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Cheap flights from District of Columbia to London from £274

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 20/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:30 - 14:40
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
15:40 - 19:20
LGW
-
IAD
32h 40m
1 stop
£393Icelandair
Sun, 3 May - Mon, 11 May
TAP AIR PORTUGAL Logo
17:30 - 09:50
IAD
-
LGW
11h 20m
1 stop
TAP AIR PORTUGAL Logo
21:25 - 15:15
LGW
-
IAD
22h 50m
2 stops
£394TAP AIR PORTUGAL
Thu, 29 Jan - Sun, 8 Feb
TAP AIR PORTUGAL Logo
18:30 - 09:50
IAD
-
LGW
11h 20m
1 stop
TAP AIR PORTUGAL Logo
16:35 - 15:35
LGW
-
IAD
27h 00m
1 stop
£395TAP AIR PORTUGAL
Thu, 19 Mar - Mon, 23 Mar
Multiple Airlines Logo
17:05 - 17:20
IAD
-
LGW
19h 15m
1 stop
Multiple Airlines Logo
09:00 - 15:35
LGW
-
IAD
11h 35m
1 stop
£398Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
Icelandair Logo
20:30 - 14:40
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
15:40 - 19:20
LGW
-
IAD
32h 40m
1 stop
£398Icelandair
Mon, 13 Apr - Mon, 20 Apr
Icelandair Logo
20:30 - 14:40
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
15:40 - 19:20
LGW
-
IAD
32h 40m
1 stop
£399Icelandair
Wed, 8 Apr - Sun, 12 Apr
Icelandair Logo
20:40 - 10:55
IAD
-
LGW
10h 15m
1 stop
Icelandair Logo
15:40 - 19:20
LGW
-
IAD
32h 40m
1 stop
£400Icelandair
Sat, 21 Mar - Sat, 30 May
Icelandair Logo
20:30 - 14:40
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
15:40 - 22:30
LGW
-
IAD
11h 50m
1 stop
£401Icelandair
Wed, 29 Apr - Fri, 8 May
British Airways Logo
11:35 - 07:30
DCA
-
LGW
14h 55m
1 stop
British Airways Logo
11:20 - 23:42
LGW
-
DCA
17h 22m
1 stop
£420British Airways
Wed, 18 Feb - Tue, 24 Feb
British Airways Logo
13:44 - 16:20
DCA
-
LGW
21h 36m
2 stops
British Airways Logo
11:20 - 23:25
LGW
-
DCA
17h 05m
1 stop
£425British Airways
Wed, 28 Jan - Tue, 3 Feb

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
20 Jan
IAD17:30Washington, D.C. Dulles Intl
17h 15m
1 stop
LGW15:45London Gatwick
25 Jan
LGW21:25London Gatwick
22h 50m
2 stops
IAD15:15Washington, D.C. Dulles Intl
£394
TAP AIR PORTUGAL
19 Mar
IAD18:30Washington, D.C. Dulles Intl
11h 20m
1 stop
LGW09:50London Gatwick
23 Mar
LGW16:35London Gatwick
27h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
£395
TAP AIR PORTUGAL
19 Jan
IAD17:30Washington, D.C. Dulles Intl
11h 20m
1 stop
LGW09:50London Gatwick
27 Jan
LGW21:20London Gatwick
28h 40m
2 stops
IAD21:00Washington, D.C. Dulles Intl
£399

American Airlines flights from District of Columbia to London Gatwick Airport

Our best American Airlines deals on District of Columbia to London Gatwick Airport flight tickets
American Airlines
24 Feb
DCA08:47Washington, D.C. Reagan-National
17h 43m
2 stops
LGW07:30London Gatwick
3 Mar
LGW11:20London Gatwick
31h 18m
1 stop
DCA13:38Washington, D.C. Reagan-National
£462
American Airlines
17 Feb
DCA09:35Washington, D.C. Reagan-National
16h 55m
2 stops
LGW07:30London Gatwick
25 Feb
LGW11:20London Gatwick
18h 16m
2 stops
DCA00:36Washington, D.C. Reagan-National
£462
American Airlines
30 Jan
DCA06:30Washington, D.C. Reagan-National
20h 00m
1 stop
LGW07:30London Gatwick
6 Feb
LGW11:20London Gatwick
15h 04m
1 stop
DCA21:24Washington, D.C. Reagan-National
£504

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 13 January 2026.
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

Sun 3/5

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 11/5

15:40-19:20

1 stop32h 40m

£393

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 8/2

21:25-15:15

2 stops22h 50m

£394

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 19/3

18:30-09:50

1 stop11h 20m

London Gatwick

Mon 23/3

16:35-15:35

1 stop27h 00m

£395

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/2

17:05-17:20

1 stop19h 15m

London Gatwick

Mon 16/2

09:00-15:35

1 stop11h 35m

£398

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 13/4

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 20/4

15:40-19:20

1 stop32h 40m

£398

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 8/4

20:30-14:40

1 stop13h 10m

London Gatwick

Sun 12/4

15:40-19:20

1 stop32h 40m

£399

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 21/3

20:40-10:55

1 stop10h 15m

London Gatwick

Sat 30/5

15:40-19:20

1 stop32h 40m

£400

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 29/4

20:30-14:40

1 stop13h 10m

London Gatwick

Fri 8/5

15:40-22:30

1 stop11h 50m

£401

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 18/2

11:35-07:30

1 stop14h 55m

London Gatwick

Tue 24/2

11:20-23:42

1 stop17h 22m

£420

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 28/1

13:44-16:20

2 stops21h 36m

London Gatwick

Tue 3/2

11:20-23:25

1 stop17h 05m

£425

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

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 £401, 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 £435.

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

9h 50m

Direct flights

None
The fastest flight from District of Columbia to London Gatwick Airport takes 9h 50m
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.

Travelling to a place near London?

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

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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