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

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

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

Flights via Boston (BOS) offer the lowest average return price of £436.

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: 64% of momondo users choosing one-stop flights on this route connected there.

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 31m.

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 33m.

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 March 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.

£268 Cheap Flights from London Gatwick Airport to Washington, D.C. in 2026

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

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

15:40 - 19:20

LGW

IAD

32h 40m

1 stop

20:30 - 11:45

IAD

LGW

10h 15m

1 stop

£410Icelandair

Fri, 15 May - Mon, 25 May

15:40 - 19:20

LGW

IAD

32h 40m

1 stop

23:20 - 14:40

IAD

LGW

10h 20m

1 stop

£412Icelandair

Wed, 20 May - Wed, 3 Jun

15:40 - 19:20

LGW

IAD

32h 40m

1 stop

23:20 - 14:40

IAD

LGW

10h 20m

1 stop

£413Icelandair

Wed, 27 May - Sun, 31 May

12:20 - 19:59

LGW

DCA

12h 39m

1 stop

17:25 - 09:35

DCA

LGW

11h 10m

1 stop

£440JetBlue

Mon, 8 Jun - Wed, 10 Jun

12:20 - 21:23

LGW

DCA

14h 03m

1 stop

10:10 - 08:40

DCA

LGW

17h 30m

1 stop

£459American Airlines

Thu, 16 Apr - Wed, 22 Apr

11:30 - 16:45

LGW

DCA

34h 15m

2 stops

11:17 - 06:50

DCA

LGW

14h 33m

1 stop

£462British Airways

Thu, 23 Apr - Mon, 27 Apr

11:30 - 18:58

LGW

DCA

36h 28m

2 stops

11:17 - 06:50

DCA

LGW

14h 33m

1 stop

£464British Airways

Thu, 23 Apr - Mon, 27 Apr

12:20 - 21:23

LGW

DCA

14h 03m

1 stop

08:20 - 06:50

DCA

LGW

17h 30m

2 stops

£470American Airlines

Thu, 16 Apr - Wed, 22 Apr

09:40 - 19:25

LGW

BWI

14h 45m

2 stops

20:30 - 17:10

BWI

LGW

15h 40m

2 stops

£472Multiple Airlines

Tue, 14 Apr - Tue, 21 Apr

08:50 - 19:25

LGW

BWI

15h 35m

2 stops

20:30 - 17:10

BWI

LGW

15h 40m

2 stops

£485Multiple Airlines

Tue, 5 May - Tue, 12 May

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

25 Apr

LGW09:25London Gatwick

12h 20m

1 stop

IAD16:45Washington, D.C. Dulles Intl

28 Apr

IAD20:20Washington, D.C. Dulles Intl

16h 30m

1 stop

LGW17:50London Gatwick

£437

SWISS

13 Apr

LGW09:25London Gatwick

12h 20m

1 stop

IAD16:45Washington, D.C. Dulles Intl

28 Apr

IAD20:20Washington, D.C. Dulles Intl

16h 30m

1 stop

LGW17:50London Gatwick

£440

SWISS

16 Apr

LGW09:25London Gatwick

12h 20m

1 stop

IAD16:45Washington, D.C. Dulles Intl

20 Apr

IAD20:20Washington, D.C. Dulles Intl

16h 30m

1 stop

LGW17:50London Gatwick

£441

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

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

Icelandair

15 May

LGW15:40London Gatwick

32h 40m

1 stop

IAD19:20Washington, D.C. Dulles Intl

25 May

IAD20:30Washington, D.C. Dulles Intl

10h 15m

1 stop

LGW11:45London Gatwick

£410

Icelandair

20 May

LGW15:40London Gatwick

32h 40m

1 stop

IAD19:20Washington, D.C. Dulles Intl

3 Jun

IAD23:20Washington, D.C. Dulles Intl

10h 20m

1 stop

LGW14:40London Gatwick

£412

Icelandair

27 May

LGW15:40London Gatwick

32h 40m

1 stop

IAD19:20Washington, D.C. Dulles Intl

31 May

IAD23:20Washington, D.C. Dulles Intl

10h 20m

1 stop

LGW14:40London Gatwick

£413

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 - IAD

LGWIAD

London Gatwick

Fri 15/5

15:40-19:20

1 stop32h 40m

Washington, D.C. Dulles Intl

Mon 25/5

20:30-11:45

1 stop10h 15m

£410

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 20/5

15:40-19:20

1 stop32h 40m

Washington, D.C. Dulles Intl

Wed 3/6

23:20-14:40

1 stop10h 20m

£412

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 27/5

15:40-19:20

1 stop32h 40m

Washington, D.C. Dulles Intl

Sun 31/5

23:20-14:40

1 stop10h 20m

£413

Fastest return journey

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 8/6

12:20-19:59

1 stop12h 39m

Washington, D.C. Reagan-National

Wed 10/6

17:25-09:35

1 stop11h 10m

£440

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 16/4

12:20-21:23

1 stop14h 03m

Washington, D.C. Reagan-National

Wed 22/4

10:10-08:40

1 stop17h 30m

£459

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 23/4

11:30-16:45

2 stops34h 15m

Washington, D.C. Reagan-National

Mon 27/4

11:17-06:50

1 stop14h 33m

£462

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 23/4

11:30-18:58

2 stops36h 28m

Washington, D.C. Reagan-National

Mon 27/4

11:17-06:50

1 stop14h 33m

£464

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 16/4

12:20-21:23

1 stop14h 03m

Washington, D.C. Reagan-National

Wed 22/4

08:20-06:50

2 stops17h 30m

£470

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Tue 14/4

09:40-19:25

2 stops14h 45m

Baltimore/Washington

Tue 21/4

20:30-17:10

2 stops15h 40m

£472

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Tue 5/5

08:50-19:25

2 stops15h 35m

Baltimore/Washington

Tue 12/5

20:30-17:10

2 stops15h 40m

£485

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 April. Flight prices, which tend to average around £409, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in April, then you should wait until November to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £451.

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 Thursday. momondo users have found tickets for Thursday departures for as low as £580. 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 £628.

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 £584. 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 £596. 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 58% 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.

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from London Gatwick Airport to Washington, D.C. takes 11h 25m

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

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 25m.
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 March 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 £382	Free Cancellation	Rating 7.0 625 reviews		Search Icelandair flights

College Park

Arlington

Fairfax

Linthicum Heights

Glen Burnie

Laurel

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Alexandria

Silver Spring

Rockville

Owings Mills

Landover

National Harbor

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.

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

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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 £268

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Big names, great deals

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Filter for what you want

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

Cheap return flights

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

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

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

Our best Icelandair 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

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

Fastest flight time

Direct flights

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

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