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Cheap flights from District of Columbia to London from $189

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 10/6. 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 District of Columbia to London

Cheap round-trip flights

TAP AIR PORTUGAL Logo
5:30 pm - 3:50 pmIAD-LGW
17h 20m1 stop
TAP AIR PORTUGAL Logo
10:40 am - 9:00 pmLGW-IAD
15h 20m1 stop
$419TAP AIR PORTUGAL
Find Deal
Thu, Nov 27 - Wed, Dec 3
TAP AIR PORTUGAL Logo
10:20 pm - 3:35 pmIAD-LGW
12h 15m1 stop
TAP AIR PORTUGAL Logo
10:35 am - 8:50 pmLGW-IAD
15h 15m1 stop
$421TAP AIR PORTUGAL
Find Deal
Tue, Oct 14 - Tue, Oct 21
Logo
7:14 pm - 10:10 amIAD-LGW
33h 56m1 stop
Logo
2:00 pm - 8:53 pmLGW-IAD
35h 53m1 stop
$456
Find Deal
Sat, Oct 4 - Thu, Oct 9
Logo
7:14 pm - 10:00 amIAD-LGW
33h 46m1 stop
Logo
2:00 pm - 8:53 pmLGW-IAD
35h 53m1 stop
$464
Find Deal
Thu, Oct 2 - Thu, Oct 9
JetBlue Logo
6:59 pm - 9:35 amDCA-LGW
9h 36m1 stop
JetBlue Logo
12:10 pm - 8:09 amLGW-DCA
24h 59m1 stop
$570JetBlue
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Tue, Sep 30 - Tue, Oct 7
JetBlue Logo
4:45 pm - 9:35 amDCA-LGW
11h 50m1 stop
JetBlue Logo
12:10 pm - 8:51 pmLGW-DCA
13h 41m1 stop
$582JetBlue
Find Deal
Mon, Sep 22 - Wed, Oct 8
American Airlines Logo
2:55 pm - 8:10 amDCA-LGW
12h 15m1 stop
American Airlines Logo
3:05 pm - 10:57 pmLGW-DCA
12h 52m1 stop
$610American Airlines
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Wed, Oct 8 - Wed, Oct 15
British Airways Logo
1:39 pm - 8:10 amDCA-LGW
13h 31m1 stop
British Airways Logo
3:05 pm - 10:57 pmLGW-DCA
12h 52m1 stop
$612British Airways
Find Deal
Wed, Oct 1 - Tue, Oct 14
American Airlines Logo
2:59 pm - 8:10 amDCA-LGW
12h 11m2 stops
American Airlines Logo
12:20 pm - 11:59 pmLGW-DCA
16h 39m2 stops
$614American Airlines
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Tue, Sep 30 - Tue, Oct 7
British Airways Logo
3:35 pm - 7:50 amDCA-LGW
11h 15m1 stop
British Airways Logo
3:05 pm - 11:07 pmLGW-DCA
13h 02m1 stop
$634British Airways
Find Deal
Sun, Sep 14 - Fri, Sep 26

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
Nov 27
IAD5:30 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
LGW3:50 pmLondon Gatwick
Dec 3
LGW10:40 amLondon Gatwick
15h 20m
1 stop
IAD9:00 pmWashington, D.C. Dulles Intl
$419
Find similar
TAP AIR PORTUGAL
Oct 14
IAD10:20 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LGW3:35 pmLondon Gatwick
Oct 21
LGW10:35 amLondon Gatwick
15h 15m
1 stop
IAD8:50 pmWashington, D.C. Dulles Intl
$421
Find similar
TAP AIR PORTUGAL
Sep 23
IAD5:00 pmWashington, D.C. Dulles Intl
11h 45m
1 stop
LGW9:45 amLondon Gatwick
Oct 8
LGW4:25 pmLondon Gatwick
27h 55m
1 stop
IAD3:20 pmWashington, D.C. Dulles Intl
$422
Find similar

American Airlines flights from District of Columbia to London Gatwick Airport

Our best American Airlines deals on District of Columbia to London Gatwick Airport flight tickets
American Airlines
Oct 8
DCA2:55 pmWashington, D.C. Reagan-National
12h 15m
1 stop
LGW8:10 amLondon Gatwick
Oct 15
LGW3:05 pmLondon Gatwick
12h 52m
1 stop
DCA10:57 pmWashington, D.C. Reagan-National
$610
Find similar
American Airlines
Sep 30
DCA2:59 pmWashington, D.C. Reagan-National
12h 11m
2 stops
LGW8:10 amLondon Gatwick
Oct 7
LGW12:20 pmLondon Gatwick
16h 39m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$614
Find similar
American Airlines
Sep 22
DCA8:39 amWashington, D.C. Reagan-National
18h 56m
1 stop
LGW8:35 amLondon Gatwick
Oct 8
LGW12:20 pmLondon Gatwick
16h 39m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$616
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 August 17, 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

Thu 11/27

5:30 pm-3:50 pm

1 stop17h 20m

London Gatwick

Wed 12/3

10:40 am-9:00 pm

1 stop15h 20m

$419

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 10/14

10:20 pm-3:35 pm

1 stop12h 15m

London Gatwick

Tue 10/21

10:35 am-8:50 pm

1 stop15h 15m

$421

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 10/4

7:14 pm-10:10 am

1 stop33h 56m

London Gatwick

Thu 10/9

2:00 pm-8:53 pm

1 stop35h 53m

$456

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 10/2

7:14 pm-10:00 am

1 stop33h 46m

London Gatwick

Thu 10/9

2:00 pm-8:53 pm

1 stop35h 53m

$464

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/30

6:59 pm-9:35 am

1 stop9h 36m

London Gatwick

Tue 10/7

12:10 pm-8:09 am

1 stop24h 59m

$570

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/22

4:45 pm-9:35 am

1 stop11h 50m

London Gatwick

Wed 10/8

12:10 pm-8:51 pm

1 stop13h 41m

$582

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 10/8

2:55 pm-8:10 am

1 stop12h 15m

London Gatwick

Wed 10/15

3:05 pm-10:57 pm

1 stop12h 52m

$610

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 10/1

1:39 pm-8:10 am

1 stop13h 31m

London Gatwick

Tue 10/14

3:05 pm-10:57 pm

1 stop12h 52m

$612

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/30

2:59 pm-8:10 am

2 stops12h 11m

London Gatwick

Tue 10/7

12:20 pm-11:59 pm

2 stops16h 39m

$614

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 9/14

3:35 pm-7:50 am

1 stop11h 15m

London Gatwick

Fri 9/26

3:05 pm-11:07 pm

1 stop13h 02m

$634

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 $540.

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

Best Price Found

$189

Fastest flight time

9h 35m

Direct flights

None
The best one-way flight to London Gatwick Airport from District of Columbia in the past 72 hours is $189. The best round-trip flight deal from District of Columbia to London Gatwick Airport found on momondo in the last 72 hours is $419.
The fastest flight from District of Columbia to London Gatwick Airport takes 9h 35m
There are no direct flights from District of Columbia to London Gatwick Airport. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - 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
IcelandairPriceFrom $481Free CancellationRating
7.0
527 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
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Brentwood
Ilford
Colchester
Folkestone
Watford
Richmond
Canterbury
Wembley

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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