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Cheap flights from London Gatwick Airport to Washington, D.C. from $443

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 9/25. 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.
British Airways Logo
11:15 am - 11:07 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
16h 52m1 stop Orlando
British Airways Logo
11:47 am - 7:30 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
14h 43m1 stop Orlando
$588British Airways
Wed, Dec 2 - Sun, Dec 6
American Airlines Logo
10:45 am - 11:59 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
18h 14m1 stop Orlando
American Airlines Logo
7:50 am - 6:50 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 00m1 stop Orlando
$597American Airlines
Fri, Sep 4 - Mon, Sep 7
American Airlines Logo
2:30 pm - 11:59 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
14h 29m1 stop Orlando
American Airlines Logo
10:19 am - 8:40 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
17h 21m1 stop Tampa
$597American Airlines
Sat, Sep 5 - Sat, Sep 12
British Airways Logo
10:45 am - 11:59 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
18h 14m1 stop Orlando
British Airways Logo
8:20 pm - 6:50 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
29h 30m1 stop Orlando
$599British Airways
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
10:45 am - 12:57 amLGW  London Gatwick-DCA Washington, D.C. Reagan-National
19h 12m2 stops Orlando Miami
American Airlines Logo
7:50 am - 6:50 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 00m1 stop Orlando
$601American Airlines
Fri, Sep 4 - Mon, Sep 7
American Airlines Logo
2:30 pm - 9:24 amLGW  London Gatwick-DCA Washington, D.C. Reagan-National
23h 54m1 stop Orlando
American Airlines Logo
12:58 pm - 8:40 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
14h 42m2 stops Charlotte Douglas Tampa
$601American Airlines
Sat, Sep 5 - Sat, Sep 12
British Airways Logo
10:30 am - 8:07 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
14h 37m1 stop Orlando
British Airways Logo
10:59 am - 6:35 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
14h 36m1 stop Orlando
$610British Airways
Tue, Sep 8 - Tue, Sep 15
Iberia Logo
11:30 am - 10:43 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
16h 13m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
10:59 am - 10:50 amDCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 51m2 stops Boston Logan Intl Madrid Barajas
$613Iberia
Sat, Sep 5 - Sat, Sep 12
Iberia Logo
11:45 am - 7:19 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
36h 34m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
5:12 pm - 7:00 pmDCA  Washington, D.C. Reagan-National-LGW London Gatwick
20h 48m2 stops New York John F Kennedy Intl Madrid Barajas
$614Iberia
Wed, Nov 11 - Mon, Nov 16
Iberia Logo
11:30 am - 7:05 pmLGW  London Gatwick-DCA Washington, D.C. Reagan-National
36h 35m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
4:55 pm - 8:00 pmDCA  Washington, D.C. Reagan-National-LGW London Gatwick
22h 05m2 stops Boston Logan Intl Madrid Barajas
$614Iberia
Wed, Oct 7 - Thu, Oct 15

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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
Dec 2
LGW11:15 amLondon Gatwick
16h 52m
1 stop
DCA11:07 pmWashington, D.C. Reagan-National
Dec 6
DCA11:47 amWashington, D.C. Reagan-National
14h 43m
1 stop
LGW7:30 amLondon Gatwick
$588
British Airways
Sep 2
LGW10:45 amLondon Gatwick
18h 14m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Sep 6
DCA8:20 pmWashington, D.C. Reagan-National
29h 30m
1 stop
LGW6:50 amLondon Gatwick
$599
British Airways
Sep 8
LGW10:30 amLondon Gatwick
14h 37m
1 stop
DCA8:07 pmWashington, D.C. Reagan-National
Sep 15
DCA10:59 amWashington, D.C. Reagan-National
14h 36m
1 stop
LGW6:35 amLondon Gatwick
$610

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

Our best Iberia deals on London Gatwick Airport to Washington, D.C. Reagan-National Airport flight tickets
Iberia
Sep 5
LGW11:30 amLondon Gatwick
16h 13m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
Sep 12
DCA10:59 amWashington, D.C. Reagan-National
18h 51m
2 stops
LGW10:50 amLondon Gatwick
$613
Iberia
Oct 7
LGW11:30 amLondon Gatwick
36h 35m
2 stops
DCA7:05 pmWashington, D.C. Reagan-National
Oct 15
DCA4:55 pmWashington, D.C. Reagan-National
22h 05m
2 stops
LGW8:00 pmLondon Gatwick
$614
Iberia
Sep 5
LGW11:30 amLondon Gatwick
16h 13m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
Sep 8
DCA4:59 pmWashington, D.C. Reagan-National
22h 01m
2 stops
LGW8:00 pmLondon Gatwick
$615

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 August 10, 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 London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Wed 12/2

11:15 am-11:07 pm

1 stop16h 52m

Washington, D.C. Reagan-National

Sun 12/6

11:47 am-7:30 am

1 stop14h 43m

$588

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Fri 9/4

10:45 am-11:59 pm

1 stop18h 14m

Washington, D.C. Reagan-National

Mon 9/7

7:50 am-6:50 am

1 stop18h 00m

$597

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Sat 9/5

2:30 pm-11:59 pm

1 stop14h 29m

Washington, D.C. Reagan-National

Sat 9/12

10:19 am-8:40 am

1 stop17h 21m

$597

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Wed 9/2

10:45 am-11:59 pm

1 stop18h 14m

Washington, D.C. Reagan-National

Sun 9/6

8:20 pm-6:50 am

1 stop29h 30m

$599

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Fri 9/4

10:45 am-12:57 am

2 stops19h 12m

Washington, D.C. Reagan-National

Mon 9/7

7:50 am-6:50 am

1 stop18h 00m

$601

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Sat 9/5

2:30 pm-9:24 am

1 stop23h 54m

Washington, D.C. Reagan-National

Sat 9/12

12:58 pm-8:40 am

2 stops14h 42m

$601
Quickest round-trip

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Tue 9/8

10:30 am-8:07 pm

1 stop14h 37m

Washington, D.C. Reagan-National

Tue 9/15

10:59 am-6:35 am

1 stop14h 36m

$610

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Sat 9/5

11:30 am-10:43 pm

2 stops16h 13m

Washington, D.C. Reagan-National

Sat 9/12

10:59 am-10:50 am

2 stops18h 51m

$613

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Wed 11/11

11:45 am-7:19 pm

2 stops36h 34m

Washington, D.C. Reagan-National

Mon 11/16

5:12 pm-7:00 pm

2 stops20h 48m

$614

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Wed 10/7

11:30 am-7:05 pm

2 stops36h 35m

Washington, D.C. Reagan-National

Thu 10/15

4:55 pm-8:00 pm

2 stops22h 05m

$614

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

British Airways and JetBlue 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

14h 35m

Direct flights

None
The fastest flight from London Gatwick Airport to Washington, D.C. Reagan-National Airport takes 14h 35m
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.
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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 14h 35m, 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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
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.

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