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Cheap flights from London Gatwick Airport to Washington, D.C. from £430

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 28/1. 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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0 bags
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Find the cheapest flights from London Gatwick Airport to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
11:45 - 18:54
LGW
-
DCA
36h 09m2 stops
Iberia Logo
17:45 - 10:50
DCA
-
LGW
36h 05m2 stops
£465Iberia
Thu, 5 Feb - Sun, 8 Feb
JetBlue Logo
12:10 - 09:06
LGW
-
DCA
25h 56m1 stop
JetBlue Logo
20:55 - 09:35
DCA
-
LGW
31h 40m1 stop
£467JetBlue
Wed, 27 May - Sun, 31 May
British Airways Logo
11:20 - 21:24
LGW
-
DCA
15h 04m1 stop
British Airways Logo
11:30 - 07:30
DCA
-
LGW
16h 00m1 stop
£469British Airways
Thu, 15 Jan - Fri, 13 Mar
British Airways Logo
11:20 - 21:24
LGW
-
DCA
15h 04m1 stop
British Airways Logo
08:20 - 07:30
DCA
-
LGW
18h 10m1 stop
£469British Airways
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
13:00 - 22:59
LGW
-
DCA
14h 59m1 stop
Multiple Airlines Logo
06:00 - 06:00
DCA
-
LGW
19h 00m1 stop
£478Multiple Airlines
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
13:00 - 22:59
LGW
-
DCA
14h 59m1 stop
Multiple Airlines Logo
06:00 - 06:00
DCA
-
LGW
19h 00m1 stop
£481Multiple Airlines
Fri, 23 Jan - Fri, 30 Jan
JetBlue Logo
12:10 - 19:59
LGW
-
DCA
12h 49m1 stop
JetBlue Logo
20:55 - 09:35
DCA
-
LGW
31h 40m1 stop
£490JetBlue
Fri, 22 May - Sun, 31 May
British Airways Logo
11:20 - 23:25
LGW
-
DCA
17h 05m1 stop
British Airways Logo
11:46 - 07:30
DCA
-
LGW
14h 44m1 stop
£494British Airways
Fri, 9 Jan - Sat, 31 Jan
British Airways Logo
11:20 - 23:25
LGW
-
DCA
17h 05m1 stop
British Airways Logo
11:46 - 07:30
DCA
-
LGW
14h 44m1 stop
£498British Airways
Thu, 5 Feb - Sun, 8 Feb
Icelandair Logo
11:55 - 21:45
LGW
-
DCA
14h 50m2 stops
Icelandair Logo
15:25 - 10:55
DCA
-
LGW
14h 30m2 stops
£586Icelandair
Tue, 13 Jan - Fri, 23 Jan

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
5 Feb
LGW11:45London Gatwick
36h 09m
2 stops
DCA18:54Washington, D.C. Reagan-National
8 Feb
DCA17:45Washington, D.C. Reagan-National
36h 05m
2 stops
LGW10:50London Gatwick
£465
Find similar
Iberia
25 Dec
LGW19:40London Gatwick
28h 00m
2 stops
DCA18:40Washington, D.C. Reagan-National
8 Jan
DCA17:45Washington, D.C. Reagan-National
20h 15m
2 stops
LGW19:00London Gatwick
£871
Find similar

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
27 May
LGW12:10London Gatwick
25h 56m
1 stop
DCA09:06Washington, D.C. Reagan-National
31 May
DCA20:55Washington, D.C. Reagan-National
31h 40m
1 stop
LGW09:35London Gatwick
£467
Find similar
JetBlue
22 May
LGW12:10London Gatwick
12h 49m
1 stop
DCA19:59Washington, D.C. Reagan-National
31 May
DCA20:55Washington, D.C. Reagan-National
31h 40m
1 stop
LGW09:35London Gatwick
£490
Find similar

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 22 December 2025.
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

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 5/2

11:45-18:54

2 stops36h 09m

Washington, D.C. Reagan-National

Sun 8/2

17:45-10:50

2 stops36h 05m

£465

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 27/5

12:10-09:06

1 stop25h 56m

Washington, D.C. Reagan-National

Sun 31/5

20:55-09:35

1 stop31h 40m

£467

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 15/1

11:20-21:24

1 stop15h 04m

Washington, D.C. Reagan-National

Fri 13/3

11:30-07:30

1 stop16h 00m

£469

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 17/1

11:20-21:24

1 stop15h 04m

Washington, D.C. Reagan-National

Sat 24/1

08:20-07:30

1 stop18h 10m

£469

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 16/1

13:00-22:59

1 stop14h 59m

Washington, D.C. Reagan-National

Mon 19/1

06:00-06:00

1 stop19h 00m

£478

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 23/1

13:00-22:59

1 stop14h 59m

Washington, D.C. Reagan-National

Fri 30/1

06:00-06:00

1 stop19h 00m

£481

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 22/5

12:10-19:59

1 stop12h 49m

Washington, D.C. Reagan-National

Sun 31/5

20:55-09:35

1 stop31h 40m

£490

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 9/1

11:20-23:25

1 stop17h 05m

Washington, D.C. Reagan-National

Sat 31/1

11:46-07:30

1 stop14h 44m

£494

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 5/2

11:20-23:25

1 stop17h 05m

Washington, D.C. Reagan-National

Sun 8/2

11:46-07:30

1 stop14h 44m

£498

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 13/1

11:55-21:45

2 stops14h 50m

Washington, D.C. Reagan-National

Fri 23/1

15:25-10:55

2 stops14h 30m

£586

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 day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from London Gatwick Airport to Washington, D.C. Reagan-National Airport is on a Thursday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as £559. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Reagan-National Airport on Saturday is £621.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest London Gatwick Airport to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as £573. Try not to purchase tickets in the evening because they tend to be around £634. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

12h 49m

Direct flights

None
The fastest flight from London Gatwick Airport to Washington, D.C. Reagan-National Airport takes 12h 49m
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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  • 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 12h 49m.

  • 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
Laurel
College Park
Alexandria
Fairfax
Arlington
Linthicum Heights
Bethesda
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Westminster
Woodbridge
Silver Spring
Owings Mills
National Harbor

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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