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

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

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. are refreshed on a daily basis.

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

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 London Gatwick Airport to Washington, D.C..

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

The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$343 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 $787 to $938. The lowest price recently found on this route was $618.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:25 am - 3:30 pm

LGW

IAD

35h 05m

1 stop

6:10 pm - 5:50 pm

IAD

LGW

18h 40m

2 stops

$618SWISS

Wed, Jul 8 - Mon, Jul 27

9:25 am - 4:45 pm

LGW

IAD

12h 20m

1 stop

5:40 pm - 5:50 pm

IAD

LGW

19h 10m

1 stop

$619SWISS

Wed, Jul 8 - Mon, Aug 17

9:25 am - 4:45 pm

LGW

IAD

12h 20m

1 stop

8:20 pm - 5:50 pm

IAD

LGW

16h 30m

1 stop

$620SWISS

Wed, Jul 29 - Wed, Sep 30

4:35 pm - 8:35 pm

LGW

IAD

33h 00m

1 stop

5:25 pm - 9:50 am

IAD

LGW

11h 25m

1 stop

$625TAP AIR PORTUGAL

Sat, Nov 7 - Mon, Dec 7

2:00 pm - 7:09 pm

LGW

IAD

34h 09m

1 stop

11:20 pm - 2:40 pm

IAD

LGW

10h 20m

1 stop

$632Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

12:20 pm - 9:50 pm

LGW

DCA

14h 30m

1 stop

2:16 pm - 9:35 am

DCA

LGW

14h 19m

1 stop

$633JetBlue

Wed, Jul 8 - Sat, Jul 18

11:30 am - 6:55 pm

LGW

IAD

12h 25m

1 stop

5:00 pm - 10:50 am

IAD

LGW

12h 50m

1 stop

$634Iberia

Thu, Jul 9 - Sat, Jul 18

11:30 am - 6:55 pm

LGW

IAD

12h 25m

1 stop

5:00 pm - 10:50 am

IAD

LGW

12h 50m

1 stop

$646Iberia

Sat, Jul 4 - Wed, Jul 8

7:20 am - 8:35 pm

LGW

IAD

18h 15m

2 stops

8:30 pm - 2:40 pm

IAD

LGW

13h 10m

1 stop

$648Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

12:20 pm - 9:54 pm

LGW

DCA

14h 34m

1 stop

2:16 pm - 9:35 am

DCA

LGW

14h 19m

1 stop

$653JetBlue

Fri, Jul 3 - Sat, Jul 18

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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

Jul 4

LGW11:30 amLondon Gatwick

12h 25m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Aug 4

IAD5:03 amWashington, D.C. Dulles Intl

20h 32m

2 stops

LGW6:35 amLondon Gatwick

$663

British Airways

Jul 2

LGW11:30 amLondon Gatwick

12h 25m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Aug 7

IAD10:27 amWashington, D.C. Dulles Intl

19h 13m

2 stops

LGW10:40 amLondon Gatwick

$696

British Airways

Jun 29

LGW2:00 pmLondon Gatwick

14h 26m

1 stop

DCA11:26 pmWashington, D.C. Reagan-National

Jul 18

DCA4:59 pmWashington, D.C. Reagan-National

12h 41m

1 stop

LGW10:40 amLondon Gatwick

$712

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

Jul 9

LGW11:30 amLondon Gatwick

12h 25m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Jul 18

IAD5:00 pmWashington, D.C. Dulles Intl

12h 50m

1 stop

LGW10:50 amLondon Gatwick

$634

Iberia

Jul 4

LGW11:30 amLondon Gatwick

12h 25m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Jul 8

IAD5:00 pmWashington, D.C. Dulles Intl

12h 50m

1 stop

LGW10:50 amLondon Gatwick

$646

Iberia

Jul 4

LGW11:30 amLondon Gatwick

12h 25m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Jul 21

IAD8:25 pmWashington, D.C. Dulles Intl

18h 35m

1 stop

LGW8:00 pmLondon Gatwick

$650

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 round-trip

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 7/8

9:25 am-3:30 pm

1 stop35h 05m

Washington, D.C. Dulles Intl

Mon 7/27

6:10 pm-5:50 pm

2 stops18h 40m

$618

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 7/8

9:25 am-4:45 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Mon 8/17

5:40 pm-5:50 pm

1 stop19h 10m

$619

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 7/29

9:25 am-4:45 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Wed 9/30

8:20 pm-5:50 pm

1 stop16h 30m

$620

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 11/7

4:35 pm-8:35 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Mon 12/7

5:25 pm-9:50 am

1 stop11h 25m

$625

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Fri 9/11

2:00 pm-7:09 pm

1 stop34h 09m

Washington, D.C. Dulles Intl

Tue 9/15

11:20 pm-2:40 pm

1 stop10h 20m

$632

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 7/8

12:20 pm-9:50 pm

1 stop14h 30m

Washington, D.C. Reagan-National

Sat 7/18

2:16 pm-9:35 am

1 stop14h 19m

$633

Quickest round-trip

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 7/9

11:30 am-6:55 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Sat 7/18

5:00 pm-10:50 am

1 stop12h 50m

$634

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 7/4

11:30 am-6:55 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Wed 7/8

5:00 pm-10:50 am

1 stop12h 50m

$646

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 9/8

7:20 am-8:35 pm

2 stops18h 15m

Washington, D.C. Dulles Intl

Tue 9/15

8:30 pm-2:40 pm

1 stop13h 10m

$648

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 7/3

12:20 pm-9:54 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Sat 7/18

2:16 pm-9:35 am

1 stop14h 19m

$653

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 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

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 month of August is, on average, the cheapest month to fly to Washington, D.C. from London Gatwick Airport, with most prices found around $190. If you’re not able to fly to Washington, D.C. in August, then March is your next best option. Flight prices from London Gatwick Airport to Washington, D.C. during March average around $383.

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 $753. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Washington, D.C. for around $917.

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

In the afternoon 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 $796. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $814. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 round-trip 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?
London Gatwick and Washington, D.C. are 3667.7 mi apart from one another. In terms of flight time, this usually takes a little over 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. are refreshed on a daily basis.
How old do you have to be to fly from London Gatwick Airport to Washington, D.C.?
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 London Gatwick Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Fredericksburg

Gaithersburg

Colonial Beach

Rockville

Linthicum Heights

Silver Spring

Towson

Manassas

Tysons

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

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

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

All flight searches from London to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Washington, D.C..

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

Price alerts on flights to Washington, D.C. from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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 $343

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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

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

Our best Iberia 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.?

What is the cheapest airline that flies from London Gatwick 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.

Traveling 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, organize 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.

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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