£326 Find Cheap Flights from London Gatwick Airport to Washington – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Gatwick to Washington departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Gatwick to Washington

Cheapest return prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop£460
Spokane
Spokane2 stops£732
Bellingham
Bellingham2 stops£751
Seattle
Seattle1 stop£460
Spokane
Spokane2 stops£732
Bellingham
Bellingham2 stops£751

Book Cheap Gatwick to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Gatwick to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Gatwick to Washington

Tue, 1 Sep - Wed, 30 Sep
Icelandair Logo
13:00 - 20:40
LGW
-
SEA
15h 40m
1 stop
Icelandair Logo
15:40 - 14:40
SEA
-
LGW
15h 00m
1 stop
£460Icelandair
Tue, 8 Sep - Tue, 15 Sep
Icelandair Logo
15:40 - 17:55
LGW
-
SEA
34h 15m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£462Icelandair
Tue, 22 Sep - Wed, 30 Sep
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
15:40 - 14:40
SEA
-
LGW
15h 00m
1 stop
£464Icelandair
Tue, 1 Sep - Wed, 30 Sep
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
15:40 - 14:40
SEA
-
LGW
15h 00m
1 stop
£464Icelandair
Wed, 2 Sep - Wed, 16 Sep
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£464Icelandair
Mon, 31 Aug - Wed, 9 Sep
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
15:40 - 14:40
SEA
-
LGW
15h 00m
1 stop
£466Icelandair
Tue, 8 Sep - Tue, 15 Sep
Icelandair Logo
15:40 - 20:40
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
19:00 - 14:40
SEA
-
LGW
11h 40m
1 stop
£467Icelandair
Mon, 19 Oct - Tue, 27 Oct
Icelandair Logo
15:40 - 17:55
LGW
-
SEA
34h 15m
1 stop
Icelandair Logo
15:35 - 10:55
SEA
-
LGW
12h 20m
1 stop
£467Icelandair
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
17:50 - 11:45
LGW
-
SEA
25h 55m
2 stops
Multiple Airlines Logo
19:00 - 18:25
SEA
-
LGW
15h 25m
2 stops
£483Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
17:00 - 11:45
LGW
-
SEA
26h 45m
2 stops
Multiple Airlines Logo
19:00 - 18:25
SEA
-
LGW
15h 25m
2 stops
£494Multiple Airlines
Booking Insights

KAYAK's insights & trends for Gatwick to Washington flights

Get data-powered insights and trends into flights from Gatwick to Washington to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Gatwick Airport to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Gatwick Airport to Washington is February, when tickets cost £0 (return) on average. On the other hand, the most expensive months are May and August, when the average cost of return tickets is £752 and £708 respectively.

Good to know - Cheap tickets from London Gatwick Airport to Washington

Cheapest flight

£326
Most popular time to fly and prices are also 1% lower on average.
Flight from London Gatwick Airport to Portland

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from London Gatwick Airport to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Gatwick Airport to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Gatwick Airport to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Gatwick Airport to Washington is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Gatwick Airport to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Gatwick Airport to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Gatwick Airport to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Gatwick Airport to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Gatwick to Washington

 
See real verified KAYAK customer reviews for airlines flying from London to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Gatwick to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
IcelandairOverall score based on 716 reviews
6.9Entertainment
6.1Food
8.0Crew
7.2Boarding
6.9Comfort
Airline reviews

The ticket was reserved in my name but not paid for by underpricer. Alaska airlines was unable to issue my ticket (could not connect the ticket with the PNR) due to an error with underpricer and I spent the better part of 2 hours at the ticket counter trying to rectify.

2.0 MediocreJohn, Jul 2026
SJC - SEA
Read more Icelandair reviews

The ticket was reserved in my name but not paid for by underpricer. Alaska airlines was unable to issue my ticket (could not connect the ticket with the PNR) due to an error with underpricer and I spent the better part of 2 hours at the ticket counter trying to rectify.

1. No food on a 8 hr flight is a travesty! The fare was not that low. 2. The entertainment was pretty bad and you had to buy headphones!!! 3. Only 2 toilets for the whole Economy section!!

The Icelandair crew was so kind!!! Thank you for making my first trip to Paris a great one!

I am not going to fillo this out for each leg of my trip. My first review holds for the experience

They wouldn’t check in my luggage even though I had one checked bag prepaid. So I took my bag to the gate and tried to check it in there and two employees scolded me for bringing a large bag to the gate. I told them I was trying to check it in and that it was prepaid, and they said they couldn’t guarantee that it would arrive at my destination but they finally let me drop it off when boarding the plane and pick it up right after exiting the plane. There was no food, and there was no entertainment.

If there was a disclaimer regarding food service or lack thereof, l missed it. If l had known l would have prepared better. Same with transferring at Reykjavik. No information about disembarking via stairs into rain, slush and puddles deep enough to swallow a foot. After being treated to haute cuisine restaurants and warm inviting environment during the flight, the airport is, let’s be kind, disappointing. Plane was comfortable, Airbus, staff were welcoming enough. I would likely try the route again. Maybe have a night and day in Iceland. Maybe not.

The boarding process seem to take longer than necessary, resulting in a 20+ minute delay

One of the worst airlines I ever flew. Boarding is a disaster, they are always late, the planes are overly crowded. Everyone on my flight lost their connection because they were 2h late. Reykjavik is also not the best airport out there.

did internet check in but still had to get checked in at the counter and this was not the first time. Bummer!

Paying $75 for my bag is disgusting. Got off ground late so I missed my connections. Kept us waiting for passengers in the cold. Will not use them again.

Everything you need to know for your flight from Gatwick to Washington

Information on your arrival and departure airports