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Cheap flights from London Gatwick Airport to Washington, D.C. from $521

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.
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$548Icelandair
Fri, May 7 - Sat, May 15
TAP AIR PORTUGAL Logo
10:40 am - 8:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 50m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:05 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 35m1 stop Lisbon Humberto Delgado
$549TAP AIR PORTUGAL
Wed, Jan 20 - Wed, Jan 27
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$559Icelandair
Mon, Nov 23 - Fri, Dec 25
TAP AIR PORTUGAL Logo
10:40 am - 8:35 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 55m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:45 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
12h 15m1 stop Lisbon Humberto Delgado
$559TAP AIR PORTUGAL
Sun, Feb 14 - Fri, Feb 26
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$559Icelandair
Mon, Nov 23 - Wed, Dec 23
TAP AIR PORTUGAL Logo
10:40 am - 3:15 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
33h 35m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$559TAP AIR PORTUGAL
Wed, Feb 10 - Mon, Feb 15
TAP AIR PORTUGAL Logo
4:35 pm - 2:40 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$561TAP AIR PORTUGAL
Mon, Jan 18 - Sat, Feb 6
TAP AIR PORTUGAL Logo
10:40 am - 8:35 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 55m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
6:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$562TAP AIR PORTUGAL
Sun, Mar 7 - Mon, Mar 15
TAP AIR PORTUGAL Logo
10:40 am - 3:15 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
33h 35m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 3:50 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
17h 25m1 stop Lisbon Humberto Delgado
$565TAP AIR PORTUGAL
Wed, Feb 10 - Thu, Feb 25
TAP AIR PORTUGAL Logo
4:00 pm - 8:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
33h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$566TAP AIR PORTUGAL
Thu, Jan 21 - Mon, Jan 25

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Icelandair flights from London Gatwick Airport to Washington, D.C.

Our best Icelandair deals on London Gatwick Airport to Washington, D.C. flight tickets
Icelandair
May 7
LGW3:40 pmLondon Gatwick
32h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 15
IAD8:30 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW11:45 amLondon Gatwick
$548
Icelandair
Nov 23
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 25
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$559
Icelandair
Dec 16
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Apr 23
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
$568

TAP AIR PORTUGAL flights from London Gatwick Airport to Washington, D.C.

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Washington, D.C. flight tickets
TAP AIR PORTUGAL
Jan 20
LGW10:40 amLondon Gatwick
14h 50m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Jan 27
IAD10:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$549
TAP AIR PORTUGAL
Nov 18
LGW4:35 pmLondon Gatwick
27h 40m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Nov 29
IAD10:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LGW3:45 pmLondon Gatwick
$558
TAP AIR PORTUGAL
Jan 18
LGW4:35 pmLondon Gatwick
27h 05m
1 stop
IAD2:40 pmWashington, D.C. Dulles Intl
Feb 6
IAD5:25 pmWashington, D.C. Dulles Intl
11h 25m
1 stop
LGW9:50 amLondon Gatwick
$561

momondo Fare Finder

 
Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Fri 5/7

3:40 pm-7:20 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Sat 5/15

8:30 pm-11:45 am

1 stop10h 15m

$548

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 1/20

10:40 am-8:30 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Wed 1/27

10:30 pm-3:05 pm

1 stop11h 35m

$549
Quickest round-trip

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 11/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 12/25

7:40 pm-10:55 am

1 stop10h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Sun 2/14

10:40 am-8:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Fri 2/26

10:30 pm-3:45 pm

1 stop12h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 11/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 12/23

7:40 pm-10:55 am

1 stop10h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 2/10

10:40 am-3:15 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Mon 2/15

5:25 pm-9:50 am

1 stop11h 25m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 1/18

4:35 pm-2:40 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Sat 2/6

5:25 pm-9:50 am

1 stop11h 25m

$561

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Sun 3/7

10:40 am-8:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Mon 3/15

6:25 pm-9:50 am

1 stop11h 25m

$562

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 2/10

10:40 am-3:15 pm

1 stop33h 35m

Washington, D.C. Dulles Intl

Thu 2/25

5:25 pm-3:50 pm

1 stop17h 25m

$565

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Thu 1/21

4:00 pm-8:30 pm

1 stop33h 30m

Washington, D.C. Dulles Intl

Mon 1/25

5:25 pm-9:50 am

1 stop11h 25m

$566

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.

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 Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from London Gatwick Airport, with most prices found around $345. If you’re not able to fly to Washington, D.C. in November, then April is your next best option. Flight prices from London Gatwick Airport to Washington, D.C. during April average around $458.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from London Gatwick Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $753. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Washington, D.C. for around $837.

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

In the afternoon is the cheapest time of day to fly from London Gatwick Airport to Washington, D.C. when you can find flight prices for as low as $767. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $815. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on London Gatwick Airport to Washington, D.C. flights?

You could potentially save up to 51% on your flight if you consider stops on a London Gatwick Airport to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Washington, D.C. 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. (LGW to WAS) flight deals and tips

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

Best Price Found

$521

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Washington, D.C. from London Gatwick Airport in the past 72 hours is $521. The best round-trip flight deal from London Gatwick Airport to Washington, D.C. found on momondo in the last 72 hours is $548.
The fastest flight from London Gatwick Airport to Washington, D.C. takes 11h 25m
There are no direct flights from London Gatwick Airport to Washington, D.C.. There are no popular flight routes from London Gatwick Airport to Washington, D.C..
Search flight deals

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

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

    London Gatwick and Washington, D.C. are 3667.7 mi apart from one another. In terms of flight time, this usually takes a little over 11h 25m.

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

    Prices for flights from London Gatwick Airport to Washington, D.C. are refreshed on a daily basis.

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

    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..

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

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable 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
Fredericksburg
Waldorf
Laurel
Gaithersburg
Woodbridge
Linthicum Heights
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Colonial Beach
Falls Church
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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Washington, D.C..

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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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport