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Cheap flights from London Gatwick Airport to District of Columbia from $492

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 District of Columbia departing on 12/8. 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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Find the cheapest flights from London Gatwick Airport to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 7:51 pmLGW-IAD
34h 51m1 stop
Multiple Airlines Logo
8:37 pm - 6:00 amIAD-LGW
28h 23m2 stops
$545Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
TAP AIR PORTUGAL Logo
4:00 pm - 9:00 pmLGW-IAD
34h 00m1 stop
TAP AIR PORTUGAL Logo
10:30 pm - 9:50 amIAD-LGW
30h 20m1 stop
$546TAP AIR PORTUGAL
Find Deal
Thu, Feb 12 - Sun, Feb 15
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
$600Icelandair
Find Deal
Fri, Nov 21 - Fri, Nov 28
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
$602Icelandair
Find Deal
Wed, Nov 19 - Wed, Nov 26
British Airways Logo
11:45 am - 10:02 amLGW-DCA
27h 17m2 stops
British Airways Logo
4:49 pm - 7:00 pmDCA-LGW
21h 11m2 stops
$643British Airways
Find Deal
Wed, Dec 10 - Mon, Dec 15
American Airlines Logo
11:20 am - 9:15 pmLGW-DCA
14h 55m1 stop
American Airlines Logo
6:42 am - 7:30 amDCA-LGW
19h 48m1 stop
$647American Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
American Airlines Logo
11:20 am - 11:34 pmLGW-DCA
17h 14m2 stops
American Airlines Logo
6:42 am - 7:30 amDCA-LGW
19h 48m1 stop
$650American Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
British Airways Logo
11:20 am - 9:15 pmLGW-DCA
14h 55m1 stop
British Airways Logo
8:19 am - 7:30 amDCA-LGW
18h 11m1 stop
$667British Airways
Find Deal
Fri, Dec 12 - Mon, Dec 15
Iberia Logo
11:45 am - 6:56 pmLGW-DCA
36h 11m2 stops
Iberia Logo
5:45 pm - 10:50 amDCA-LGW
36h 05m2 stops
$788Iberia
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Fri, Nov 14 - Mon, Nov 17
Iberia Logo
7:40 pm - 6:56 pmLGW-DCA
28h 16m2 stops
Iberia Logo
1:44 pm - 7:00 pmDCA-LGW
24h 16m2 stops
$829Iberia
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Fri, Nov 21 - Mon, Dec 15

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
Feb 12
LGW4:00 pmLondon Gatwick
34h 00m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Feb 15
IAD10:30 pmWashington, D.C. Dulles Intl
30h 20m
1 stop
LGW9:50 amLondon Gatwick
$546
Find similar
TAP AIR PORTUGAL
Dec 4
LGW4:00 pmLondon Gatwick
34h 00m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
Dec 10
IAD10:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$548
Find similar
TAP AIR PORTUGAL
Feb 23
LGW4:35 pmLondon Gatwick
27h 00m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Mar 18
IAD11:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$554
Find similar

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
Nov 21
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 28
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$600
Find similar
Icelandair
Nov 19
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 26
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$602
Find similar
Icelandair
Dec 5
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 14
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$604
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to District of Columbia 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 November 2, 2025.
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

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 11/13

2:00 pm-7:51 pm

1 stop34h 51m

Washington, D.C. Dulles Intl

Mon 11/17

8:37 pm-6:00 am

2 stops28h 23m

$545

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 2/12

4:00 pm-9:00 pm

1 stop34h 00m

Washington, D.C. Dulles Intl

Sun 2/15

10:30 pm-9:50 am

1 stop30h 20m

$546

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 11/21

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 11/28

7:40 pm-10:55 am

1 stop10h 15m

$600

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 11/19

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 11/26

7:40 pm-10:55 am

1 stop10h 15m

$602

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 12/10

11:45 am-10:02 am

2 stops27h 17m

Washington, D.C. Reagan-National

Mon 12/15

4:49 pm-7:00 pm

2 stops21h 11m

$643

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 12/10

11:20 am-9:15 pm

1 stop14h 55m

Washington, D.C. Reagan-National

Mon 12/15

6:42 am-7:30 am

1 stop19h 48m

$647

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 12/10

11:20 am-11:34 pm

2 stops17h 14m

Washington, D.C. Reagan-National

Mon 12/15

6:42 am-7:30 am

1 stop19h 48m

$650

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 12/12

11:20 am-9:15 pm

1 stop14h 55m

Washington, D.C. Reagan-National

Mon 12/15

8:19 am-7:30 am

1 stop18h 11m

$667

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 11/14

11:45 am-6:56 pm

2 stops36h 11m

Washington, D.C. Reagan-National

Mon 11/17

5:45 pm-10:50 am

2 stops36h 05m

$788

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 11/21

7:40 pm-6:56 pm

2 stops28h 16m

Washington, D.C. Reagan-National

Mon 12/15

1:44 pm-7:00 pm

2 stops24h 16m

$829

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 District of Columbia from

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

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

In general, April 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 $576. If you don’t want to visit District of Columbia in April, then you should wait until March to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of $581.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Tuesday when prices can be found for as low as $738. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $812.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from London Gatwick Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $762 when looking at flights departing at noon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $791. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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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  • 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.

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