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Cheap flights from London Gatwick Airport to District of Columbia from $574

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to District of Columbia departing on 12/23. 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 London Gatwick Airport to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:20 am - 11:36 pm
LGW
-
DCA
17h 16m1 stop
British Airways Logo
5:00 pm - 7:00 pm
DCA
-
LGW
22h 00m2 stops
$621British Airways
Tue, Feb 17 - Tue, Mar 10
Multiple Airlines Logo
8:50 am - 3:35 pm
LGW
-
IAD
11h 45m1 stop
Multiple Airlines Logo
5:05 pm - 11:10 am
IAD
-
LGW
13h 05m1 stop
$621Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 10:55 am
IAD
-
LGW
10h 15m1 stop
$622Icelandair
Tue, Feb 24 - Thu, Mar 5
Multiple Airlines Logo
1:00 pm - 10:59 pm
LGW
-
DCA
14h 59m1 stop
Multiple Airlines Logo
6:00 am - 6:00 am
DCA
-
LGW
19h 00m1 stop
$622Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
TAP AIR PORTUGAL Logo
10:40 am - 10:00 pm
LGW
-
IAD
15h 20m1 stop
TAP AIR PORTUGAL Logo
6:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$624TAP AIR PORTUGAL
Wed, Mar 18 - Tue, Mar 24
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
8:40 pm - 10:55 am
IAD
-
LGW
10h 15m1 stop
$625Icelandair
Wed, Mar 4 - Wed, Mar 11
TAP AIR PORTUGAL Logo
4:35 pm - 9:00 pm
LGW
-
IAD
33h 25m1 stop
TAP AIR PORTUGAL Logo
5:30 pm - 9:50 am
IAD
-
LGW
11h 20m1 stop
$626TAP AIR PORTUGAL
Tue, Jan 13 - Tue, Jan 20
TAP AIR PORTUGAL Logo
10:40 am - 10:00 pm
LGW
-
IAD
15h 20m1 stop
TAP AIR PORTUGAL Logo
11:30 pm - 9:50 am
IAD
-
LGW
30h 20m1 stop
$629TAP AIR PORTUGAL
Fri, Mar 20 - Sun, Mar 22
American Airlines Logo
11:20 am - 8:59 pm
LGW
-
DCA
14h 39m1 stop
American Airlines Logo
11:54 am - 7:30 am
DCA
-
LGW
15h 36m2 stops
$655American Airlines
Tue, Feb 17 - Sun, Mar 15
Iberia Logo
11:45 am - 5:08 pm
LGW
-
DCA
34h 23m2 stops
Iberia Logo
5:45 pm - 7:00 pm
DCA
-
LGW
44h 15m2 stops
$663Iberia
Thu, Jan 22 - Mon, Jan 26

Icelandair flights from London Gatwick Airport to District of Columbia

Our best Icelandair deals on London Gatwick Airport to District of Columbia flight tickets
Icelandair
Feb 24
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 5
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$622
Find similar
Icelandair
Mar 4
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 11
IAD8:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$625
Find similar
Icelandair
Jan 22
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 1
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$631
Find similar

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

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to District of Columbia flight tickets
TAP AIR PORTUGAL
Mar 18
LGW10:40 amLondon Gatwick
15h 20m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
Mar 24
IAD6:30 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
LGW9:50 amLondon Gatwick
$624
Find similar
TAP AIR PORTUGAL
Jan 13
LGW4:35 pmLondon Gatwick
33h 25m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Jan 20
IAD5:30 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
LGW9:50 amLondon Gatwick
$626
Find similar
TAP AIR PORTUGAL
Jan 13
LGW9:20 pmLondon Gatwick
28h 40m
2 stops
IAD9:00 pmWashington, D.C. Dulles Intl
Jan 20
IAD5:30 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
LGW9:50 amLondon Gatwick
$630
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 2/17

11:20 am-11:36 pm

1 stop17h 16m

Washington, D.C. Reagan-National

Tue 3/10

5:00 pm-7:00 pm

2 stops22h 00m

$621

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 1/14

8:50 am-3:35 pm

1 stop11h 45m

Washington, D.C. Dulles Intl

Wed 1/21

5:05 pm-11:10 am

1 stop13h 05m

$621

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 2/24

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 3/5

7:40 pm-10:55 am

1 stop10h 15m

$622

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 1/23

1:00 pm-10:59 pm

1 stop14h 59m

Washington, D.C. Reagan-National

Mon 1/26

6:00 am-6:00 am

1 stop19h 00m

$622

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 3/18

10:40 am-10:00 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Tue 3/24

6:30 pm-9:50 am

1 stop11h 20m

$624

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 3/4

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 3/11

8:40 pm-10:55 am

1 stop10h 15m

$625

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 1/13

4:35 pm-9:00 pm

1 stop33h 25m

Washington, D.C. Dulles Intl

Tue 1/20

5:30 pm-9:50 am

1 stop11h 20m

$626

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 3/20

10:40 am-10:00 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Sun 3/22

11:30 pm-9:50 am

1 stop30h 20m

$629

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 2/17

11:20 am-8:59 pm

1 stop14h 39m

Washington, D.C. Reagan-National

Sun 3/15

11:54 am-7:30 am

2 stops15h 36m

$655

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 1/22

11:45 am-5:08 pm

2 stops34h 23m

Washington, D.C. Reagan-National

Mon 1/26

5:45 pm-7:00 pm

2 stops44h 15m

$663

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 District of Columbia from

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

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 District of Columbia?

In general, April is the cheapest month to fly from London Gatwick Airport to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $576. If you don’t want to visit District of Columbia in April, then you should wait until March to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of $582.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Tuesday when prices can be found for as low as $738. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $812.

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

Flying to District of Columbia from London Gatwick Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $762 when looking at flights departing at noon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $791. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from London Gatwick Airport to District of Columbia takes 11h 35m
There are no direct flights from London Gatwick Airport to District of Columbia. There are no popular flight routes from London Gatwick Airport to District of Columbia.
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  • When did momondo last update prices for flights from London Gatwick Airport to District of Columbia?

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

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

    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 London Gatwick Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to District of Columbia from London which offer a flexible booking policy as well as other useful filters and features.

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

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

Yes. momondo can track prices for London to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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