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

Reykjavik (KEF) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

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.

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

On average, it takes 7h 05m 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 05m.

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 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 May 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.

$225 Cheap Flights from Washington, D.C. to London Gatwick Airport in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and London Gatwick Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,361 to $897. The lowest price recently found on this route was $829.

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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.

11:20 pm - 2:40 pm

BWI

LGW

10h 20m

1 stop

2:00 pm - 9:28 am

LGW

BWI

24h 28m

1 stop

$829Multiple Airlines

Thu, Sep 10 - Mon, Sep 14

8:30 pm - 11:45 am

BWI

LGW

10h 15m

1 stop

2:00 pm - 9:06 am

LGW

BWI

24h 06m

1 stop

$831Multiple Airlines

Sat, Aug 29 - Tue, Sep 1

7:27 pm - 10:00 am

BWI

LGW

33h 33m

1 stop

2:00 pm - 3:33 pm

LGW

BWI

30h 33m

2 stops

$834Multiple Airlines

Tue, Aug 4 - Wed, Aug 19

11:20 pm - 2:40 pm

BWI

LGW

10h 20m

1 stop

3:40 pm - 10:15 pm

LGW

BWI

11h 35m

1 stop

$835Icelandair

Thu, Jul 23 - Wed, Aug 12

9:28 pm - 10:00 am

BWI

LGW

31h 32m

1 stop

2:00 pm - 9:06 am

LGW

BWI

24h 06m

1 stop

$838Multiple Airlines

Wed, Aug 5 - Wed, Aug 19

8:40 pm - 10:55 am

BWI

LGW

10h 15m

1 stop

11:55 am - 6:40 pm

LGW

BWI

11h 45m

1 stop

$841Icelandair

Fri, Oct 30 - Mon, Nov 9

5:05 pm - 9:45 am

IAD

LGW

11h 40m

1 stop

9:15 pm - 3:10 pm

LGW

IAD

22h 55m

2 stops

$844TAP AIR PORTUGAL

Sat, Aug 15 - Tue, Aug 25

9:45 pm - 10:25 pm

IAD

LGW

19h 40m

1 stop

5:35 pm - 11:35 am

LGW

IAD

23h 00m

1 stop

$846Turkish Airlines

Tue, Sep 29 - Tue, Oct 6

5:05 pm - 3:35 pm

IAD

LGW

17h 30m

1 stop

10:35 am - 8:35 pm

LGW

IAD

15h 00m

1 stop

$852TAP AIR PORTUGAL

Tue, Oct 6 - Tue, Oct 13

8:35 am - 8:35 am

DCA

LGW

19h 00m

1 stop

10:45 am - 11:59 pm

LGW

DCA

18h 14m

2 stops

$861American Airlines

Wed, Sep 2 - Wed, Sep 9

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

Jul 23

BWI11:20 pmBaltimore/Washington

10h 20m

1 stop

LGW2:40 pmLondon Gatwick

Aug 12

LGW3:40 pmLondon Gatwick

11h 35m

1 stop

BWI10:15 pmBaltimore/Washington

$835

Icelandair

Oct 7

BWI8:30 pmBaltimore/Washington

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

Oct 14

LGW3:40 pmLondon Gatwick

32h 45m

1 stop

BWI7:25 pmBaltimore/Washington

$836

Icelandair

Oct 6

BWI11:20 pmBaltimore/Washington

10h 20m

1 stop

LGW2:40 pmLondon Gatwick

Oct 14

LGW3:40 pmLondon Gatwick

32h 45m

1 stop

BWI7:25 pmBaltimore/Washington

$837

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

Sep 29

IAD9:45 pmWashington, D.C. Dulles Intl

19h 40m

1 stop

LGW10:25 pmLondon Gatwick

Oct 6

LGW5:35 pmLondon Gatwick

23h 00m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$846

Turkish Airlines

Sep 16

IAD9:45 pmWashington, D.C. Dulles Intl

19h 45m

1 stop

LGW10:30 pmLondon Gatwick

Sep 23

LGW7:05 amLondon Gatwick

17h 45m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$859

Turkish Airlines

Sep 17

IAD9:45 pmWashington, D.C. Dulles Intl

19h 40m

1 stop

LGW10:25 pmLondon Gatwick

Sep 29

LGW5:35 pmLondon Gatwick

23h 00m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$863

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 - LGW

BWILGW

Baltimore/Washington

Thu 9/10

11:20 pm-2:40 pm

1 stop10h 20m

London Gatwick

Mon 9/14

2:00 pm-9:28 am

1 stop24h 28m

$829

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 8/29

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

Tue 9/1

2:00 pm-9:06 am

1 stop24h 06m

$831

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Tue 8/4

7:27 pm-10:00 am

1 stop33h 33m

London Gatwick

Wed 8/19

2:00 pm-3:33 pm

2 stops30h 33m

$834

Quickest round-trip

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 7/23

11:20 pm-2:40 pm

1 stop10h 20m

London Gatwick

Wed 8/12

3:40 pm-10:15 pm

1 stop11h 35m

$835

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 8/5

9:28 pm-10:00 am

1 stop31h 32m

London Gatwick

Wed 8/19

2:00 pm-9:06 am

1 stop24h 06m

$838

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 10/30

8:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Mon 11/9

11:55 am-6:40 pm

1 stop11h 45m

$841

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 8/15

5:05 pm-9:45 am

1 stop11h 40m

London Gatwick

Tue 8/25

9:15 pm-3:10 pm

2 stops22h 55m

$844

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/29

9:45 pm-10:25 pm

1 stop19h 40m

London Gatwick

Tue 10/6

5:35 pm-11:35 am

1 stop23h 00m

$846

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 10/6

5:05 pm-3:35 pm

1 stop17h 30m

London Gatwick

Tue 10/13

10:35 am-8:35 pm

1 stop15h 00m

$852

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/2

8:35 am-8:35 am

1 stop19h 00m

London Gatwick

Wed 9/9

10:45 am-11:59 pm

2 stops18h 14m

$861

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

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and London Gatwick Airport?

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

In general, March 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 $309. If you are unable to visit London Gatwick Airport during the month of March, then departing from Washington, D.C. during the month November is also very affordable. Most momondo users find prices during this month for around $417.

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	9h 50m
Direct flights	None

The fastest flight from Washington, D.C. to London Gatwick Airport takes 9h 50m

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 9h 50m 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 May 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 65% of all bookings. The subsequent popular airline is American Airlines at 35%.

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 2,257 reviews		Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $490	Free Cancellation	Rating 7.0 657 reviews		Search Icelandair flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Ilford

Cobham

Folkestone

Uxbridge

Romford

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 $483

Flights to London Stansted Airportfrom $515

Flights to London City Airportfrom $696

Flights to London Luton Airportfrom $477

Flights to Glasgow Intl Airportfrom $587

Flights to Belfast Intl Airportfrom $709

Flights to London Southend Airportfrom $611

Flights to Belfast City Airportfrom $673

Cheap flights from Washington, D.C. to London from $225

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 7/20. 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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Icelandair flights from Washington, D.C. to London Gatwick Airport

Our best Icelandair 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 typical price of a round-trip flight between Washington, D.C. and London Gatwick Airport?

What is the cheapest month to fly 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

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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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