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 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 12m.

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

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

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 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.

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 July 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.

$217 Cheap Flights from Washington, D.C. to London Gatwick Airport in 2026

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 - 7:15 pm

IAD

LGW

17h 45m

2 stops

2:00 pm - 10:07 am

LGW

IAD

25h 07m

1 stop

$672Multiple Airlines

Mon, Aug 24 - Tue, Sep 1

1:32 pm - 10:00 am

IAD

LGW

15h 28m

1 stop

2:00 pm - 10:07 am

LGW

IAD

25h 07m

1 stop

$673Multiple Airlines

Tue, Jul 28 - Tue, Aug 18

1:32 pm - 10:00 am

IAD

LGW

15h 28m

1 stop

2:00 pm - 4:07 pm

LGW

IAD

31h 07m

1 stop

$676Multiple Airlines

Sun, Aug 16 - Sun, Aug 23

1:32 pm - 10:00 am

IAD

LGW

15h 28m

1 stop

2:00 pm - 9:50 am

LGW

IAD

24h 50m

1 stop

$677Multiple Airlines

Thu, Jul 30 - Sun, Aug 23

8:30 pm - 11:45 am

IAD

LGW

10h 15m

1 stop

2:00 pm - 10:07 am

LGW

IAD

25h 07m

1 stop

$678Multiple Airlines

Wed, Aug 19 - Tue, Sep 1

4:20 pm - 12:30 pm

DCA

LGW

15h 10m

2 stops

9:30 pm - 6:12 pm

LGW

DCA

25h 42m

2 stops

$678Multiple Airlines

Wed, Sep 2 - Sat, Sep 5

11:10 am - 10:00 am

IAD

LGW

17h 50m

1 stop

2:00 pm - 4:07 pm

LGW

IAD

31h 07m

1 stop

$679Multiple Airlines

Fri, Aug 14 - Wed, Aug 19

5:40 pm - 11:55 pm

IAD

LGW

25h 15m

2 stops

5:00 pm - 3:10 pm

LGW

IAD

27h 10m

2 stops

$680Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

5:59 pm - 9:35 am

DCA

LGW

10h 36m

1 stop

12:20 pm - 7:07 pm

LGW

DCA

11h 47m

1 stop

$749JetBlue

Mon, Jul 27 - Tue, Sep 1

6:00 pm - 9:35 am

DCA

LGW

10h 35m

1 stop

12:20 pm - 7:07 pm

LGW

DCA

11h 47m

1 stop

$750JetBlue

Wed, Sep 2 - Sat, Sep 5

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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

Icelandair

Oct 21

IAD11:15 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

LGW2:40 pmLondon Gatwick

Oct 31

LGW11:55 amLondon Gatwick

11h 35m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$683

Icelandair

Oct 3

IAD8:30 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

Oct 11

LGW3:40 pmLondon Gatwick

11h 35m

1 stop

IAD10:15 pmWashington, D.C. Dulles Intl

$686

Icelandair

Oct 3

IAD8:30 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

LGW2:40 pmLondon Gatwick

Oct 8

LGW3:40 pmLondon Gatwick

32h 40m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$687

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

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

JetBlue

Jul 27

DCA5:59 pmWashington, D.C. Reagan-National

10h 36m

1 stop

LGW9:35 amLondon Gatwick

Sep 1

LGW12:20 pmLondon Gatwick

11h 47m

1 stop

DCA7:07 pmWashington, D.C. Reagan-National

$749

JetBlue

Sep 2

DCA6:00 pmWashington, D.C. Reagan-National

10h 35m

1 stop

LGW9:35 amLondon Gatwick

Sep 8

LGW12:20 pmLondon Gatwick

12h 36m

1 stop

DCA7:56 pmWashington, D.C. Reagan-National

$750

JetBlue

Aug 26

DCA5:59 pmWashington, D.C. Reagan-National

10h 36m

1 stop

LGW9:35 amLondon Gatwick

Sep 1

LGW12:20 pmLondon Gatwick

11h 47m

1 stop

DCA7:07 pmWashington, D.C. Reagan-National

$751

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

Mon 8/24

8:30 pm-7:15 pm

2 stops17h 45m

London Gatwick

Tue 9/1

2:00 pm-10:07 am

1 stop25h 07m

$672

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 7/28

1:32 pm-10:00 am

1 stop15h 28m

London Gatwick

Tue 8/18

2:00 pm-10:07 am

1 stop25h 07m

$673

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 8/16

1:32 pm-10:00 am

1 stop15h 28m

London Gatwick

Sun 8/23

2:00 pm-4:07 pm

1 stop31h 07m

$676

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 7/30

1:32 pm-10:00 am

1 stop15h 28m

London Gatwick

Sun 8/23

2:00 pm-9:50 am

1 stop24h 50m

$677

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-11:45 am

1 stop10h 15m

London Gatwick

Tue 9/1

2:00 pm-10:07 am

1 stop25h 07m

$678

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/2

4:20 pm-12:30 pm

2 stops15h 10m

London Gatwick

Sat 9/5

9:30 pm-6:12 pm

2 stops25h 42m

$678

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 8/14

11:10 am-10:00 am

1 stop17h 50m

London Gatwick

Wed 8/19

2:00 pm-4:07 pm

1 stop31h 07m

$679

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/28

5:40 pm-11:55 pm

2 stops25h 15m

London Gatwick

Mon 10/5

5:00 pm-3:10 pm

2 stops27h 10m

$680

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 7/27

5:59 pm-9:35 am

1 stop10h 36m

London Gatwick

Tue 9/1

12:20 pm-7:07 pm

1 stop11h 47m

$749

Quickest round-trip

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/2

6:00 pm-9:35 am

1 stop10h 35m

London Gatwick

Sat 9/5

12:20 pm-7:07 pm

1 stop11h 47m

$750

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

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Other information

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 40m
Direct flights	None

The fastest flight from Washington, D.C. to London Gatwick Airport takes 9h 40m

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 40m 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 July 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 2,311 reviews		Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $505	Free Cancellation	Rating 7.0 695 reviews		Search Icelandair flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

Uxbridge

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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 $284

Flights to London Stansted Airportfrom $505

Flights to London City Airportfrom $331

Flights to London Luton Airportfrom $505

Flights to Glasgow Intl Airportfrom $485

Flights to Belfast Intl Airportfrom $578

Flights to London Southend Airportfrom $704

Flights to Belfast City Airportfrom $587

Cheap flights from Washington, D.C. to London from $217

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 7/29. 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

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

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

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

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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?

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

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