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Cheap flights from District of Columbia to London 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 London departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:45 - 15:45IAD-LGW
25h 00m2 stops
Multiple Airlines Logo
16:00 - 15:50LGW-IAD
28h 50m2 stops
£416Multiple Airlines
Find Deal
Sun, 16 Nov - Wed, 19 Nov
Aer Lingus Logo
18:05 - 08:05IAD-LHR
10h 00m1 stop
Aer Lingus Logo
12:10 - 19:30LHR-IAD
12h 20m1 stop
£416Aer Lingus
Find Deal
Mon, 27 Oct - Thu, 6 Nov
Icelandair Logo
19:40 - 10:55IAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 - 18:30LGW-IAD
11h 35m1 stop
£417Icelandair
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Thu, 13 Nov - Sat, 22 Nov
Icelandair Logo
19:40 - 19:30IAD-LHR
18h 50m1 stop
Icelandair Logo
20:35 - 18:30LHR-IAD
26h 55m1 stop
£417Icelandair
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Sun, 7 Dec - Mon, 22 Dec
TAP AIR PORTUGAL Logo
17:30 - 15:50IAD-LGW
17h 20m1 stop
TAP AIR PORTUGAL Logo
16:35 - 21:00LGW-IAD
33h 25m1 stop
£418TAP AIR PORTUGAL
Find Deal
Thu, 15 Jan - Tue, 20 Jan
TAP AIR PORTUGAL Logo
17:30 - 15:50IAD-LGW
17h 20m1 stop
TAP AIR PORTUGAL Logo
10:40 - 21:00LGW-IAD
15h 20m1 stop
£420TAP AIR PORTUGAL
Find Deal
Thu, 11 Dec - Fri, 26 Dec
Scandinavian Airlines Logo
20:30 - 17:40IAD-LHR
16h 10m1 stop
Scandinavian Airlines Logo
06:40 - 18:15LHR-IAD
15h 35m2 stops
£421Scandinavian Airlines
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Mon, 2 Mar - Mon, 9 Mar
Virgin Atlantic Logo
22:20 - 10:50IAD-LHR
7h 30mdirect
Virgin Atlantic Logo
09:00 - 16:35LHR-IAD
12h 35m1 stop
£421Virgin Atlantic
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Mon, 24 Nov - Wed, 10 Dec
Scandinavian Airlines Logo
20:30 - 16:25IAD-LHR
14h 55m2 stops
Scandinavian Airlines Logo
06:40 - 17:15LHR-IAD
15h 35m1 stop
£422Scandinavian Airlines
Find Deal
Wed, 10 Dec - Mon, 15 Dec
Virgin Atlantic Logo
22:20 - 10:50IAD-LHR
7h 30mdirect
Virgin Atlantic Logo
06:30 - 16:05LHR-IAD
14h 35m1 stop
£430Virgin Atlantic
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Mon, 17 Nov - Wed, 3 Dec

SWISS flights from District of Columbia to London

Our best SWISS deals on District of Columbia to London flight tickets
SWISS
2 Nov
IAD20:30Washington, D.C. Dulles Intl
14h 50m
1 stop
LHR16:20London Heathrow
11 Nov
LHR06:00London Heathrow
15h 40m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£428
Find similar
SWISS
29 Dec
IAD20:30Washington, D.C. Dulles Intl
15h 35m
1 stop
LCY17:05London City
7 Jan
LCY17:45London City
27h 55m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£430
Find similar
SWISS
22 Oct
IAD20:45Washington, D.C. Dulles Intl
16h 10m
1 stop
LGW17:55London Gatwick
27 Oct
LGW18:40London Gatwick
27h 00m
1 stop
IAD17:40Washington, D.C. Dulles Intl
£440
Find similar

JetBlue flights from District of Columbia to London

Our best JetBlue deals on District of Columbia to London flight tickets
JetBlue
29 Nov
DCA06:05Washington, D.C. Reagan-National
10h 55m
1 stop
LHR22:00London Heathrow
6 Dec
LHR12:20London Heathrow
15h 38m
1 stop
DCA22:58Washington, D.C. Reagan-National
£471
Find similar
JetBlue
25 Oct
DCA06:25Washington, D.C. Reagan-National
9h 20m
1 stop
LHR20:45London Heathrow
17 Nov
LHR08:05London Heathrow
11h 31m
1 stop
DCA14:36Washington, D.C. Reagan-National
£476
Find similar
JetBlue
24 Oct
DCA06:25Washington, D.C. Reagan-National
9h 20m
1 stop
LHR20:45London Heathrow
17 Nov
LHR08:05London Heathrow
11h 31m
1 stop
DCA14:36Washington, D.C. Reagan-National
£477
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to London 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 17 October 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 16/11

09:45-15:45

2 stops25h 00m

London Gatwick

Wed 19/11

16:00-15:50

2 stops28h 50m

£416

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 27/10

18:05-08:05

1 stop10h 00m

London Heathrow

Thu 6/11

12:10-19:30

1 stop12h 20m

£416

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 13/11

19:40-10:55

1 stop10h 15m

London Gatwick

Sat 22/11

11:55-18:30

1 stop11h 35m

£417

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 7/12

19:40-19:30

1 stop18h 50m

London Heathrow

Mon 22/12

20:35-18:30

1 stop26h 55m

£417

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 15/1

17:30-15:50

1 stop17h 20m

London Gatwick

Tue 20/1

16:35-21:00

1 stop33h 25m

£418

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 11/12

17:30-15:50

1 stop17h 20m

London Gatwick

Fri 26/12

10:40-21:00

1 stop15h 20m

£420

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 2/3

20:30-17:40

1 stop16h 10m

London Heathrow

Mon 9/3

06:40-18:15

2 stops15h 35m

£421

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 24/11

22:20-10:50

Nonstop7h 30m

London Heathrow

Wed 10/12

09:00-16:35

1 stop12h 35m

£421

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 10/12

20:30-16:25

2 stops14h 55m

London Heathrow

Mon 15/12

06:40-17:15

1 stop15h 35m

£422

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 17/11

22:20-10:50

Nonstop7h 30m

London Heathrow

Wed 3/12

06:30-16:05

1 stop14h 35m

£430

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 London from

How to get the cheapest flight ticket from District of Columbia to London

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 London?

The cheapest month to fly to London 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. The month of January is another great option to travel to London, with average flight prices from District of Columbia averaging around £488.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £525. 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 London for around £641.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £576. Flights at midday are often more expensive, with an average ticket price of £1,425.

What is the cheapest District of Columbia to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £565 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from District of Columbia for as low as £525 on momondo.

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

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

Cheap District of Columbia to London flight deals and tips

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

Best price found

£280

Fastest flight time

7h 10m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from District of Columbia in the past 72 hours is £280. The best return flight deal from District of Columbia to London found on momondo in the last 72 hours is £510.
The fastest flight from District of Columbia to London takes 7h 10m
Direct flights go from District of Columbia to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to London?

    Prices for flights from District of Columbia to London refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from District of Columbia to London

Compare and see reviews for airlines that fly from District of Columbia to London with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £309Free CancellationRating
6.8
7,502 reviews
Search Lufthansa flights
IcelandairPriceFrom £368Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £381Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £385Free CancellationRating
6.7
7,459 reviews
Search British Airways flights
Air FrancePriceFrom £397Free CancellationRating
7.4
1,477 reviews
Search Air France flights
IberiaPriceFrom £457Free CancellationRating
7.0
2,995 reviews
Search Iberia flights
KLMPriceFrom £504Free CancellationRating
7.7
1,404 reviews
Search KLM flights
American AirlinesPriceFrom £513Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom £523Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

It is quick and easy to find District of Columbia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for District of Columbia to London flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from District of Columbia to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from District of Columbia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport