What is the cheapest airline that flies from Washington, D.C. to London Gatwick?

Delta, Icelandair, and TAP AIR PORTUGAL are the most popular carriers operating from Washington, D.C. to London Gatwick

How long does it take to fly to London Gatwick Airport?

On average, it takes 7h 10m to fly from Washington, D.C. to London Gatwick Airport if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of Washington, D.C. and into London Heathrow Airport, then the flight time is around 8h 10m.

When did momondo last update prices for flights from Washington, D.C. to London Gatwick Airport?

Prices for flights from Washington, D.C. to London Gatwick Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to London Gatwick Airport?

As of September 2026, there are 2 operators available to choose from for flights from Washington, D.C. to London Gatwick Airport.

How old do you have to be to fly from Washington, D.C. to London Gatwick Airport?

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 Washington, D.C. 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.

$246 Cheap Flights from Washington, D.C. to London Gatwick Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 2:40 pmBWI Baltimore/Washington-LGW London Gatwick

13h 10m1 stop Reykjavik Keflavik Intl

11:55 am - 7:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$681Icelandair

Sun, Oct 18 - Thu, Oct 29

7:40 pm - 10:55 amBWI Baltimore/Washington-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

11:55 am - 6:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$682Icelandair

Sun, Nov 8 - Wed, Nov 18

7:40 pm - 10:55 amBWI Baltimore/Washington-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

11:55 am - 6:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$682Icelandair

Sat, Nov 7 - Wed, Nov 18

7:40 pm - 10:55 amBWI Baltimore/Washington-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

11:55 am - 6:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$682Icelandair

Sat, Nov 7 - Fri, Nov 13

9:15 am - 10:00 amBWI Baltimore/Washington-LGW London Gatwick

19h 45m1 stop Orlando

12:35 pm - 8:17 amLGW London Gatwick-BWI Baltimore/Washington

24h 42m1 stop Orlando

$683Multiple Airlines

Fri, Oct 16 - Sun, Nov 1

3:15 pm - 10:00 amBWI Baltimore/Washington-LGW London Gatwick

13h 45m1 stop Orlando

11:00 am - 8:17 amLGW London Gatwick-BWI Baltimore/Washington

25h 17m1 stop Orlando

$684Multiple Airlines

Wed, Oct 14 - Thu, Oct 29

7:40 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

21h 05m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

7:30 pm - 6:30 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

28h 00m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$692Multiple Airlines

Wed, Nov 4 - Mon, Nov 9

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

11h 35m1 stop Lisbon Humberto Delgado

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

27h 40m1 stop Lisbon Humberto Delgado

$698TAP AIR PORTUGAL

Wed, Jan 13 - Wed, Jan 20

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

12h 15m1 stop Lisbon Humberto Delgado

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

27h 40m1 stop Lisbon Humberto Delgado

$698TAP AIR PORTUGAL

Fri, Jan 15 - Wed, Jan 20

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

11h 25m1 stop Lisbon Humberto Delgado

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

27h 05m1 stop Lisbon Humberto Delgado

$699TAP AIR PORTUGAL

Thu, Jan 21 - Mon, Jan 25

Cheap last minute flights

Enter your travel dates to find the best prices.

6:59 am - 11:40 amDCA Washington, D.C. Reagan-National-LGW London Gatwick

23h 41m2 stops Toronto Pearson Intl Madrid Barajas

6:00 am - 10:34 pmLGW London Gatwick-DCA Washington, D.C. Reagan-National

21h 34m3 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$706Multiple Airlines

Mon, Oct 5 - Wed, Oct 14

10:20 pm - 8:30 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

29h 10m3 stops Munich Franz Josef Strauss Madrid Barajas Barcelona-El Prat

4:25 pm - 7:00 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

31h 35m3 stops Lisbon Humberto Delgado Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$741Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

10:35 pm - 9:45 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 10m1 stop Lisbon Humberto Delgado

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

27h 05m1 stop Lisbon Humberto Delgado

$756TAP AIR PORTUGAL

Mon, Oct 5 - Mon, Nov 9

10:35 pm - 9:45 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 10m1 stop Lisbon Humberto Delgado

9:25 pm - 2:40 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

46h 15m2 stops Porto Lisbon Humberto Delgado

$777TAP AIR PORTUGAL

Sun, Oct 4 - Sun, Nov 8

10:35 pm - 9:45 amIAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 10m1 stop Lisbon Humberto Delgado

11:00 am - 2:40 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m2 stops Porto Lisbon Humberto Delgado

$777TAP AIR PORTUGAL

Mon, Oct 5 - Mon, Nov 9

11:20 pm - 2:40 pmBWI Baltimore/Washington-LGW London Gatwick

10h 20m1 stop Reykjavik Keflavik Intl

11:55 am - 6:40 pmLGW London Gatwick-BWI Baltimore/Washington

11h 45m1 stop Reykjavik Keflavik Intl

$784Icelandair

Tue, Oct 6 - Mon, Nov 2

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

13h 10m1 stop Reykjavik Keflavik Intl

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

11h 35m1 stop Reykjavik Keflavik Intl

$801Icelandair

Tue, Oct 6 - Mon, Nov 2

6:59 am - 11:40 amDCA Washington, D.C. Reagan-National-LGW London Gatwick

23h 41m2 stops Toronto Pearson Intl Madrid Barajas

6:00 am - 10:20 amLGW London Gatwick-DCA Washington, D.C. Reagan-National

33h 20m2 stops Madrid Barajas Montreal Pierre Elliott Trudeau Intl

$805Multiple Airlines

Mon, Oct 5 - Wed, Oct 14

3:25 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-LGW London Gatwick

27h 30m2 stops Frankfurt am Main Madrid Barajas

4:25 pm - 4:05 pmLGW London Gatwick-IAD Washington, D.C. Dulles Intl

28h 40m3 stops Lisbon Humberto Delgado Madrid Barajas Frankfurt am Main

$820Multiple Airlines

Mon, Oct 5 - Wed, Oct 14

11:20 pm - 2:40 pmBWI Baltimore/Washington-LGW London Gatwick

10h 20m1 stop Reykjavik Keflavik Intl

3:40 pm - 10:15 pmLGW London Gatwick-BWI Baltimore/Washington

11h 35m1 stop Reykjavik Keflavik Intl

$822Icelandair

Thu, Oct 1 - Thu, Oct 8

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TAP AIR PORTUGAL flights from Washington, D.C. to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to London Gatwick Airport flight tickets

TAP AIR PORTUGAL

Jan 14

IAD5:25 pmWashington, D.C. Dulles Intl

11h 25m

1 stop

LGW9:50 amLondon Gatwick

Jan 18

LGW4:35 pmLondon Gatwick

27h 05m

1 stop

IAD2:40 pmWashington, D.C. Dulles Intl

$699

TAP AIR PORTUGAL

Nov 2

IAD5:25 pmWashington, D.C. Dulles Intl

22h 10m

2 stops

LGW8:35 pmLondon Gatwick

Nov 11

LGW4:35 pmLondon Gatwick

27h 40m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

$700

TAP AIR PORTUGAL

Oct 21

IAD10:35 pmWashington, D.C. Dulles Intl

16h 55m

2 stops

LGW8:30 pmLondon Gatwick

Dec 2

LGW4:35 pmLondon Gatwick

27h 40m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

$706

Icelandair flights from Washington, D.C. to London Gatwick Airport

Our best Icelandair deals on Washington, D.C. to London Gatwick Airport flight tickets

Icelandair

Oct 18

BWI8:30 pmBaltimore/Washington

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

Oct 29

LGW11:55 amLondon Gatwick

11h 45m

1 stop

BWI7:40 pmBaltimore/Washington

$681

Icelandair

Nov 7

BWI7:40 pmBaltimore/Washington

10h 15m

1 stop

LGW10:55 amLondon Gatwick

Nov 13

LGW11:55 amLondon Gatwick

11h 45m

1 stop

BWI6:40 pmBaltimore/Washington

$682

Icelandair

Oct 13

BWI11:20 pmBaltimore/Washington

10h 20m

1 stop

LGW2:40 pmLondon Gatwick

Oct 28

LGW11:55 amLondon Gatwick

11h 45m

1 stop

BWI7:40 pmBaltimore/Washington

$685

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sun 10/18

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Thu 10/29

11:55 am-7:40 pm

1 stop11h 45m

$681

Quickest round-trip

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sun 11/8

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 11/18

11:55 am-6:40 pm

1 stop11h 45m

$682

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sat 11/7

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 11/18

11:55 am-6:40 pm

1 stop11h 45m

$682

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sat 11/7

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Fri 11/13

11:55 am-6:40 pm

1 stop11h 45m

$682

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Fri 10/16

9:15 am-10:00 am

1 stop19h 45m

London Gatwick

Sun 11/1

12:35 pm-8:17 am

1 stop24h 42m

$683

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Wed 10/14

3:15 pm-10:00 am

1 stop13h 45m

London Gatwick

Thu 10/29

11:00 am-8:17 am

1 stop25h 17m

$684

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Wed 11/4

7:40 pm-9:45 pm

2 stops21h 05m

London Gatwick

Mon 11/9

7:30 pm-6:30 pm

2 stops28h 00m

$692

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Wed 1/13

10:30 pm-3:05 pm

1 stop11h 35m

London Gatwick

Wed 1/20

4:35 pm-3:15 pm

1 stop27h 40m

$698

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Fri 1/15

10:30 pm-3:45 pm

1 stop12h 15m

London Gatwick

Wed 1/20

4:35 pm-3:15 pm

1 stop27h 40m

$698

Washington, D.C.London

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

IADLGW

Washington, D.C. Dulles Intl

Thu 1/21

5:25 pm-9:50 am

1 stop11h 25m

London Gatwick

Mon 1/25

4:35 pm-2:40 pm

1 stop27h 05m

$699

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 Washington, D.C. 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

Prices

Airlines

Other information

What is the cheapest month to fly to London Gatwick Airport?

In general, February is the cheapest month to fly from Washington, D.C. 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 Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $505.

Can stopping save me money on Washington, D.C. to London Gatwick Airport flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to London Gatwick Airport flight.

When to book flights from Washington, D.C. to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to London Gatwick Airport (WAS to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to London Gatwick Airport

Best Price Found	$246
Fastest flight time	10h 05m
Direct flights	None

The best one-way flight to London Gatwick Airport from Washington, D.C. in the past 72 hours is $246. The best round-trip flight deal from Washington, D.C. to London Gatwick Airport found on momondo in the last 72 hours is $681.

The fastest flight from Washington, D.C. to London Gatwick Airport takes 10h 05m

There are no direct flights from Washington, D.C. to London Gatwick Airport. There are no popular flight routes from Washington, D.C. to London Gatwick Airport.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to London Gatwick Airport

How far is Washington, D.C. to London Gatwick by plane?
A flight from Washington, D.C. to London Gatwick will travel around 3667.7 mi. Typically, this will take 10h 05m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. to London Gatwick Airport?
Prices for flights from Washington, D.C. to London Gatwick Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to London Gatwick Airport?
As of September 2026, there are 2 operators available to choose from for flights from Washington, D.C. to London Gatwick Airport.
How old do you have to be to fly from Washington, D.C. to London Gatwick Airport?
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 Washington, D.C. 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.
What is the most popular airline from Washington, D.C. to London Gatwick Airport?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to London Gatwick Airport is Icelandair, representing 100% of all bookings.

Best airlines flying from Washington, D.C. to London Gatwick Airport

Compare and see reviews for airlines that fly from Washington, D.C. to London Gatwick Airport with momondo

Airline	Rating	Free Cancellation	Price
TAP AIR PORTUGAL	PriceFrom $309	Free Cancellation	Rating 7.2 2,384 reviews		Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $465	Free Cancellation	Rating 6.9 757 reviews		Search Icelandair flights

Hounslow

Gatwick

Croydon

Hayes

Luton

Dover

Wembley

Milton Keynes

Kingston upon Thames

Richmond

Stansted

Watford

Harrow

Cobham

Worthing

Eastbourne

Slough

Hook

Ilford

Canterbury

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to London?

Finding the right flight to London from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to London?

momondo provides multiple filters to help you find the best flight to London from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to London 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.

An easier way to manage your London Gatwick Airport trip

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Flights to London Heathrow Airportfrom $484

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Flights to London Southend Airportfrom $676

Flights to Belfast Intl Airportfrom $711

Flights to Belfast City Airportfrom $678

Cheap flights from Washington, D.C. to London from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to London departing on 12/2. 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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TAP AIR PORTUGAL flights from Washington, D.C. to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to London Gatwick Airport flight tickets

Icelandair flights from Washington, D.C. to London Gatwick Airport

Our best Icelandair deals on Washington, D.C. to London Gatwick Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to London Gatwick Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Washington, D.C. to London Gatwick Airport

What is the cheapest month to fly to London Gatwick Airport?

Can stopping save me money on Washington, D.C. to London Gatwick Airport flights?

What is the cheapest airline that flies from Washington, D.C. to London Gatwick?

How long does it take to fly to London Gatwick Airport?

When to book flights from Washington, D.C. to London Gatwick Airport

Cheap Washington, D.C. to London Gatwick Airport (WAS to LGW) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to London Gatwick Airport

Best airlines flying from Washington, D.C. to London Gatwick Airport

Compare and see reviews for airlines that fly from Washington, D.C. to London Gatwick Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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