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Cheap flights from District of Columbia to London from $329

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 5/8. 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 London

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$570Icelandair
Fri, Apr 24 - Sun, May 3
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
$571Icelandair
Sat, Apr 18 - Mon, Apr 27
Multiple Airlines Logo
8:30 pm - 7:15 pm
IAD
-
LGW
17h 45m
2 stops
Multiple Airlines Logo
7:05 pm - 7:20 pm
LGW
-
IAD
29h 15m
3 stops
$572Multiple Airlines
Tue, Apr 14 - Mon, Apr 20
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
$573Icelandair
Wed, Apr 29 - Mon, May 11
TAP AIR PORTUGAL Logo
10:35 pm - 9:45 am
IAD
-
LGW
30h 10m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 3:10 pm
LGW
-
IAD
22h 55m
2 stops
$575TAP AIR PORTUGAL
Sat, Apr 25 - Mon, May 4
TAP AIR PORTUGAL Logo
10:35 pm - 9:45 am
IAD
-
LGW
30h 10m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 3:10 pm
LGW
-
IAD
22h 55m
2 stops
$576TAP AIR PORTUGAL
Sat, Apr 25 - Mon, May 4
Multiple Airlines Logo
8:30 pm - 2:55 pm
IAD
-
LGW
13h 25m
2 stops
Multiple Airlines Logo
2:00 pm - 7:27 am
LGW
-
IAD
22h 27m
1 stop
$578Multiple Airlines
Fri, Apr 24 - Sat, May 9
JetBlue Logo
1:25 pm - 9:35 am
DCA
-
LGW
15h 10m
1 stop
JetBlue Logo
12:20 pm - 9:50 pm
LGW
-
DCA
14h 30m
1 stop
$648JetBlue
Mon, Aug 24 - Mon, Aug 31
JetBlue Logo
1:25 pm - 9:35 am
DCA
-
LGW
15h 10m
1 stop
JetBlue Logo
12:20 pm - 9:50 pm
LGW
-
DCA
14h 30m
1 stop
$650JetBlue
Thu, Aug 20 - Mon, Aug 31
American Airlines Logo
7:29 am - 8:40 am
DCA
-
LGW
20h 11m
1 stop
American Airlines Logo
12:20 pm - 11:59 pm
LGW
-
DCA
16h 39m
2 stops
$662American Airlines
Tue, Apr 21 - Thu, Apr 30

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
Apr 24
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
May 8
LGW3:40 pmLondon Gatwick
11h 35m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
$570
Icelandair
Apr 18
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
Apr 27
LGW3:40 pmLondon Gatwick
32h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$571
Icelandair
Apr 29
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
May 11
LGW3:40 pmLondon Gatwick
32h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$573

Turkish Airlines flights from District of Columbia to London Gatwick Airport

Our best Turkish Airlines deals on District of Columbia to London Gatwick Airport flight tickets
Turkish Airlines
Mar 11
IAD2:30 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
LGW4:10 pmLondon Gatwick
Mar 18
LGW6:25 amLondon Gatwick
17h 55m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$652
Turkish Airlines
Mar 4
IAD1:30 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
LGW4:10 pmLondon Gatwick
Mar 9
LGW6:20 amLondon Gatwick
18h 00m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$662
Turkish Airlines
Mar 15
IAD2:30 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
LGW4:10 pmLondon Gatwick
Mar 24
LGW5:05 pmLondon Gatwick
23h 40m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$665

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 March 2, 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

Fri 4/24

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Sun 5/3

1:00 pm-7:20 pm

1 stop11h 20m

$570

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 4/18

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Mon 4/27

3:40 pm-7:20 pm

1 stop32h 40m

$571

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 4/14

8:30 pm-7:15 pm

2 stops17h 45m

London Gatwick

Mon 4/20

7:05 pm-7:20 pm

3 stops29h 15m

$572

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 4/29

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Mon 5/11

3:40 pm-7:20 pm

1 stop32h 40m

$573

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 4/25

10:35 pm-9:45 am

1 stop30h 10m

London Gatwick

Mon 5/4

9:15 pm-3:10 pm

2 stops22h 55m

$575

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 4/25

10:35 pm-9:45 am

1 stop30h 10m

London Gatwick

Mon 5/4

9:15 pm-3:10 pm

2 stops22h 55m

$576

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 4/24

8:30 pm-2:55 pm

2 stops13h 25m

London Gatwick

Sat 5/9

2:00 pm-7:27 am

1 stop22h 27m

$578

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 8/24

1:25 pm-9:35 am

1 stop15h 10m

London Gatwick

Mon 8/31

12:20 pm-9:50 pm

1 stop14h 30m

$648

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 8/20

1:25 pm-9:35 am

1 stop15h 10m

London Gatwick

Mon 8/31

12:20 pm-9:50 pm

1 stop14h 30m

$650

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 4/21

7:29 am-8:40 am

1 stop20h 11m

London Gatwick

Thu 4/30

12:20 pm-11:59 pm

2 stops16h 39m

$662

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?

Icelandair, TAP AIR PORTUGAL, and JetBlue 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

  • 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
IcelandairPriceFrom $487Free CancellationRating
7.1
617 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
Slough
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
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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