight deals

Frequently asked questions about flying from District of Columbia to the United Kingdom

  • 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
8,031 reviews
Search Lufthansa flights
IcelandairPriceFrom £367Free CancellationRating
7.0
661 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £377Free CancellationRating
7.5
689 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £385Free CancellationRating
6.7
8,011 reviews
Search British Airways flights
Aer LingusPriceFrom £446Free CancellationRating
7.3
1,589 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £490Free CancellationRating
7.4
9,767 reviews
Search United Airlines flights
American AirlinesPriceFrom £510Free CancellationRating
7.1
11,642 reviews
Search American 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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Popular flights according to clicks in the last 7 days on momondo
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