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Cheap flights from London Gatwick Airport to Washington, D.C. from $547

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 Washington, D.C. departing on 7/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Gatwick Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
12:20 pm - 7:56 pm
LGW
-
DCA
12h 36m
1 stop
JetBlue Logo
5:00 pm - 9:35 am
DCA
-
LGW
11h 35m
1 stop
$654JetBlue
Fri, Aug 28 - Mon, Sep 7
Iberia Logo
12:20 pm - 9:30 pm
LGW
-
DCA
14h 10m
1 stop
Iberia Logo
6:52 am - 8:40 am
DCA
-
LGW
20h 48m
2 stops
$656Iberia
Fri, Aug 28 - Fri, Sep 4
Multiple Airlines Logo
12:20 pm - 8:51 pm
LGW
-
DCA
13h 31m
1 stop
Multiple Airlines Logo
10:23 am - 10:40 am
DCA
-
LGW
19h 17m
1 stop
$663Multiple Airlines
Sat, Jun 27 - Tue, Jun 30
Multiple Airlines Logo
12:20 pm - 9:25 pm
LGW
-
DCA
14h 05m
1 stop
Multiple Airlines Logo
11:25 am - 10:40 am
DCA
-
LGW
18h 15m
1 stop
$664Multiple Airlines
Thu, Jul 9 - Thu, Jul 16
Virgin Atlantic Logo
10:25 am - 11:04 pm
LGW
-
DCA
17h 39m
2 stops
Virgin Atlantic Logo
5:00 pm - 4:00 pm
DCA
-
LGW
18h 00m
2 stops
$666Virgin Atlantic
Wed, Oct 7 - Mon, Oct 12
JetBlue Logo
12:20 pm - 7:57 am
LGW
-
DCA
24h 37m
1 stop
JetBlue Logo
8:44 am - 9:35 am
DCA
-
LGW
19h 51m
1 stop
$671JetBlue
Sat, Jul 4 - Tue, Jul 21
JetBlue Logo
12:20 pm - 7:57 am
LGW
-
DCA
24h 37m
1 stop
JetBlue Logo
5:59 pm - 9:35 am
DCA
-
LGW
10h 36m
1 stop
$673JetBlue
Sat, Jul 4 - Thu, Jul 16
JetBlue Logo
12:20 pm - 7:56 pm
LGW
-
DCA
12h 36m
1 stop
JetBlue Logo
2:00 pm - 9:35 am
DCA
-
LGW
14h 35m
1 stop
$677JetBlue
Wed, Sep 2 - Mon, Sep 7
JetBlue Logo
12:20 pm - 7:59 pm
LGW
-
DCA
12h 39m
1 stop
JetBlue Logo
5:47 pm - 9:35 am
DCA
-
LGW
10h 48m
1 stop
$678JetBlue
Wed, Jul 8 - Sat, Jul 18
Iberia Logo
11:30 am - 11:14 pm
LGW
-
DCA
16h 44m
2 stops
Iberia Logo
2:54 pm - 8:00 pm
DCA
-
LGW
24h 06m
2 stops
$679Iberia
Wed, Jul 1 - Wed, Jul 8

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JetBlue flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport

Our best JetBlue deals on London Gatwick Airport to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Aug 28
LGW12:20 pmLondon Gatwick
12h 36m
1 stop
DCA7:56 pmWashington, D.C. Reagan-National
Sep 7
DCA5:00 pmWashington, D.C. Reagan-National
11h 35m
1 stop
LGW9:35 amLondon Gatwick
$654
JetBlue
Jul 4
LGW12:20 pmLondon Gatwick
24h 37m
1 stop
DCA7:57 amWashington, D.C. Reagan-National
Jul 21
DCA8:44 amWashington, D.C. Reagan-National
19h 51m
1 stop
LGW9:35 amLondon Gatwick
$671
JetBlue
Jul 4
LGW12:20 pmLondon Gatwick
24h 37m
1 stop
DCA7:57 amWashington, D.C. Reagan-National
Jul 16
DCA5:59 pmWashington, D.C. Reagan-National
10h 36m
1 stop
LGW9:35 amLondon Gatwick
$673

British Airways flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport

Our best British Airways deals on London Gatwick Airport to Washington, D.C. Reagan-National Airport flight tickets
British Airways
Jun 18
LGW8:40 pmLondon Gatwick
43h 17m
2 stops
DCA10:57 amWashington, D.C. Reagan-National
Jul 7
DCA6:30 amWashington, D.C. Reagan-National
23h 20m
2 stops
LGW10:50 amLondon Gatwick
$654
British Airways
Jun 29
LGW2:00 pmLondon Gatwick
14h 26m
1 stop
DCA11:26 pmWashington, D.C. Reagan-National
Jul 18
DCA4:59 pmWashington, D.C. Reagan-National
12h 41m
1 stop
LGW10:40 amLondon Gatwick
$712
British Airways
Jun 19
LGW11:30 amLondon Gatwick
16h 44m
2 stops
DCA11:14 pmWashington, D.C. Reagan-National
Jul 5
DCA7:25 pmWashington, D.C. Reagan-National
34h 25m
2 stops
LGW10:50 amLondon Gatwick
$809

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to Washington, D.C. Reagan-National 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 June 15, 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 8/28

12:20 pm-7:56 pm

1 stop12h 36m

Washington, D.C. Reagan-National

Mon 9/7

5:00 pm-9:35 am

1 stop11h 35m

$654

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 8/28

12:20 pm-9:30 pm

1 stop14h 10m

Washington, D.C. Reagan-National

Fri 9/4

6:52 am-8:40 am

2 stops20h 48m

$656

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/27

12:20 pm-8:51 pm

1 stop13h 31m

Washington, D.C. Reagan-National

Tue 6/30

10:23 am-10:40 am

1 stop19h 17m

$663

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 7/9

12:20 pm-9:25 pm

1 stop14h 05m

Washington, D.C. Reagan-National

Thu 7/16

11:25 am-10:40 am

1 stop18h 15m

$664

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/7

10:25 am-11:04 pm

2 stops17h 39m

Washington, D.C. Reagan-National

Mon 10/12

5:00 pm-4:00 pm

2 stops18h 00m

$666

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 7/4

12:20 pm-7:57 am

1 stop24h 37m

Washington, D.C. Reagan-National

Tue 7/21

8:44 am-9:35 am

1 stop19h 51m

$671

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 7/4

12:20 pm-7:57 am

1 stop24h 37m

Washington, D.C. Reagan-National

Thu 7/16

5:59 pm-9:35 am

1 stop10h 36m

$673

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 9/2

12:20 pm-7:56 pm

1 stop12h 36m

Washington, D.C. Reagan-National

Mon 9/7

2:00 pm-9:35 am

1 stop14h 35m

$677
Quickest round-trip

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 7/8

12:20 pm-7:59 pm

1 stop12h 39m

Washington, D.C. Reagan-National

Sat 7/18

5:47 pm-9:35 am

1 stop10h 48m

$678

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 7/1

11:30 am-11:14 pm

2 stops16h 44m

Washington, D.C. Reagan-National

Wed 7/8

2:54 pm-8:00 pm

2 stops24h 06m

$679

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 Washington, D.C. from

How to get the cheapest flight ticket from London Gatwick Airport to Washington, D.C. Reagan-National 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 London Gatwick to Washington, D.C. Reagan-National?

JetBlue, British Airways, and Icelandair are the most popular carriers operating from London Gatwick to Washington, D.C. Reagan-National

When to book flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Gatwick Airport to Washington, D.C. Reagan-National Airport (LGW to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Washington, D.C. Reagan-National Airport

Fastest flight time

11h 48m

Direct flights

None
The fastest flight from London Gatwick Airport to Washington, D.C. Reagan-National Airport takes 11h 48m
There are no direct flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport. There are no popular flight routes from London Gatwick Airport to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Washington, D.C. Reagan-National Airport

  • How far is London Gatwick to Washington, D.C. Reagan-National by plane?

    London Gatwick and Washington, D.C. Reagan-National are 3670.2 mi apart from one another. Flights usually cover this in 11h 48m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from London Gatwick Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How old do you have to be to fly from London Gatwick Airport to Washington, D.C. Reagan-National Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National 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.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Fredericksburg
Gaithersburg
Colonial Beach
Rockville
Linthicum Heights
Silver Spring
Towson
Manassas
Tysons
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from London 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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