Which layover airport has the shortest connection time from Washington, D.C. to London Gatwick Airport?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 38m.

Which layover airport offers the lowest fares from Washington, D.C. to London Gatwick Airport?

Flights via Lisbon (LIS) offer the lowest average round-trip price of $445.

Which layover airport has the shortest travel time from Washington, D.C. to London Gatwick Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 25m.

Which airport is the most popular layover for flights between Washington, D.C. and London Gatwick Airport?

Reykjavik (KEF) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

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

On average, it takes 7h 20m 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 17m.

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 April 2026, there is 1 operator 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.

$292 Cheap Flights from Washington, D.C. to London Gatwick Airport in 2026

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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.

10:35 pm - 9:45 am

IAD

LGW

30h 10m

1 stop

9:15 pm - 3:10 pm

LGW

IAD

46h 55m

2 stops

$650TAP AIR PORTUGAL

Sun, Apr 19 - Tue, Apr 28

10:35 pm - 9:45 am

IAD

LGW

30h 10m

1 stop

9:20 pm - 3:10 pm

LGW

IAD

22h 50m

2 stops

$651TAP AIR PORTUGAL

Sun, Apr 19 - Thu, Apr 30

10:35 pm - 3:35 pm

IAD

LGW

12h 00m

1 stop

4:25 pm - 3:10 pm

LGW

IAD

27h 45m

1 stop

$654TAP AIR PORTUGAL

Mon, Apr 27 - Tue, May 19

1:20 pm - 2:00 am

IAD

LGW

31h 40m

2 stops

5:35 am - 11:35 am

LGW

IAD

35h 00m

2 stops

$661Multiple Airlines

Sun, May 3 - Thu, May 14

8:30 pm - 2:40 pm

BWI

LGW

13h 10m

1 stop

1:00 pm - 7:25 pm

LGW

BWI

11h 25m

1 stop

$680Icelandair

Thu, Apr 23 - Tue, Apr 28

8:30 pm - 11:45 am

BWI

LGW

10h 15m

1 stop

1:00 pm - 7:25 pm

LGW

BWI

11h 25m

1 stop

$693Icelandair

Mon, May 4 - Thu, May 7

11:20 pm - 7:15 pm

BWI

LGW

14h 55m

2 stops

7:05 pm - 7:25 pm

LGW

BWI

29h 20m

3 stops

$707Multiple Airlines

Thu, May 14 - Tue, May 19

6:25 pm - 9:35 am

DCA

LGW

10h 10m

1 stop

12:20 pm - 7:56 pm

LGW

DCA

12h 36m

1 stop

$840JetBlue

Tue, Aug 25 - Tue, Sep 1

6:25 pm - 9:35 am

DCA

LGW

10h 10m

1 stop

12:20 pm - 9:50 pm

LGW

DCA

14h 30m

1 stop

$842JetBlue

Wed, Aug 26 - Tue, Sep 8

11:17 am - 6:50 am

DCA

LGW

14h 33m

1 stop

10:45 am - 11:34 pm

LGW

DCA

17h 49m

1 stop

$844British Airways

Tue, May 5 - Wed, May 13

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

Apr 19

IAD10:35 pmWashington, D.C. Dulles Intl

30h 10m

1 stop

LGW9:45 amLondon Gatwick

Apr 28

LGW9:15 pmLondon Gatwick

46h 55m

2 stops

IAD3:10 pmWashington, D.C. Dulles Intl

$650

TAP AIR PORTUGAL

Apr 19

IAD10:35 pmWashington, D.C. Dulles Intl

30h 10m

1 stop

LGW9:45 amLondon Gatwick

Apr 30

LGW9:20 pmLondon Gatwick

22h 50m

2 stops

IAD3:10 pmWashington, D.C. Dulles Intl

$651

TAP AIR PORTUGAL

Apr 16

IAD10:35 pmWashington, D.C. Dulles Intl

30h 10m

1 stop

LGW9:45 amLondon Gatwick

Apr 27

LGW9:15 pmLondon Gatwick

22h 55m

2 stops

IAD3:10 pmWashington, D.C. Dulles Intl

$654

Turkish Airlines flights from Washington, D.C. to London Gatwick Airport

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

Turkish Airlines

Apr 15

IAD1:20 pmWashington, D.C. Dulles Intl

18h 50m

1 stop

LGW1:10 pmLondon Gatwick

Apr 24

LGW5:35 pmLondon Gatwick

23h 00m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$656

Turkish Airlines

Sep 8

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

1 stop

LGW9:55 amLondon Gatwick

Sep 29

LGW2:05 pmLondon Gatwick

26h 30m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$674

Turkish Airlines

Sep 8

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

1 stop

LGW9:55 amLondon Gatwick

Sep 29

LGW2:05 pmLondon Gatwick

26h 30m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$675

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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 4/19

10:35 pm-9:45 am

1 stop30h 10m

London Gatwick

Tue 4/28

9:15 pm-3:10 pm

2 stops46h 55m

$650

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 4/19

10:35 pm-9:45 am

1 stop30h 10m

London Gatwick

Thu 4/30

9:20 pm-3:10 pm

2 stops22h 50m

$651

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 4/27

10:35 pm-3:35 pm

1 stop12h 00m

London Gatwick

Tue 5/19

4:25 pm-3:10 pm

1 stop27h 45m

$654

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 5/3

1:20 pm-2:00 am

2 stops31h 40m

London Gatwick

Thu 5/14

5:35 am-11:35 am

2 stops35h 00m

$661

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 4/23

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Tue 4/28

1:00 pm-7:25 pm

1 stop11h 25m

$680

Quickest round-trip

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Mon 5/4

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

Thu 5/7

1:00 pm-7:25 pm

1 stop11h 25m

$693

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 5/14

11:20 pm-7:15 pm

2 stops14h 55m

London Gatwick

Tue 5/19

7:05 pm-7:25 pm

3 stops29h 20m

$707

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 8/25

6:25 pm-9:35 am

1 stop10h 10m

London Gatwick

Tue 9/1

12:20 pm-7:56 pm

1 stop12h 36m

$840

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 8/26

6:25 pm-9:35 am

1 stop10h 10m

London Gatwick

Tue 9/8

12:20 pm-9:50 pm

1 stop14h 30m

$842

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 5/5

11:17 am-6:50 am

1 stop14h 33m

London Gatwick

Wed 5/13

10:45 am-11:34 pm

1 stop17h 49m

$844

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

Airlines

Layovers

Other information

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

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

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

Fastest flight time	10h 10m
Direct flights	None

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

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 10m 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 April 2026, there is 1 operator 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 77% of all bookings. The subsequent popular airline is American Airlines at 23%.

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
Icelandair	PriceFrom $487	Free Cancellation	Rating 7.0 631 reviews		Search Icelandair flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Stansted

Croydon

Dartford

Brentwood

Guildford

Cobham

Folkestone

Romford

Harrow

Watford

Richmond

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

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.

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Flights to London Heathrow Airportfrom $520

Flights to London City Airportfrom $658

Flights to London Stansted Airportfrom $520

Flights to London Luton Airportfrom $551

Flights to Glasgow Intl Airportfrom $564

Flights to Belfast Intl Airportfrom $706

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $711

Cheap flights from Washington, D.C. to London from $292

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 4/20. 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

Turkish Airlines flights from Washington, D.C. to London Gatwick Airport

Our best Turkish Airlines 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 airline that flies from Washington, D.C. to London Gatwick?

Which airport is the most popular layover for flights between Washington, D.C. and London Gatwick Airport?

Which layover airport offers the lowest fares from Washington, D.C. to London Gatwick Airport?

Which layover airport has the shortest travel time from Washington, D.C. to London Gatwick Airport?

Which layover airport has the shortest connection time from Washington, D.C. to London Gatwick Airport?

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

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

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

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According to popular flight searches on momondo this year