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Cheap flights from District of Columbia to London from £264

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 26/2. 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 District of Columbia to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:45 - 17:50IAD-LGW
27h 05m2 stops
Multiple Airlines Logo
18:40 - 16:40LGW-IAD
27h 00m1 stop
£441Multiple Airlines
Find Deal
Mon, 12 Jan - Mon, 19 Jan
TAP AIR PORTUGAL Logo
17:30 - 09:50IAD-LGW
11h 20m1 stop
TAP AIR PORTUGAL Logo
09:05 - 21:00LGW-IAD
16h 55m2 stops
£442TAP AIR PORTUGAL
Find Deal
Thu, 29 Jan - Sun, 1 Feb
Icelandair Logo
19:40 - 10:55IAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 - 18:30LGW-IAD
11h 35m1 stop
£443Icelandair
Find Deal
Tue, 6 Jan - Mon, 12 Jan
Multiple Airlines Logo
11:05 - 19:45DCA-LGW
27h 40m3 stops
Multiple Airlines Logo
20:30 - 21:58LGW-DCA
30h 28m3 stops
£443Multiple Airlines
Find Deal
Wed, 14 Jan - Tue, 20 Jan
Icelandair Logo
19:40 - 10:55IAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 - 18:30LGW-IAD
11h 35m1 stop
£443Icelandair
Find Deal
Mon, 5 Jan - Mon, 12 Jan
British Airways Logo
11:15 - 07:30DCA-LGW
15h 15m1 stop
British Airways Logo
11:20 - 23:36LGW-DCA
17h 16m1 stop
£445British Airways
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Fri, 27 Feb - Wed, 4 Mar
British Airways Logo
08:19 - 07:30DCA-LGW
18h 11m1 stop
British Airways Logo
11:20 - 23:25LGW-DCA
17h 05m1 stop
£446British Airways
Find Deal
Mon, 15 Dec - Thu, 15 Jan
SWISS Logo
18:10 - 17:50IAD-LGW
18h 40m2 stops
SWISS Logo
18:40 - 15:10LGW-IAD
25h 30m1 stop
£447SWISS
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Wed, 14 Jan - Wed, 21 Jan
American Airlines Logo
08:20 - 07:30DCA-LGW
18h 10m1 stop
American Airlines Logo
12:30 - 00:34LGW-DCA
17h 04m2 stops
£468American Airlines
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Thu, 22 Jan - Thu, 29 Jan
American Airlines Logo
11:38 - 09:00DCA-LGW
16h 22m2 stops
American Airlines Logo
11:20 - 09:10LGW-DCA
26h 50m1 stop
£468American Airlines
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Mon, 12 Jan - Mon, 19 Jan

TAP AIR PORTUGAL flights from District of Columbia to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on District of Columbia to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
29 Jan
IAD17:30Washington, D.C. Dulles Intl
11h 20m
1 stop
LGW09:50London Gatwick
1 Feb
LGW09:05London Gatwick
16h 55m
2 stops
IAD21:00Washington, D.C. Dulles Intl
£442
Find similar
TAP AIR PORTUGAL
31 Jan
IAD17:30Washington, D.C. Dulles Intl
22h 10m
2 stops
LGW20:40London Gatwick
8 Feb
LGW10:40London Gatwick
33h 35m
1 stop
IAD15:15Washington, D.C. Dulles Intl
£445
Find similar
TAP AIR PORTUGAL
12 Feb
IAD17:30Washington, D.C. Dulles Intl
22h 10m
2 stops
LGW20:40London Gatwick
18 Feb
LGW10:40London Gatwick
15h 20m
1 stop
IAD21:00Washington, D.C. Dulles Intl
£447
Find similar

Icelandair flights from District of Columbia to London Gatwick Airport

Our best Icelandair deals on District of Columbia to London Gatwick Airport flight tickets
Icelandair
6 Jan
IAD19:40Washington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55London Gatwick
12 Jan
LGW11:55London Gatwick
11h 35m
1 stop
IAD18:30Washington, D.C. Dulles Intl
£443
Find similar
Icelandair
5 Jan
IAD19:40Washington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55London Gatwick
12 Jan
LGW11:55London Gatwick
11h 35m
1 stop
IAD18:30Washington, D.C. Dulles Intl
£443
Find similar
Icelandair
31 Dec
IAD19:40Washington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55London Gatwick
14 Jan
LGW11:55London Gatwick
11h 35m
1 stop
IAD18:30Washington, D.C. Dulles Intl
£444
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to London Gatwick Airport 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 November 2025.
Use the filters below to find and compare flights from District of Columbia to London Gatwick Airport 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

Mon 12/1

09:45-17:50

2 stops27h 05m

London Gatwick

Mon 19/1

18:40-16:40

1 stop27h 00m

£441

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 29/1

17:30-09:50

1 stop11h 20m

London Gatwick

Sun 1/2

09:05-21:00

2 stops16h 55m

£442

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 6/1

19:40-10:55

1 stop10h 15m

London Gatwick

Mon 12/1

11:55-18:30

1 stop11h 35m

£443

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 14/1

11:05-19:45

3 stops27h 40m

London Gatwick

Tue 20/1

20:30-21:58

3 stops30h 28m

£443

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 5/1

19:40-10:55

1 stop10h 15m

London Gatwick

Mon 12/1

11:55-18:30

1 stop11h 35m

£443

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Fri 27/2

11:15-07:30

1 stop15h 15m

London Gatwick

Wed 4/3

11:20-23:36

1 stop17h 16m

£445

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 15/12

08:19-07:30

1 stop18h 11m

London Gatwick

Thu 15/1

11:20-23:25

1 stop17h 05m

£446

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 14/1

18:10-17:50

2 stops18h 40m

London Gatwick

Wed 21/1

18:40-15:10

1 stop25h 30m

£447

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 22/1

08:20-07:30

1 stop18h 10m

London Gatwick

Thu 29/1

12:30-00:34

2 stops17h 04m

£468

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 12/1

11:38-09:00

2 stops16h 22m

London Gatwick

Mon 19/1

11:20-09:10

1 stop26h 50m

£468

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from District of Columbia to London Gatwick Airport

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 Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from District of Columbia is in January. Flight prices, which tend to average around £420, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in January, then you should wait until November to fly from District of Columbia, when ticket prices are also cheap, with an average price of £442.

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

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from District of Columbia. The lowest ticket price found for a Thursday departure recently was £631. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from District of Columbia to London Gatwick Airport on a Saturday will generally be more expensive and average around £838. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap District of Columbia to London Gatwick Airport flight deals and tips

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

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from District of Columbia to London Gatwick Airport takes 10h 05m
There are no direct flights from District of Columbia to London Gatwick Airport. There are no popular flight routes from District of Columbia to London Gatwick Airport.
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  • When did momondo last update prices for flights from District of Columbia to London Gatwick Airport?

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

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

    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 from District of Columbia to London Gatwick Airport.

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

    The necessary travel and health documents for your London Gatwick Airport 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.

Best airlines flying from District of Columbia to London Gatwick Airport

Compare and see reviews for airlines that fly from District of Columbia to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £561Free CancellationRating
7.0
584 reviews
Search Icelandair 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
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Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Dover
Chelmsford
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Worthing
Bedford
Ramsgate
Hounslow
Stansted

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from District of Columbia.

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?

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

Of course. momondo tracks the price of District of Columbia to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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