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Cheap flights from District of Columbia to London from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:32 pm - 10:00 am
IAD
-
LGW
15h 28m
1 stop
Multiple Airlines Logo
2:00 pm - 10:07 am
LGW
-
IAD
25h 07m
1 stop
$621Multiple Airlines
Tue, Aug 11 - Tue, Aug 25
Multiple Airlines Logo
10:35 pm - 10:30 pm
IAD
-
LGW
18h 55m
2 stops
Multiple Airlines Logo
5:00 pm - 3:10 pm
LGW
-
IAD
27h 10m
2 stops
$621Multiple Airlines
Tue, Sep 15 - Mon, Sep 21
Multiple Airlines Logo
7:00 am - 10:00 am
IAD
-
LGW
22h 00m
2 stops
Multiple Airlines Logo
10:10 am - 7:09 pm
LGW
-
IAD
36h 59m
1 stop
$621Multiple Airlines
Thu, Oct 22 - Tue, Oct 27
Icelandair Logo
8:30 pm - 2:40 pm
IAD
-
LGW
13h 10m
1 stop
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m
1 stop
$622Icelandair
Fri, Oct 23 - Fri, Dec 4
Multiple Airlines Logo
10:35 pm - 11:55 pm
IAD
-
LGW
20h 20m
2 stops
Multiple Airlines Logo
6:10 pm - 3:10 pm
LGW
-
IAD
26h 00m
2 stops
$622Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Icelandair Logo
8:40 pm - 2:40 pm
IAD
-
LGW
13h 00m
1 stop
Icelandair Logo
11:55 am - 6:30 pm
LGW
-
IAD
11h 35m
1 stop
$627Icelandair
Sat, Oct 24 - Fri, Dec 4
Icelandair Logo
8:40 pm - 10:55 am
IAD
-
LGW
10h 15m
1 stop
Icelandair Logo
11:55 am - 7:30 pm
LGW
-
IAD
11h 35m
1 stop
$638Icelandair
Wed, Oct 28 - Sat, Oct 31
TAP AIR PORTUGAL Logo
5:05 pm - 9:45 am
IAD
-
LGW
11h 40m
1 stop
TAP AIR PORTUGAL Logo
10:40 am - 8:35 pm
LGW
-
IAD
14h 55m
1 stop
$703TAP AIR PORTUGAL
Fri, Oct 23 - Wed, Dec 2
TAP AIR PORTUGAL Logo
10:35 pm - 3:35 pm
IAD
-
LGW
12h 00m
1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 3:10 pm
LGW
-
IAD
27h 45m
1 stop
$716TAP AIR PORTUGAL
Tue, Sep 8 - Tue, Sep 15
TAP AIR PORTUGAL Logo
5:40 pm - 3:35 pm
IAD
-
LGW
16h 55m
1 stop
TAP AIR PORTUGAL Logo
10:35 am - 8:35 pm
LGW
-
IAD
15h 00m
1 stop
$717TAP AIR PORTUGAL
Mon, Sep 21 - Tue, Sep 29

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

Our best TAP AIR PORTUGAL deals on District of Columbia to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
Oct 3
IAD5:05 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
LGW9:45 amLondon Gatwick
Oct 14
LGW10:35 amLondon Gatwick
15h 00m
1 stop
IAD8:35 pmWashington, D.C. Dulles Intl
$627
TAP AIR PORTUGAL
Aug 4
IAD10:35 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
LGW3:35 pmLondon Gatwick
Sep 1
LGW4:25 pmLondon Gatwick
27h 45m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$726
TAP AIR PORTUGAL
Aug 11
IAD10:35 pmWashington, D.C. Dulles Intl
12h 00m
1 stop
LGW3:35 pmLondon Gatwick
Sep 8
LGW4:25 pmLondon Gatwick
27h 45m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
$736

JetBlue flights from District of Columbia to London Gatwick Airport

Our best JetBlue deals on District of Columbia to London Gatwick Airport flight tickets
JetBlue
Aug 16
DCA5:00 pmWashington, D.C. Reagan-National
11h 35m
1 stop
LGW9:35 amLondon Gatwick
Sep 1
LGW12:20 pmLondon Gatwick
11h 49m
1 stop
DCA7:09 pmWashington, D.C. Reagan-National
$748
JetBlue
Aug 25
DCA5:59 pmWashington, D.C. Reagan-National
10h 36m
1 stop
LGW9:35 amLondon Gatwick
Sep 5
LGW12:20 pmLondon Gatwick
11h 49m
1 stop
DCA7:09 pmWashington, D.C. Reagan-National
$754
JetBlue
Aug 25
DCA5:59 pmWashington, D.C. Reagan-National
10h 36m
1 stop
LGW9:35 amLondon Gatwick
Sep 5
LGW12:20 pmLondon Gatwick
11h 49m
1 stop
DCA7:09 pmWashington, D.C. Reagan-National
$755

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to London Gatwick 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 832,500 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from District of Columbia to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 8/11

1:32 pm-10:00 am

1 stop15h 28m

London Gatwick

Tue 8/25

2:00 pm-10:07 am

1 stop25h 07m

$621

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/15

10:35 pm-10:30 pm

2 stops18h 55m

London Gatwick

Mon 9/21

5:00 pm-3:10 pm

2 stops27h 10m

$621

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 10/22

7:00 am-10:00 am

2 stops22h 00m

London Gatwick

Tue 10/27

10:10 am-7:09 pm

1 stop36h 59m

$621

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 10/23

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Fri 12/4

11:55 am-6:30 pm

1 stop11h 35m

$622

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/14

10:35 pm-11:55 pm

2 stops20h 20m

London Gatwick

Tue 9/22

6:10 pm-3:10 pm

2 stops26h 00m

$622

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 10/24

8:40 pm-2:40 pm

1 stop13h 00m

London Gatwick

Fri 12/4

11:55 am-6:30 pm

1 stop11h 35m

$627
Quickest round-trip

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 10/28

8:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 10/31

11:55 am-7:30 pm

1 stop11h 35m

$638

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 10/23

5:05 pm-9:45 am

1 stop11h 40m

London Gatwick

Wed 12/2

10:40 am-8:35 pm

1 stop14h 55m

$703

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/8

10:35 pm-3:35 pm

1 stop12h 00m

London Gatwick

Tue 9/15

4:25 pm-3:10 pm

1 stop27h 45m

$716

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/21

5:40 pm-3:35 pm

1 stop16h 55m

London Gatwick

Tue 9/29

10:35 am-8:35 pm

1 stop15h 00m

$717

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 London from

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

In general, February is the cheapest month to fly from District of Columbia to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $426. If you are unable to visit London Gatwick Airport during the month of February, then departing from District of Columbia during the month January is also very affordable. Most momondo users find prices during this month for around $549.

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

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

Fastest flight time

10h 10m

Direct flights

None
The fastest flight from District of Columbia to London Gatwick Airport takes 10h 10m
There are no direct flights from District of Columbia to London Gatwick Airport. There are no popular flight routes from District of Columbia to London Gatwick Airport.
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Frequently asked questions about flying from District of Columbia to London Gatwick Airport

  • When did momondo last update prices for flights from District of Columbia to London Gatwick Airport?

    Prices for flights from District of Columbia to London Gatwick Airport are updated daily.

  • How many operators does momondo search for flights from District of Columbia to London Gatwick Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The required travel and health documents for your London Gatwick Airport 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 London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from District of Columbia to London Gatwick Airport

Compare and see reviews for airlines that fly from District of Columbia to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $309Free CancellationRating
7.2
2,350 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $465Free CancellationRating
7.0
715 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Croydon
Wembley
Stansted
Kingston upon Thames
Watford
Slough
Harrow
Cobham
Richmond
Uxbridge
Guildford
Worthing
Romford
Ilford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to London. momondo saves you time and could save you money on your trip.

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

Flights from District of Columbia to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential District of Columbia to London 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 District of Columbia to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from District of Columbia 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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