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 32m.

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 are refreshed on a daily basis.

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

As of September 2025, there is 1 operator 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?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£121 Cheap Flights from Washington, D.C. to London Gatwick Airport in 2025/26

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

Round-trip

One-way

Last minute

Cheap return flights

23:15 - 14:35IAD-LGW

10h 20m1 stop

15:40 - 19:20LGW-IAD

32h 40m1 stop

£361Icelandair

Find Deal

Sat, 4 Oct - Tue, 14 Oct

20:30 - 14:40IAD-LGW

13h 10m1 stop

15:40 - 22:10LGW-IAD

11h 30m1 stop

£362Icelandair

Find Deal

Wed, 1 Oct - Sat, 11 Oct

20:40 - 19:30IAD-LGW

18h 50m2 stops

08:50 - 18:30LGW-IAD

14h 40m2 stops

£367

Find Deal

Tue, 28 Oct - Tue, 4 Nov

20:40 - 19:30IAD-LGW

18h 50m2 stops

08:50 - 18:30LGW-IAD

14h 40m2 stops

£369

Find Deal

Tue, 28 Oct - Tue, 4 Nov

17:50 - 20:30IAD-LGW

21h 40m2 stops

16:25 - 15:20LGW-IAD

27h 55m1 stop

£375TAP AIR PORTUGAL

Find Deal

Wed, 15 Oct - Tue, 21 Oct

17:00 - 20:25IAD-LGW

22h 25m2 stops

16:25 - 15:20LGW-IAD

27h 55m1 stop

£377TAP AIR PORTUGAL

Find Deal

Tue, 14 Oct - Tue, 21 Oct

14:55 - 08:10DCA-LGW

12h 15m1 stop

15:05 - 22:57LGW-DCA

12h 52m1 stop

£411American Airlines

Find Deal

Wed, 8 Oct - Wed, 15 Oct

08:19 - 07:30DCA-LGW

18h 11m1 stop

11:20 - 23:34LGW-DCA

17h 14m2 stops

£415American Airlines

Find Deal

Mon, 10 Nov - Tue, 18 Nov

11:45 - 09:35DCA-LGW

16h 50m1 stop

12:10 - 07:59LGW-DCA

24h 49m1 stop

£436JetBlue

Find Deal

Thu, 25 Sep - Mon, 29 Sep

13:20 - 09:35DCA-LGW

15h 15m1 stop

12:10 - 20:55LGW-DCA

13h 45m1 stop

£441JetBlue

Find Deal

Sat, 27 Sep - Thu, 2 Oct

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

4 Oct

IAD23:15Washington, D.C. Dulles Intl

10h 20m

1 stop

LGW14:35London Gatwick

14 Oct

LGW15:40London Gatwick

32h 40m

1 stop

IAD19:20Washington, D.C. Dulles Intl

£361

Find similar

Icelandair

1 Oct

IAD20:30Washington, D.C. Dulles Intl

13h 10m

1 stop

LGW14:40London Gatwick

11 Oct

LGW15:40London Gatwick

11h 30m

1 stop

IAD22:10Washington, D.C. Dulles Intl

£362

Find similar

Icelandair

13 Oct

IAD20:30Washington, D.C. Dulles Intl

13h 05m

1 stop

LGW14:35London Gatwick

3 Dec

LGW11:55London Gatwick

11h 35m

1 stop

IAD18:30Washington, D.C. Dulles Intl

£363

Find similar

TAP AIR PORTUGAL flights from Washington, D.C. to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to London Gatwick Airport flight tickets

TAP AIR PORTUGAL

15 Oct

IAD17:50Washington, D.C. Dulles Intl

21h 40m

2 stops

LGW20:30London Gatwick

21 Oct

LGW16:25London Gatwick

27h 55m

1 stop

IAD15:20Washington, D.C. Dulles Intl

£375

Find similar

TAP AIR PORTUGAL

14 Oct

IAD17:00Washington, D.C. Dulles Intl

22h 25m

2 stops

LGW20:25London Gatwick

21 Oct

LGW16:25London Gatwick

27h 55m

1 stop

IAD15:20Washington, D.C. Dulles Intl

£377

Find similar

TAP AIR PORTUGAL

30 Nov

IAD22:30Washington, D.C. Dulles Intl

17h 05m

2 stops

LGW20:35London Gatwick

10 Dec

LGW16:35London Gatwick

27h 40m

1 stop

IAD15:15Washington, D.C. Dulles Intl

£378

Find similar

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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 4/10

23:15-14:35

1 stop10h 20m

London Gatwick

Tue 14/10

15:40-19:20

1 stop32h 40m

£361

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 1/10

20:30-14:40

1 stop13h 10m

London Gatwick

Sat 11/10

15:40-22:10

1 stop11h 30m

£362

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 28/10

20:40-19:30

2 stops18h 50m

London Gatwick

Tue 4/11

08:50-18:30

2 stops14h 40m

£367

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 28/10

20:40-19:30

2 stops18h 50m

London Gatwick

Tue 4/11

08:50-18:30

2 stops14h 40m

£369

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 15/10

17:50-20:30

2 stops21h 40m

London Gatwick

Tue 21/10

16:25-15:20

1 stop27h 55m

£375

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 14/10

17:00-20:25

2 stops22h 25m

London Gatwick

Tue 21/10

16:25-15:20

1 stop27h 55m

£377

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 8/10

14:55-08:10

1 stop12h 15m

London Gatwick

Wed 15/10

15:05-22:57

1 stop12h 52m

£411

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 10/11

08:19-07:30

1 stop18h 11m

London Gatwick

Tue 18/11

11:20-23:34

2 stops17h 14m

£415

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 25/9

11:45-09:35

1 stop16h 50m

London Gatwick

Mon 29/9

12:10-07:59

1 stop24h 49m

£436

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 27/9

13:20-09:35

1 stop15h 15m

London Gatwick

Thu 2/10

12:10-20:55

1 stop13h 45m

£441

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 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

Other information

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

The cheapest month to fly to London Gatwick Airport from Washington, D.C. is in January. Flight prices, which tend to average around £369, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in January, then you should wait until September to fly from Washington, D.C., when ticket prices are also cheap, with an average price of £400.

What is the cheapest day to depart on your flight to London Gatwick Airport?

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Washington, D.C.. The lowest ticket price found for a Thursday departure recently was £614. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to London Gatwick Airport on a Saturday will generally be more expensive and average around £816. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You could potentially save up to 44% on your flight if you consider stops on a Washington, D.C. to London Gatwick Airport flight.

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 return 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

Direct flights	None

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

How far is Washington, D.C. to London Gatwick by plane?
There are 3667.7 mi between Washington, D.C. and London Gatwick. By plane, this route typically takes 9h 36m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to London Gatwick Airport?
As of September 2025, there is 1 operator 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Icelandair	PriceFrom £473	Free Cancellation	Rating 7.0 544 reviews		Search Icelandair flights

Eastbourne

Luton

Milton Keynes

Maidstone

Gatwick

Slough

Canterbury

Southend-on-Sea

Ipswich

Ilford

Guildford

Colchester

Worthing

Chelmsford

Dover

Hayes

Dartford

Winchester

Hounslow

Stansted

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to London . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to London from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Washington, D.C. to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington, D.C. and alert you when they change.

An easier way to manage your London Gatwick Airport 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.

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Cheap flights from Washington, D.C. to London from £121

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 7/10. 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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Big names, great deals

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

Cheap return flights

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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

TAP AIR PORTUGAL flights from Washington, D.C. to London Gatwick Airport

Our best TAP AIR PORTUGAL 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

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

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

What is the cheapest day to depart on your flight to London Gatwick Airport?

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

You could potentially save up to 44% on your flight if you consider stops on a Washington, D.C. to London Gatwick Airport flight.

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

Direct flights

How far is Washington, D.C. to London Gatwick by plane?

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

How many operators does momondo search 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?

What documentation or ID do you need to fly 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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Gatwick Airport 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 London

Popular Cities in the United Kingdom

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