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Cheap flights from District of Columbia to London from $247

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 10/23. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 am - 3:45 pmIAD-LGW
25h 00m2 stops
Multiple Airlines Logo
4:00 pm - 3:50 pmLGW-IAD
28h 50m2 stops
$559Multiple Airlines
Find Deal
Sun, Nov 16 - Wed, Nov 19
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
$560Icelandair
Find Deal
Thu, Nov 13 - Sat, Nov 22
Multiple Airlines Logo
9:40 am - 9:10 pmDCA-LGW
30h 30m3 stops
Multiple Airlines Logo
7:00 am - 9:56 pmLGW-DCA
19h 56m2 stops
$560Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 18
TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pmIAD-LGW
17h 20m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 9:00 pmLGW-IAD
33h 25m1 stop
$561TAP AIR PORTUGAL
Find Deal
Thu, Jan 15 - Tue, Jan 20
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
$562Icelandair
Find Deal
Sun, Nov 16 - Sat, Nov 22
Icelandair Logo
7:40 pm - 10:55 amIAD-LGW
10h 15m1 stop
Icelandair Logo
11:55 am - 6:30 pmLGW-IAD
11h 35m1 stop
$563Icelandair
Find Deal
Fri, Nov 14 - Mon, Nov 24
TAP AIR PORTUGAL Logo
5:30 pm - 9:50 amIAD-LGW
11h 20m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 9:00 pmLGW-IAD
33h 25m1 stop
$564TAP AIR PORTUGAL
Find Deal
Mon, Nov 24 - Tue, Dec 2
British Airways Logo
11:45 am - 7:30 amDCA-LGW
14h 45m1 stop
British Airways Logo
11:20 am - 11:07 pmLGW-DCA
16h 47m1 stop
$572British Airways
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Tue, Dec 2 - Wed, Dec 10
SWISS Logo
8:30 pm - 5:50 pmIAD-LGW
16h 20m1 stop
SWISS Logo
6:40 pm - 4:40 pmLGW-IAD
27h 00m1 stop
$591SWISS
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Sun, Nov 16 - Mon, Nov 24
British Airways Logo
11:30 am - 7:30 amDCA-LGW
15h 00m1 stop
British Airways Logo
11:20 am - 10:00 pmLGW-DCA
14h 40m1 stop
$628British Airways
Find Deal
Mon, Mar 2 - Mon, Mar 9

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
Oct 22
DCA2:59 pmWashington, D.C. Reagan-National
13h 36m
1 stop
LGW9:35 amLondon Gatwick
Oct 25
LGW12:10 pmLondon Gatwick
13h 42m
1 stop
DCA8:52 pmWashington, D.C. Reagan-National
$708
Find similar
JetBlue
Oct 21
DCA6:55 pmWashington, D.C. Reagan-National
9h 40m
1 stop
LGW9:35 amLondon Gatwick
Oct 24
LGW12:10 pmLondon Gatwick
32h 52m
1 stop
DCA4:02 pmWashington, D.C. Reagan-National
$753
Find similar
JetBlue
Oct 22
DCA4:39 pmWashington, D.C. Reagan-National
11h 56m
1 stop
LGW9:35 amLondon Gatwick
Oct 24
LGW12:10 pmLondon Gatwick
26h 56m
1 stop
DCA10:06 amWashington, D.C. Reagan-National
$905
Find similar

Turkish Airlines flights from District of Columbia to London Gatwick Airport

Our best Turkish Airlines deals on District of Columbia to London Gatwick Airport flight tickets
Turkish Airlines
Oct 23
IAD9:40 pmWashington, D.C. Dulles Intl
34h 20m
1 stop
LGW1:00 pmLondon Gatwick
Nov 13
LGW6:25 amLondon Gatwick
17h 55m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$630
Find similar
Turkish Airlines
Oct 22
IAD1:30 pmWashington, D.C. Dulles Intl
21h 45m
1 stop
LGW4:15 pmLondon Gatwick
Nov 18
LGW6:25 amLondon Gatwick
17h 55m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$640
Find similar
Turkish Airlines
Oct 25
IAD1:30 pmWashington, D.C. Dulles Intl
29h 05m
1 stop
LGW11:35 pmLondon Gatwick
Oct 29
LGW10:15 amLondon Gatwick
30h 30m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$658
Find similar

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 October 16, 2025.
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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

9:45 am-3:45 pm

2 stops25h 00m

London Gatwick

Wed 11/19

4:00 pm-3:50 pm

2 stops28h 50m

$559

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 11/13

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 11/22

11:55 am-6:30 pm

1 stop11h 35m

$560

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 12/9

9:40 am-9:10 pm

3 stops30h 30m

London Gatwick

Thu 12/18

7:00 am-9:56 pm

2 stops19h 56m

$560

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 1/15

5:30 pm-3:50 pm

1 stop17h 20m

London Gatwick

Tue 1/20

4:35 pm-9:00 pm

1 stop33h 25m

$561

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 11/22

11:55 am-6:30 pm

1 stop11h 35m

$562

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 11/14

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Mon 11/24

11:55 am-6:30 pm

1 stop11h 35m

$563

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 11/24

5:30 pm-9:50 am

1 stop11h 20m

London Gatwick

Tue 12/2

4:35 pm-9:00 pm

1 stop33h 25m

$564

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 12/2

11:45 am-7:30 am

1 stop14h 45m

London Gatwick

Wed 12/10

11:20 am-11:07 pm

1 stop16h 47m

$572

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 11/16

8:30 pm-5:50 pm

1 stop16h 20m

London Gatwick

Mon 11/24

6:40 pm-4:40 pm

1 stop27h 00m

$591

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 3/2

11:30 am-7:30 am

1 stop15h 00m

London Gatwick

Mon 3/9

11:20 am-10:00 pm

1 stop14h 40m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, January 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 $501. If you are unable to visit London Gatwick Airport during the month of January, then departing from District of Columbia during the month November is also very affordable. Most momondo users find prices during this month for around $579.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from District of Columbia to London Gatwick Airport is on a Wednesday when prices can be found for as low as $674. 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 London Gatwick Airport on Saturday is $885.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Flying to London Gatwick Airport from District of Columbia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $694 when looking at flights departing in the evening. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $819 per ticket.

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

Direct flights

None
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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  • 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 $425Free CancellationRating
7.1
2,015 reviews
Search TAP AIR PORTUGAL flights
IcelandairPriceFrom $472Free CancellationRating
7.0
556 reviews
Search Icelandair flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Dartford
Crawley
Hayes
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford

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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