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

Reykjavik (KEF) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

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

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

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

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 35m.

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

Flights via Reykjavik (KEF) offer the lowest average return price of £464.

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

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 18m.

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

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

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

As of October 2026, there is 1 operator available to choose from for flights from London Gatwick Airport to Washington, D.C..

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

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 London Gatwick Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£285 Cheap Flights from London Gatwick Airport to Washington, D.C. in 2026/27

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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:40 - 17:00LGW London Gatwick-IAD Washington, D.C. Dulles Intl

13h 20m1 stop Zurich

20:10 - 17:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

16h 40m1 stop Zurich

£408SWISS

Sun, 1 Nov - Sun, 8 Nov

08:50 - 18:30LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 40m2 stops Dublin Reykjavik Keflavik Intl

19:40 - 20:40IAD Washington, D.C. Dulles Intl-LGW London Gatwick

20h 00m2 stops Reykjavik Keflavik Intl Dublin

£408Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

08:50 - 18:30LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 40m2 stops Dublin Reykjavik Keflavik Intl

19:40 - 18:20IAD Washington, D.C. Dulles Intl-LGW London Gatwick

17h 40m2 stops Reykjavik Keflavik Intl Dublin

£409Multiple Airlines

Tue, 24 Nov - Tue, 1 Dec

10:25 - 19:35LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Paris Charles de Gaulle

21:45 - 09:40IAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 55m1 stop Paris Charles de Gaulle

£410Virgin Atlantic

Thu, 15 Oct - Sun, 18 Oct

18:40 - 15:30LGW London Gatwick-IAD Washington, D.C. Dulles Intl

25h 50m1 stop Zurich

20:10 - 17:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

16h 40m1 stop Zurich

£411SWISS

Wed, 25 Nov - Sun, 29 Nov

15:40 - 22:15LGW London Gatwick-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Reykjavik Keflavik Intl

19:40 - 10:55IAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

£412Icelandair

Wed, 21 Oct - Thu, 12 Nov

10:40 - 20:30LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 50m1 stop Lisbon Humberto Delgado

22:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

12h 15m1 stop Lisbon Humberto Delgado

£412TAP AIR PORTUGAL

Fri, 11 Dec - Fri, 8 Jan

16:35 - 15:15LGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 40m1 stop Lisbon Humberto Delgado

22:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

12h 15m1 stop Lisbon Humberto Delgado

£412TAP AIR PORTUGAL

Wed, 2 Dec - Sun, 6 Dec

09:05 - 18:00LGW London Gatwick-IAD Washington, D.C. Dulles Intl

12h 55m1 stop Zurich

20:10 - 17:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

16h 40m1 stop Zurich

£412SWISS

Sat, 31 Oct - Wed, 11 Nov

15:40 - 19:20LGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Reykjavik Keflavik Intl

20:40 - 10:55IAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

£415Icelandair

Thu, 22 Oct - Tue, 27 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:25 - 15:10LGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 45m1 stop Lisbon Humberto Delgado

17:25 - 09:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 25m1 stop Lisbon Humberto Delgado

£413TAP AIR PORTUGAL

Wed, 7 Oct - Mon, 30 Nov

09:25 - 16:45LGW London Gatwick-IAD Washington, D.C. Dulles Intl

12h 20m1 stop Zurich

21:10 - 17:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

16h 40m1 stop Zurich

£417SWISS

Wed, 7 Oct - Thu, 29 Oct

16:25 - 15:10LGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 45m1 stop Lisbon Humberto Delgado

23:30 - 09:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

30h 20m1 stop Lisbon Humberto Delgado

£419TAP AIR PORTUGAL

Wed, 7 Oct - Wed, 28 Oct

15:40 - 19:20LGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Reykjavik Keflavik Intl

20:40 - 10:55IAD Washington, D.C. Dulles Intl-LGW London Gatwick

10h 15m1 stop Reykjavik Keflavik Intl

£423Icelandair

Thu, 8 Oct - Wed, 28 Oct

16:25 - 15:10LGW London Gatwick-IAD Washington, D.C. Dulles Intl

27h 45m1 stop Lisbon Humberto Delgado

17:25 - 09:50IAD Washington, D.C. Dulles Intl-LGW London Gatwick

11h 25m1 stop Lisbon Humberto Delgado

£426TAP AIR PORTUGAL

Wed, 7 Oct - Tue, 1 Dec

10:25 - 19:35LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Paris Charles de Gaulle

22:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

£430Air France

Thu, 8 Oct - Wed, 28 Oct

15:40 - 19:20LGW London Gatwick-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Reykjavik Keflavik Intl

20:30 - 14:40IAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 10m1 stop Reykjavik Keflavik Intl

£432Icelandair

Thu, 8 Oct - Tue, 13 Oct

10:25 - 19:35LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Paris Charles de Gaulle

22:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

£433Delta

Thu, 8 Oct - Wed, 28 Oct

10:25 - 19:35LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Paris Charles de Gaulle

22:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

£433Delta

Thu, 8 Oct - Wed, 28 Oct

10:25 - 19:35LGW London Gatwick-IAD Washington, D.C. Dulles Intl

14h 10m1 stop Paris Charles de Gaulle

21:30 - 15:45IAD Washington, D.C. Dulles Intl-LGW London Gatwick

13h 15m1 stop Paris Charles de Gaulle

£433Delta

Thu, 8 Oct - Mon, 2 Nov

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

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

Iberia

19 Oct

LGW21:05London Gatwick

26h 45m

2 stops

IAD18:50Washington, D.C. Dulles Intl

30 Oct

IAD18:50Washington, D.C. Dulles Intl

12h 00m

1 stop

LGW10:50London Gatwick

£439

Iberia

7 Oct

LGW20:40London Gatwick

27h 10m

1 stop

IAD18:50Washington, D.C. Dulles Intl

30 Oct

IAD18:50Washington, D.C. Dulles Intl

12h 00m

1 stop

LGW10:50London Gatwick

£461

Iberia

7 Oct

LGW20:40London Gatwick

27h 10m

1 stop

IAD18:50Washington, D.C. Dulles Intl

29 Oct

IAD18:50Washington, D.C. Dulles Intl

20h 10m

1 stop

LGW19:00London Gatwick

£461

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

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

SWISS

1 Nov

LGW08:40London Gatwick

13h 20m

1 stop

IAD17:00Washington, D.C. Dulles Intl

8 Nov

IAD20:10Washington, D.C. Dulles Intl

16h 40m

1 stop

LGW17:50London Gatwick

£408

SWISS

25 Nov

LGW18:40London Gatwick

25h 50m

1 stop

IAD15:30Washington, D.C. Dulles Intl

29 Nov

IAD20:10Washington, D.C. Dulles Intl

16h 40m

1 stop

LGW17:50London Gatwick

£411

SWISS

20 Nov

LGW09:00London Gatwick

35h 30m

1 stop

IAD15:30Washington, D.C. Dulles Intl

27 Nov

IAD17:25Washington, D.C. Dulles Intl

19h 25m

1 stop

LGW17:50London Gatwick

£414

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Sun 1/11

08:40-17:00

1 stop13h 20m

Washington, D.C. Dulles Intl

Sun 8/11

20:10-17:50

1 stop16h 40m

£408

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Tue 10/11

08:50-18:30

2 stops14h 40m

Washington, D.C. Dulles Intl

Tue 17/11

19:40-20:40

2 stops20h 00m

£408

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Tue 24/11

08:50-18:30

2 stops14h 40m

Washington, D.C. Dulles Intl

Tue 1/12

19:40-18:20

2 stops17h 40m

£409

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 15/10

10:25-19:35

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 18/10

21:45-09:40

1 stop30h 55m

£410

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Wed 25/11

18:40-15:30

1 stop25h 50m

Washington, D.C. Dulles Intl

Sun 29/11

20:10-17:50

1 stop16h 40m

£411

Fastest return journey

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Wed 21/10

15:40-22:15

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 12/11

19:40-10:55

1 stop10h 15m

£412

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Fri 11/12

10:40-20:30

1 stop14h 50m

Washington, D.C. Dulles Intl

Fri 8/1

22:30-15:45

1 stop12h 15m

£412

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Wed 2/12

16:35-15:15

1 stop27h 40m

Washington, D.C. Dulles Intl

Sun 6/12

22:30-15:45

1 stop12h 15m

£412

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Sat 31/10

09:05-18:00

1 stop12h 55m

Washington, D.C. Dulles Intl

Wed 11/11

20:10-17:50

1 stop16h 40m

£412

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 22/10

15:40-19:20

1 stop32h 40m

Washington, D.C. Dulles Intl

Tue 27/10

20:40-10:55

1 stop10h 15m

£414

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Stopovers

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from London Gatwick Airport is in November. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in November, then you should wait until October to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £0.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from London Gatwick Airport is on a Friday. momondo users have found tickets for Friday departures for as low as £571. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from London Gatwick Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £627.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At midday is the cheapest time of day to fly from London Gatwick Airport to Washington, D.C. when you can find flight prices for as low as £569. Flying to Washington, D.C. at midday is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of £604. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 46% on your flight if you consider stops on a London Gatwick Airport to Washington, D.C. flight.

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

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

Estimated return price

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

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

Best price found	£285
Fastest flight time	11h 30m
Direct flights	None

The best one-way flight to Washington, D.C. from London Gatwick Airport in the past 72 hours is £285. The best return flight deal from London Gatwick Airport to Washington, D.C. found on momondo in the last 72 hours is £408.

The fastest flight from London Gatwick Airport to Washington, D.C. takes 11h 30m

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

Search flight deals

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

How far is London Gatwick to Washington, D.C. by plane?
The distance between London Gatwick and Washington, D.C. is about 3667.7 mi. By plane, this route typically takes 11h 30m.
When did momondo last update prices for flights from London Gatwick Airport to Washington, D.C.?
Prices for flights from London Gatwick Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from London Gatwick Airport to Washington, D.C.?
As of October 2026, there is 1 operator available to choose from for flights from London Gatwick Airport to Washington, D.C..
How old do you have to be to fly from London Gatwick Airport to Washington, D.C.?
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 London Gatwick Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Gatwick Airport to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from London Gatwick Airport to Washington, D.C. is Icelandair, representing 100% of all bookings.

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

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom £289	Free Cancellation	Rating 6.9 758 reviews		Search Icelandair flights

Alexandria

Springfield

Arlington

National Harbor

College Park

Fairfax

Lutherville Timonium

Linthicum Heights

Gettysburg

Ellicott City

Cambridge

Glen Burnie

Laurel

Lexington Park

Woodbridge

Bethesda

Silver Spring

Rockville

Landover

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Washington, D.C. for you.

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

Yes. All flights to Washington, D.C. from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of London to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from London Gatwick Airport to Washington, D.C. from £285

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

Cheap return flights

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Big names, great deals

Big names, great deals

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

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

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

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

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

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

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

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

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

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

Best price found

Fastest flight time

Direct flights

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

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

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

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise 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 the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favourite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

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

Fly to other destinations from London Gatwick Airport

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

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