What is the cheapest airline that flies from London Gatwick to District of Columbia?

TAP AIR PORTUGAL and British Airways are the most popular carriers operating from London Gatwick to District of Columbia

How old do you have to be to fly from London Gatwick Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents required for your trip to District of Columbia 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 District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$521 Cheap Flights from London Gatwick Airport to District of Columbia in 2026/27

Find the cheapest flights from London Gatwick Airport to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 7:20 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Reykjavik Keflavik Intl

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

10:40 am - 8:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 50m1 stop Lisbon Humberto Delgado

5:25 pm - 9:50 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 25m1 stop Lisbon Humberto Delgado

$550TAP AIR PORTUGAL

Fri, Jan 22 - Sat, Feb 13

10:40 am - 8:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 50m1 stop Lisbon Humberto Delgado

10:30 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

12h 15m1 stop Lisbon Humberto Delgado

$551TAP AIR PORTUGAL

Fri, Jan 15 - Sun, Jan 24

3:40 pm - 7:20 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Reykjavik Keflavik Intl

8:30 pm - 2:40 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 10m1 stop Reykjavik Keflavik Intl

$555Icelandair

Sat, May 8 - Mon, May 17

11:55 am - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

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

11:55 am - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

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

10:40 am - 8:35 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 55m1 stop Lisbon Humberto Delgado

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

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

10:30 pm - 3:05 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 35m1 stop Lisbon Humberto Delgado

$560TAP AIR PORTUGAL

Wed, Jan 20 - Wed, Feb 24

4:35 pm - 2:40 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 05m1 stop Lisbon Humberto Delgado

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

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

10:30 pm - 3:45 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

12h 15m1 stop Lisbon Humberto Delgado

$565TAP AIR PORTUGAL

Wed, Jan 13 - Sun, Jan 24

Cheap last minute flights

Enter your travel dates to find the best prices.

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

5:25 pm - 9:50 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 25m1 stop Lisbon Humberto Delgado

$561TAP AIR PORTUGAL

Wed, Nov 11 - Tue, Nov 17

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

10:30 pm - 9:50 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 20m1 stop Lisbon Humberto Delgado

$590TAP AIR PORTUGAL

Wed, Nov 11 - Sun, Nov 15

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

10:30 pm - 9:50 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 20m1 stop Lisbon Humberto Delgado

$593TAP AIR PORTUGAL

Wed, Nov 11 - Sun, Nov 15

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

5:25 pm - 9:25 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

35h 00m2 stops Lisbon Humberto Delgado Porto

$612TAP AIR PORTUGAL

Wed, Nov 11 - Tue, Nov 17

4:35 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

10:30 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

17h 05m2 stops Lisbon Humberto Delgado Porto

$642TAP AIR PORTUGAL

Wed, Nov 11 - Sun, Nov 15

11:55 am - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

7:40 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

$654Icelandair

Fri, Nov 13 - Sun, Nov 15

11:55 am - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

7:40 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

$666Icelandair

Wed, Nov 11 - Sun, Nov 22

9:35 am - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

34h 40m2 stops Porto Lisbon Humberto Delgado

5:25 pm - 9:25 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

35h 00m2 stops Lisbon Humberto Delgado Porto

$673TAP AIR PORTUGAL

Wed, Nov 11 - Tue, Nov 17

11:55 am - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

7:40 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

$685Icelandair

Wed, Nov 11 - Tue, Nov 24

9:20 pm - 3:15 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

46h 55m2 stops Porto Lisbon Humberto Delgado

5:25 pm - 9:50 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 25m1 stop Lisbon Humberto Delgado

$689TAP AIR PORTUGAL

Tue, Nov 10 - Tue, Nov 17

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Icelandair flights from London Gatwick Airport to District of Columbia

Our best Icelandair deals on London Gatwick Airport to District of Columbia 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

May 8

LGW3:40 pmLondon Gatwick

32h 40m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

May 17

IAD8:30 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

$555

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

TAP AIR PORTUGAL flights from London Gatwick Airport to District of Columbia

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to District of Columbia flight tickets

TAP AIR PORTUGAL

Jan 22

LGW10:40 amLondon Gatwick

14h 50m

1 stop

IAD8:30 pmWashington, D.C. Dulles Intl

Feb 13

IAD5:25 pmWashington, D.C. Dulles Intl

11h 25m

1 stop

LGW9:50 amLondon Gatwick

$550

TAP AIR PORTUGAL

Jan 15

LGW10:40 amLondon Gatwick

14h 50m

1 stop

IAD8:30 pmWashington, D.C. Dulles Intl

Jan 24

IAD10:30 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

LGW3:45 pmLondon Gatwick

$551

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

momondo Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to District of Columbia 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

Fri 1/22

10:40 am-8:30 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 2/13

5:25 pm-9:50 am

1 stop11h 25m

$550

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Fri 1/15

10:40 am-8:30 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sun 1/24

10:30 pm-3:45 pm

1 stop12h 15m

$551

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Sat 5/8

3:40 pm-7:20 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Mon 5/17

8:30 pm-2:40 pm

1 stop13h 10m

$555

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

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

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

Wed 1/20

4:35 pm-3:15 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Wed 2/24

10:30 pm-3:05 pm

1 stop11h 35m

$560

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

Wed 1/13

4:35 pm-3:15 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Sun 1/24

10:30 pm-3:45 pm

1 stop12h 15m

$565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Gatwick Airport to District of Columbia

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

Prices

Airlines

What is the cheapest month to fly to District of Columbia?

In general, November is the cheapest month to fly from London Gatwick Airport to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $345. If you don’t want to visit District of Columbia in November, then you should wait until April to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of $458.

Cheap London Gatwick Airport to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to District of Columbia

Best Price Found	$521
Fastest flight time	11h 35m
Direct flights	None

The best one-way flight to District of Columbia from London Gatwick Airport in the past 72 hours is $521. The best round-trip flight deal from London Gatwick Airport to District of Columbia found on momondo in the last 72 hours is $548.

The fastest flight from London Gatwick Airport to District of Columbia takes 11h 35m

There are no direct flights from London Gatwick Airport to District of Columbia. There are no popular flight routes from London Gatwick Airport to District of Columbia.

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Frequently asked questions about flying from London Gatwick Airport to District of Columbia

When did momondo last update prices for flights from London Gatwick Airport to District of Columbia?
Prices for flights from London Gatwick Airport to District of Columbia refresh daily.
How old do you have to be to fly from London Gatwick Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia 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 District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to District of Columbia with flexible booking policies on momondo?

momondo does allow users to show only those flights to District of Columbia from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to District of Columbia?

Once all potential London to District of Columbia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to District of Columbia 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.