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Cheap flights from London Gatwick Airport to Washington, D.C. 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 London Gatwick Airport to Washington, D.C. departing on 30/9. 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 return flights

Enter your travel dates to find the best prices.
American Airlines Logo
14:30 - 23:59LGW  London Gatwick-DCA Washington, D.C. Reagan-National
14h 29m1 stop Orlando
American Airlines Logo
10:19 - 08:40DCA  Washington, D.C. Reagan-National-LGW London Gatwick
17h 21m1 stop Tampa
£443American Airlines
Sat, 5 Sep - Sat, 12 Sep
American Airlines Logo
10:45 - 23:59LGW  London Gatwick-DCA Washington, D.C. Reagan-National
18h 14m1 stop Orlando
American Airlines Logo
07:50 - 06:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 00m1 stop Orlando
£443American Airlines
Fri, 4 Sep - Mon, 7 Sep
British Airways Logo
10:45 - 23:59LGW  London Gatwick-DCA Washington, D.C. Reagan-National
18h 14m1 stop Orlando
British Airways Logo
20:20 - 06:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
29h 30m1 stop Orlando
£445British Airways
Wed, 2 Sep - Sun, 6 Sep
American Airlines Logo
14:30 - 09:24LGW  London Gatwick-DCA Washington, D.C. Reagan-National
23h 54m1 stop Orlando
American Airlines Logo
12:58 - 08:40DCA  Washington, D.C. Reagan-National-LGW London Gatwick
14h 42m2 stops Charlotte Douglas Tampa
£446American Airlines
Sat, 5 Sep - Sat, 12 Sep
American Airlines Logo
10:45 - 00:57LGW  London Gatwick-DCA Washington, D.C. Reagan-National
19h 12m2 stops Orlando Miami
American Airlines Logo
07:50 - 06:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 00m1 stop Orlando
£446American Airlines
Fri, 4 Sep - Mon, 7 Sep
British Airways Logo
10:45 - 23:59LGW  London Gatwick-DCA Washington, D.C. Reagan-National
18h 14m1 stop Orlando
British Airways Logo
20:20 - 06:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
29h 30m1 stop Orlando
£454British Airways
Wed, 2 Sep - Sun, 6 Sep
Iberia Logo
11:30 - 22:43LGW  London Gatwick-DCA Washington, D.C. Reagan-National
16h 13m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
10:59 - 10:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
18h 51m2 stops Boston Logan Intl Madrid Barajas
£455Iberia
Sat, 5 Sep - Sat, 12 Sep
Iberia Logo
11:45 - 19:19LGW  London Gatwick-DCA Washington, D.C. Reagan-National
36h 34m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
17:12 - 19:00DCA  Washington, D.C. Reagan-National-LGW London Gatwick
20h 48m2 stops New York John F Kennedy Intl Madrid Barajas
£456Iberia
Wed, 11 Nov - Mon, 16 Nov
Iberia Logo
11:30 - 19:05LGW  London Gatwick-DCA Washington, D.C. Reagan-National
36h 35m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
16:55 - 20:00DCA  Washington, D.C. Reagan-National-LGW London Gatwick
22h 05m2 stops Boston Logan Intl Madrid Barajas
£456Iberia
Wed, 7 Oct - Thu, 15 Oct
Iberia Logo
20:40 - 23:10LGW  London Gatwick-DCA Washington, D.C. Reagan-National
31h 30m2 stops Madrid Barajas New York John F Kennedy Intl
Iberia Logo
12:59 - 10:50DCA  Washington, D.C. Reagan-National-LGW London Gatwick
16h 51m2 stops New York John F Kennedy Intl Madrid Barajas
£456Iberia
Tue, 15 Sep - Fri, 25 Sep

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

Our best Virgin Atlantic deals on London Gatwick Airport to Washington, D.C. Reagan-National Airport flight tickets
Virgin Atlantic
18 Nov
LGW16:45London Gatwick
22h 17m
2 stops
DCA10:02Washington, D.C. Reagan-National
2 Dec
DCA14:00Washington, D.C. Reagan-National
20h 45m
2 stops
LGW15:45London Gatwick
£457
Virgin Atlantic
18 Nov
LGW16:45London Gatwick
22h 17m
2 stops
DCA10:02Washington, D.C. Reagan-National
2 Dec
DCA14:00Washington, D.C. Reagan-National
20h 45m
2 stops
LGW15:45London Gatwick
£468
Virgin Atlantic
14 Sept
LGW17:00London Gatwick
22h 06m
2 stops
DCA10:06Washington, D.C. Reagan-National
24 Sept
DCA06:10Washington, D.C. Reagan-National
22h 15m
2 stops
LGW09:25London Gatwick
£486

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
7 Oct
LGW11:30London Gatwick
36h 35m
2 stops
DCA19:05Washington, D.C. Reagan-National
15 Oct
DCA16:55Washington, D.C. Reagan-National
22h 05m
2 stops
LGW20:00London Gatwick
£456
Iberia
5 Sept
LGW11:30London Gatwick
16h 13m
2 stops
DCA22:43Washington, D.C. Reagan-National
8 Sept
DCA16:59Washington, D.C. Reagan-National
22h 01m
2 stops
LGW20:00London Gatwick
£456
Iberia
5 Sept
LGW11:30London Gatwick
16h 13m
2 stops
DCA22:43Washington, D.C. Reagan-National
12 Sept
DCA12:59Washington, D.C. Reagan-National
16h 51m
2 stops
LGW10:50London Gatwick
£462

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 8 August 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 return flight
Fastest return journey

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Sat 5/9

14:30-23:59

1 stop14h 29m

Washington, D.C. Reagan-National

Sat 12/9

10:19-08:40

1 stop17h 21m

£443

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Fri 4/9

10:45-23:59

1 stop18h 14m

Washington, D.C. Reagan-National

Mon 7/9

07:50-06:50

1 stop18h 00m

£443

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Wed 2/9

10:45-23:59

1 stop18h 14m

Washington, D.C. Reagan-National

Sun 6/9

20:20-06:50

1 stop29h 30m

£445

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Sat 5/9

14:30-09:24

1 stop23h 54m

Washington, D.C. Reagan-National

Sat 12/9

12:58-08:40

2 stops14h 42m

£446

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Fri 4/9

10:45-00:57

2 stops19h 12m

Washington, D.C. Reagan-National

Mon 7/9

07:50-06:50

1 stop18h 00m

£446

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Wed 2/9

10:45-23:59

1 stop18h 14m

Washington, D.C. Reagan-National

Sun 6/9

20:20-06:50

1 stop29h 30m

£454

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Sat 5/9

11:30-22:43

2 stops16h 13m

Washington, D.C. Reagan-National

Sat 12/9

10:59-10:50

2 stops18h 51m

£455

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Wed 11/11

11:45-19:19

2 stops36h 34m

Washington, D.C. Reagan-National

Mon 16/11

17:12-19:00

2 stops20h 48m

£456

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Wed 7/10

11:30-19:05

2 stops36h 35m

Washington, D.C. Reagan-National

Thu 15/10

16:55-20:00

2 stops22h 05m

£456

LondonWashington, D.C.

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

LGWDCA

London Gatwick

Tue 15/9

20:40-23:10

2 stops31h 30m

Washington, D.C. Reagan-National

Fri 25/9

12:59-10:50

2 stops16h 51m

£456

Flights are sorted by cheapest return 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?

British Airways, JetBlue, and TAP AIR PORTUGAL 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 return 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 10m

Direct flights

None
The fastest flight from London Gatwick Airport to Washington, D.C. Reagan-National Airport takes 14h 10m
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. In terms of flight time, this usually takes a little over 14h 10m.

  • 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 are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 travel and health documents required for your trip to Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
College Park
Springfield
Fairfax
Arlington
Gettysburg
Linthicum Heights
National Harbor
Ellicott City
Cambridge
Glen Burnie
Westminster
Laurel
Lutherville Timonium
Lexington Park
Owings Mills
Woodbridge
Bethesda
Silver Spring
Rockville

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from London.

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?

Yes. momondo can track prices for London to Washington, D.C. 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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