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Cheap flights from District of Columbia to London from $361

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 10:40 pm
IAD
-
LGW
21h 10m
2 stops
Multiple Airlines Logo
5:55 am - 10:15 pm
LGW
-
IAD
21h 20m
2 stops
$686Multiple Airlines
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
5:15 pm - 11:20 pm
IAD
-
LGW
25h 05m
2 stops
Multiple Airlines Logo
7:30 am - 7:35 pm
LGW
-
IAD
17h 05m
2 stops
$693Multiple Airlines
Tue, May 12 - Tue, May 19
Icelandair Logo
8:30 pm - 2:40 pm
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
3:40 pm - 7:20 pm
LGW
-
IAD
32h 40m
1 stop
$701Icelandair
Sat, Sep 26 - Tue, Oct 6
Multiple Airlines Logo
8:30 pm - 8:30 am
IAD
-
LGW
31h 00m
3 stops
Multiple Airlines Logo
5:55 am - 10:15 pm
LGW
-
IAD
21h 20m
2 stops
$703Multiple Airlines
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
11:20 pm - 6:00 pm
IAD
-
LGW
13h 40m
2 stops
Multiple Airlines Logo
10:00 pm - 8:29 pm
LGW
-
IAD
27h 29m
3 stops
$704Multiple Airlines
Fri, May 8 - Fri, May 15
Turkish Airlines Logo
1:20 pm - 9:55 am
IAD
-
LGW
15h 35m
1 stop
Turkish Airlines Logo
5:35 pm - 11:35 am
LGW
-
IAD
23h 00m
1 stop
$705Turkish Airlines
Tue, Sep 22 - Tue, Oct 6
Multiple Airlines Logo
8:30 pm - 8:20 am
IAD
-
LGW
30h 50m
3 stops
Multiple Airlines Logo
5:55 am - 10:15 pm
LGW
-
IAD
21h 20m
2 stops
$706Multiple Airlines
Tue, May 5 - Wed, May 13
Multiple Airlines Logo
8:30 pm - 10:35 pm
IAD
-
LGW
21h 05m
2 stops
Multiple Airlines Logo
5:55 am - 10:15 pm
LGW
-
IAD
21h 20m
2 stops
$707Multiple Airlines
Tue, May 5 - Wed, May 13
Turkish Airlines Logo
1:20 pm - 9:55 am
IAD
-
LGW
15h 35m
1 stop
Turkish Airlines Logo
5:35 pm - 11:35 am
LGW
-
IAD
23h 00m
1 stop
$708Turkish Airlines
Tue, Sep 22 - Tue, Sep 29
Icelandair Logo
8:30 pm - 2:40 pm
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
1:00 pm - 7:20 pm
LGW
-
IAD
11h 20m
1 stop
$711Icelandair
Thu, May 14 - Tue, Jun 2

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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
Sep 26
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
Oct 6
LGW3:40 pmLondon Gatwick
32h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$701
Icelandair
May 14
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
Jun 2
LGW1:00 pmLondon Gatwick
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$711
Icelandair
May 18
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
Jun 2
LGW1:00 pmLondon Gatwick
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$715

British Airways flights from District of Columbia to London Gatwick Airport

Our best British Airways deals on District of Columbia to London Gatwick Airport flight tickets
British Airways
Apr 27
DCA3:10 pmWashington, D.C. Reagan-National
14h 00m
1 stop
LGW10:10 amLondon Gatwick
May 6
LGW10:45 amLondon Gatwick
17h 49m
1 stop
DCA11:34 pmWashington, D.C. Reagan-National
$851
British Airways
May 13
DCA11:17 amWashington, D.C. Reagan-National
14h 33m
1 stop
LGW6:50 amLondon Gatwick
May 19
LGW10:45 amLondon Gatwick
15h 15m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
$852
British Airways
May 6
DCA3:10 pmWashington, D.C. Reagan-National
14h 30m
1 stop
LGW10:40 amLondon Gatwick
May 20
LGW10:45 amLondon Gatwick
17h 44m
1 stop
DCA11:29 pmWashington, D.C. Reagan-National
$853

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated April 17, 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

Cheapest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-10:40 pm

2 stops21h 10m

London Gatwick

Wed 5/13

5:55 am-10:15 pm

2 stops21h 20m

$686

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 5/12

5:15 pm-11:20 pm

2 stops25h 05m

London Gatwick

Tue 5/19

7:30 am-7:35 pm

2 stops17h 05m

$693

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 9/26

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Tue 10/6

3:40 pm-7:20 pm

1 stop32h 40m

$701

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-8:30 am

3 stops31h 00m

London Gatwick

Wed 5/13

5:55 am-10:15 pm

2 stops21h 20m

$703

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 5/8

11:20 pm-6:00 pm

2 stops13h 40m

London Gatwick

Fri 5/15

10:00 pm-8:29 pm

3 stops27h 29m

$704

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/22

1:20 pm-9:55 am

1 stop15h 35m

London Gatwick

Tue 10/6

5:35 pm-11:35 am

1 stop23h 00m

$705

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-8:20 am

3 stops30h 50m

London Gatwick

Wed 5/13

5:55 am-10:15 pm

2 stops21h 20m

$706

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 5/5

8:30 pm-10:35 pm

2 stops21h 05m

London Gatwick

Wed 5/13

5:55 am-10:15 pm

2 stops21h 20m

$707

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/22

1:20 pm-9:55 am

1 stop15h 35m

London Gatwick

Tue 9/29

5:35 pm-11:35 am

1 stop23h 00m

$708
Quickest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 5/14

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Tue 6/2

1:00 pm-7:20 pm

1 stop11h 20m

$711

Flights are sorted by cheapest round-trip 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 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 airline that flies from District of Columbia to London Gatwick?

TAP AIR PORTUGAL, Air Europa, and Icelandair are the most popular carriers operating from District of Columbia to London Gatwick

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.
Search flight deals

Frequently asked questions about flying from District of Columbia to London Gatwick Airport

  • 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 are updated daily.

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

  • 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 required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable 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
TAP AIR PORTUGALPriceFrom $309Free CancellationRating
7.1
2,205 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $487Free CancellationRating
7.0
634 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Hayes
Slough
Crawley
Wembley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford
Richmond

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to London. momondo saves you time and could save you money on your trip.

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

Flights from District of Columbia to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

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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