How long is the flight from London Gatwick Airport to Washington, D.C.?

A quick flight from London Gatwick Airport to Washington, D.C. can take about 16h 12m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £475. London Gatwick Airport and Washington, D.C. are separated by a distance of 3683 mi. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. round-trip?

Flying on Icelandair is currently your cheapest option to Washington, D.C., with prices starting at £286. This flight start at 47% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the most popular routes from London Gatwick Airport to Washington, D.C.?

Most travelers choose London Gatwick - Washington, D.C. Dulles Intl, London Gatwick - Washington, D.C. Reagan-National or London Gatwick - Baltimore/Washington when deciding on the best route from London Gatwick Airport to Washington, D.C..

What is the cheapest time of day to fly from LGW to WAS?

When flying from London Gatwick Airport to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Gatwick to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Gatwick to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gatwick to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Washington, D.C..

Can I find deals for business class flights from Gatwick to Washington, D.C.?

Yes. Cheapflights offers flight deals from Gatwick to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£374+ Cheap Flights from London Gatwick Airport to Washington, D.C.

Cheap flight deals from Gatwick to Washington, D.C.

Enter your travel dates to find the best prices.

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Best

Last-minute

One-way

Cheapest flights from Gatwick to Washington, D.C.
Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Mon 9/1111:55 -

1 stop11h 35m

Thu 12/1119:40 -

1 stop10h 15m

Deal found 27/10£403

Mon 9/1111:55 -

1 stop11h 35m

Sun 22/1119:40 -

1 stop10h 15m

Deal found 29/10£405

Wed 11/1116:35 -

1 stop27h 40m

Wed 2/1222:30 -

1 stop11h 35m

Deal found 30/10£408

Mon 9/1111:55 -

1 stop11h 35m

Sun 15/1119:40 -

1 stop10h 15m

Deal found 30/10£409

Fri 6/1111:55 -

1 stop11h 35m

Sun 15/1119:40 -

1 stop10h 15m

Deal found 27/10£410

Mon 23/1116:35 -

1 stop27h 05m

Sun 6/1222:30 -

1 stop12h 15m

Deal found 29/10£411

Wed 18/1110:40 -

1 stop14h 50m

Wed 2/1222:30 -

1 stop11h 35m

Deal found 29/10£413

Thu 3/1216:00 -

1 stop33h 30m

Sun 6/1222:30 -

1 stop12h 15m

Deal found 30/10£413

Wed 4/1116:35 -

1 stop27h 40m

Wed 9/1222:30 -

1 stop11h 35m

Deal found 28/10£414

Wed 4/1111:55 -

1 stop11h 35m

Sat 14/1119:40 -

1 stop10h 15m

Deal found 27/10£416

Wed 4/1116:35 -

1 stop27h 40m

Tue 1/1217:25 -

1 stop11h 25m

Deal found 27/10£416

Thu 3/1210:00 -

2 stops17h 24m

Sun 6/1218:50 -

2 stops33h 10m

Deal found 26/10£499

Best flights from Gatwick to Washington, D.C.
Discover carefully curated flight deals from Gatwick to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Thu 4/216:00 -

1 stop33h 30m

Sun 7/222:30 -

1 stop12h 15m

Deal found 26/10£454

Thu 4/310:00 -

2 stops16h 12m

Thu 11/318:40 -

1 stop16h 05m

Deal found 30/10£475

Thu 25/211:15 -

1 stop17h 44m

Mon 1/313:23 -

1 stop13h 07m

Deal found 26/10£491

Tue 13/409:55 -

2 stops18h 09m

Tue 20/411:00 -

2 stops17h 00m

Deal found 25/10£538

Thu 7/119:40 -

2 stops33h 04m

Thu 14/117:20 -

2 stops20h 40m

Deal found 25/10£554

Mon 1/210:40 -

2 stops26h 19m

Sat 27/218:00 -

3 stops21h 40m

Deal found 29/10£808

Sat 17/416:30 -

1 stop27h 40m

Sat 24/421:35 -

1 stop31h 15m

Deal found 28/10£490

Sun 28/321:15 -

2 stops46h 55m

Fri 9/416:40 -

1 stop12h 10m

Deal found 26/10£496

Wed 25/1110:00 -

1 stop11h 30m

Wed 2/1208:07 -

2 stops19h 53m

Deal found 26/10£560

Wed 2/1209:35 -

2 stops34h 40m

Sun 6/1222:30 -

2 stops17h 05m

Deal found 28/10£522

Wed 18/1111:15 -

1 stop17h 44m

Mon 14/1213:40 -

1 stop12h 50m

Deal found 27/10£637

Sun 28/210:40 -

1 stop33h 35m

Sun 2/522:05 -

1 stop30h 45m

Deal found 30/10£532

Wed 2/1211:15 -

1 stop17h 44m

Fri 11/1213:40 -

1 stop12h 50m

Deal found 25/10£692

Tue 2/321:20 -

2 stops28h 10m

Sun 2/522:05 -

1 stop30h 45m

Deal found 30/10£538

Wed 18/1111:15 -

1 stop17h 44m

Mon 30/1113:40 -

1 stop12h 50m

Deal found 25/10£693

Thu 12/1116:00 -

1 stop33h 30m

Sun 15/1122:30 -

1 stop30h 20m

Deal found 29/10£547

Sun 27/1221:25 -

2 stops22h 20m

Fri 15/122:30 -

1 stop12h 15m

Deal found 30/10£553

Thu 19/1111:15 -

1 stop17h 44m

Sun 20/1213:56 -

1 stop12h 34m

Deal found 27/10£792

Thu 3/1216:00 -

1 stop33h 30m

Sun 13/1222:30 -

1 stop12h 15m

Deal found 30/10£613

Thu 3/1210:40 -

2 stops26h 11m

Sun 6/1217:45 -

2 stops17h 00m

Deal found 30/10£735

Fri 25/1210:40 -

2 stops37h 15m

Mon 1/214:50 -

2 stops19h 55m

Deal found 30/10£791

Thu 24/1216:00 -

2 stops31h 55m

Sat 30/110:00 -

2 stops18h 50m

Deal found 30/10£810

Mon 21/1221:35 -

2 stops50h 20m

Thu 7/114:50 -

2 stops14h 00m

Deal found 29/10£862

Find flight deals from Gatwick to Washington, D.C.

Round-trip from	£403
One-way from	£374
Popular in	January
Cheapest in	April
Average price	£428

Icelandair
9/11-12/11
2 total stops
21h 50m total
London to Washington, D.C.

Search Deals

12/11-31/12
1 total stop
28h 21m total
London to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights 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

Thu 10/12

16:00-20:30

1 stop33h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£396

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 24/12

10:35-21:11

1 stop15h 36m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£399

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Mon 8/3

11:00-14:40

2 stops32h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£401

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Fri 20/11

10:45-15:15

2 stops33h 30m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£403

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Tue 22/12

21:20-15:15

2 stops46h 55m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£426

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Sun 15/11

21:25-14:40

2 stops46h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£427

LondonWashington, D.C.

LGW London Gatwick - DCA Washington, D.C. Reagan-National

LGWDCA

London Gatwick

Thu 28/1

11:15-23:53

1 stop17h 38m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£442

Fastest return journey

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Fri 20/11

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£447

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 4/2

16:00-20:30

1 stop33h 30m

Washington, D.C. Dulles Intl

Sun 7/2

22:30-15:45

1 stop12h 15m

£454

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 31/12

10:35-21:11

1 stop15h 36m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£459

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 43 resultsSorted by cheapest first

...

Best time to book a flight from Gatwick to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Gatwick with our price prediction graph.

LGW-WAS

LGW-IAD

LGW-DCA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington, D.C.

LGW-WAS

LGW-IAD

LGW-DCA

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of £257). Flying from London Gatwick Airport to Washington, D.C. in June is currently the most expensive (average of £655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Reykjavik (KEF) – chosen by Cheapflights users on 42% of one-stop itineraries from London Gatwick Airport to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Casablanca (CMN) is the most affordable one-stop option, with an average return flight price of £548.

What’s the fastest stopover option from London Gatwick Airport to Washington, D.C.?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 10h 35m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Washington, D.C.?

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 20m.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with Icelandair from London Gatwick Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

6.9

Okay

764 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Victoria,Sept 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Icelandair

6.9

Okay

764 reviews

Icelandair

6.9

Okay

764 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Victoria,Sept 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Related info for your journey

How long is the flight from London Gatwick Airport to Washington, D.C.?
A quick flight from London Gatwick Airport to Washington, D.C. can take about 16h 12m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £475. London Gatwick Airport and Washington, D.C. are separated by a distance of 3683 mi. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. round-trip?
Flying on Icelandair is currently your cheapest option to Washington, D.C., with prices starting at £286. This flight start at 47% lower than the current average price 3 months from now.
What are the most popular routes from London Gatwick Airport to Washington, D.C.?
Most travelers choose London Gatwick - Washington, D.C. Dulles Intl, London Gatwick - Washington, D.C. Reagan-National or London Gatwick - Baltimore/Washington when deciding on the best route from London Gatwick Airport to Washington, D.C..
Can I find deals for flights from Gatwick to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Gatwick to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gatwick to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Washington, D.C..
Can I find deals for business class flights from Gatwick to Washington, D.C.?
Yes. Cheapflights offers flight deals from Gatwick to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C.?
Currently, November is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of £257). Flying from London Gatwick Airport to Washington, D.C. in June is currently the most expensive (average of £655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Silver Spring

Alexandria

Gaithersburg

Oxon Hill

Hanover

Woodbridge

Glen Burnie

Springfield

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Alternative routes

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Direct flights to United States

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Other flights from Gatwick

Popular flights

Top destinations

Washington, D.C. flight routes

Alternative routes for Gatwick to Washington, D.C.

Heathrow to Dulles Intl flights

Gatwick to Dulles Intl flights

Heathrow to Reagan-National flights

Stansted to Dulles Intl flights

London City to Dulles Intl flights

Luton to Dulles Intl flights

Gatwick to Reagan-National flights

London City to Reagan-National flights

Southend to Dulles Intl flights

Top airline flying from Gatwick to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£286	Average£523	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Gatwick to Washington, D.C.?

Cheapflights makes it easy to find Gatwick to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Gatwick.

Can Cheapflights find flights from Gatwick to Washington, D.C. with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to Washington, D.C. with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Gatwick today and book when prices fit your budget.

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Cheap flights from London Gatwick Airport to Washington, D.C. from £374

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Washington, D.C.

Cheapest flights from Gatwick to Washington, D.C.Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Gatwick to Washington, D.C.Discover carefully curated flight deals from Gatwick to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Gatwick to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Gatwick to Washington, D.C.Discover last-minute flight deals from Gatwick to Washington, D.C.. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Washington, D.C.. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Gatwick to Washington, D.C.Search for one-way flight options from Gatwick to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Gatwick to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Gatwick to Washington, D.C.

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

Best time to book a flight from Gatwick to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Gatwick with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C.?

What’s the top stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Share of one-stop return flights from London Gatwick Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 42% of one-stop itineraries from London Gatwick Airport to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Average return fare for one-stop flights from London Gatwick Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Casablanca (CMN) is the most affordable one-stop option, with an average return flight price of £548.

What’s the fastest stopover option from London Gatwick Airport to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 10h 35m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Washington, D.C.?

Average stopover duration for one-stop one-way flights from London Gatwick Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 20m.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with Icelandair from London Gatwick Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Gatwick Airport to Washington, D.C.?

What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. round-trip?

What are the most popular routes from London Gatwick Airport to Washington, D.C.?

Can I find deals for flights from Gatwick to Washington, D.C. that include hotel bookings?

How can I find direct flights from Gatwick to Washington, D.C.?

Can I find deals for business class flights from Gatwick to Washington, D.C.?

What is the cheapest month to book a flight from London Gatwick Airport to Washington, D.C.?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Gatwick to Washington, D.C. by cabin class

Find flights from Gatwick to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Gatwick and Washington, D.C. flights

Browse other Gatwick and Washington, D.C. flight options. Last updated on 30 October 2026.

Other flights from Gatwick

Browse through other flights departing from Gatwick. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Gatwick to Washington, D.C. flights

Consider these flights travelling from Gatwick to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Top airline flying from Gatwick to Washington, D.C.

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Why should you use Cheapflights to find cheap flight tickets from Gatwick to Washington, D.C.?

Can Cheapflights find flights from Gatwick to Washington, D.C. with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Washington, D.C. become cheaper?

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Cheapest flights from Gatwick to Washington, D.C.
Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Gatwick to Washington, D.C.
Discover carefully curated flight deals from Gatwick to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Gatwick to Washington, D.C.
Discover last-minute flight deals from Gatwick to Washington, D.C.. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Gatwick to Washington, D.C.
Search for one-way flight options from Gatwick to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.