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

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

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 28m.

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 £525.

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: 75% 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 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 June 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.

£259 Cheap Flights from London Gatwick Airport to Washington, D.C. in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £595 to £709. The lowest price recently found on this route was £466.

Voted winner of Europe's Best Travel App 2023

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.

13:00 - 19:20

LGW

IAD

11h 20m

1 stop

20:30 - 11:45

IAD

LGW

10h 15m

1 stop

£466Icelandair

Thu, 20 Aug - Mon, 24 Aug

09:25 - 15:30

LGW

IAD

35h 05m

1 stop

18:10 - 17:50

IAD

LGW

18h 40m

2 stops

£467SWISS

Wed, 8 Jul - Mon, 27 Jul

09:25 - 16:45

LGW

IAD

12h 20m

1 stop

17:40 - 17:50

IAD

LGW

19h 10m

1 stop

£468SWISS

Wed, 8 Jul - Mon, 17 Aug

16:35 - 20:35

LGW

IAD

33h 00m

1 stop

17:25 - 09:50

IAD

LGW

11h 25m

1 stop

£473TAP AIR PORTUGAL

Sat, 7 Nov - Mon, 7 Dec

14:00 - 19:09

LGW

IAD

34h 09m

1 stop

23:20 - 14:40

IAD

LGW

10h 20m

1 stop

£478Multiple Airlines

Fri, 11 Sep - Tue, 15 Sep

12:20 - 21:50

LGW

DCA

14h 30m

1 stop

14:16 - 09:35

DCA

LGW

14h 19m

1 stop

£479JetBlue

Wed, 8 Jul - Sat, 18 Jul

11:30 - 18:55

LGW

IAD

12h 25m

1 stop

17:00 - 10:50

IAD

LGW

12h 50m

1 stop

£480Iberia

Thu, 9 Jul - Sat, 18 Jul

12:20 - 21:54

LGW

DCA

14h 34m

1 stop

14:16 - 09:35

DCA

LGW

14h 19m

1 stop

£494JetBlue

Fri, 3 Jul - Sat, 18 Jul

11:30 - 21:30

LGW

DCA

39h 00m

2 stops

16:59 - 20:00

DCA

LGW

22h 01m

2 stops

£508Iberia

Tue, 1 Sep - Tue, 8 Sep

11:00 - 00:11

LGW

BWI

18h 11m

2 stops

19:40 - 10:55

BWI

LGW

10h 15m

1 stop

£523Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

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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

20 Aug

LGW13:00London Gatwick

11h 20m

1 stop

IAD19:20Washington, D.C. Dulles Intl

24 Aug

IAD20:30Washington, D.C. Dulles Intl

10h 15m

1 stop

LGW11:45London Gatwick

£466

Icelandair

2 Aug

LGW13:00London Gatwick

11h 20m

1 stop

IAD19:20Washington, D.C. Dulles Intl

29 Aug

IAD20:30Washington, D.C. Dulles Intl

13h 05m

1 stop

LGW14:35London Gatwick

£469

Icelandair

3 Aug

LGW15:40London Gatwick

32h 40m

1 stop

IAD19:20Washington, D.C. Dulles Intl

26 Aug

IAD20:30Washington, D.C. Dulles Intl

10h 15m

1 stop

LGW11:45London Gatwick

£470

British Airways flights from London Gatwick Airport to Washington, D.C.

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

British Airways

4 Jul

LGW11:30London Gatwick

12h 25m

1 stop

IAD18:55Washington, D.C. Dulles Intl

4 Aug

IAD05:03Washington, D.C. Dulles Intl

20h 32m

2 stops

LGW06:35London Gatwick

£502

British Airways

2 Jul

LGW11:30London Gatwick

12h 25m

1 stop

IAD18:55Washington, D.C. Dulles Intl

7 Aug

IAD10:27Washington, D.C. Dulles Intl

19h 13m

2 stops

LGW10:40London Gatwick

£526

British Airways

29 Jun

LGW14:00London Gatwick

14h 26m

1 stop

DCA23:26Washington, D.C. Reagan-National

18 Jul

DCA16:59Washington, D.C. Reagan-National

12h 41m

1 stop

LGW10:40London Gatwick

£539

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

Fastest return journey

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 20/8

13:00-19:20

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 24/8

20:30-11:45

1 stop10h 15m

£466

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 8/7

09:25-15:30

1 stop35h 05m

Washington, D.C. Dulles Intl

Mon 27/7

18:10-17:50

2 stops18h 40m

£467

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 8/7

09:25-16:45

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 17/8

17:40-17:50

1 stop19h 10m

£468

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 7/11

16:35-20:35

1 stop33h 00m

Washington, D.C. Dulles Intl

Mon 7/12

17:25-09:50

1 stop11h 25m

£473

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 11/9

14:00-19:09

1 stop34h 09m

Washington, D.C. Dulles Intl

Tue 15/9

23:20-14:40

1 stop10h 20m

£478

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/7

12:20-21:50

1 stop14h 30m

Washington, D.C. Reagan-National

Sat 18/7

14:16-09:35

1 stop14h 19m

£479

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 9/7

11:30-18:55

1 stop12h 25m

Washington, D.C. Dulles Intl

Sat 18/7

17:00-10:50

1 stop12h 50m

£480

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 3/7

12:20-21:54

1 stop14h 34m

Washington, D.C. Reagan-National

Sat 18/7

14:16-09:35

1 stop14h 19m

£494

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 1/9

11:30-21:30

2 stops39h 00m

Washington, D.C. Reagan-National

Tue 8/9

16:59-20:00

2 stops22h 01m

£508

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Thu 5/11

11:00-00:11

2 stops18h 11m

Baltimore/Washington

Thu 12/11

19:40-10:55

1 stop10h 15m

£523

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

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 August. Flight prices, which tend to average around £144, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in August, then you should wait until March to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £290.

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 £581. 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 £583. 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 70% 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 20m
Direct flights	None

The fastest flight from London Gatwick Airport to Washington, D.C. takes 11h 20m

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 20m.
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 June 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 £333	Free Cancellation	Rating 7.0 680 reviews		Search Icelandair flights

Alexandria

College Park

Springfield

Fairfax

Arlington

Gettysburg

Linthicum Heights

Ellicott City

Cambridge

Glen Burnie

Laurel

Westminster

Lutherville Timonium

Lexington Park

Owings Mills

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 £259

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

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

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

British Airways flights from London Gatwick Airport to Washington, D.C.

Our best British Airways 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 typical price of a round-trip flight between London Gatwick Airport and 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

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

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