$393 Find Cheap Flights from London Gatwick Airport to Washington

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 5/19. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Washington

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Washington, as well as popular online travel agencies
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Cheap Flights from Gatwick to Washington

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop$704
Spokane
Spokane2 stops$1,100
Seattle
Seattle1 stop$704
Spokane
Spokane2 stops$1,100

Book Cheap Gatwick to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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 round-trip flight deals from Gatwick to Washington

Sun, Jun 28 - Thu, Jul 16
Icelandair Logo
1:00 pm - 11:45 am
LGW
-
SEA
30h 45m
1 stop
Icelandair Logo
7:00 pm - 2:40 pm
SEA
-
LGW
11h 40m
1 stop
$704Icelandair
Thu, Jun 25 - Thu, Jul 9
Icelandair Logo
1:00 pm - 5:55 pm
LGW
-
SEA
12h 55m
1 stop
Icelandair Logo
7:00 pm - 2:40 pm
SEA
-
LGW
11h 40m
1 stop
$705Icelandair
Fri, Jun 26 - Sun, Jul 5
Icelandair Logo
3:40 pm - 8:40 pm
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
7:00 pm - 2:40 pm
SEA
-
LGW
11h 40m
1 stop
$706Icelandair
Sun, Jun 28 - Wed, Jul 15
Icelandair Logo
1:00 pm - 11:45 am
LGW
-
SEA
30h 45m
1 stop
Icelandair Logo
7:00 pm - 2:40 pm
SEA
-
LGW
11h 40m
1 stop
$707Icelandair
Sun, May 31 - Tue, Jun 16
Icelandair Logo
3:40 pm - 11:45 am
LGW
-
SEA
28h 05m
1 stop
Icelandair Logo
11:25 pm - 11:45 am
SEA
-
LGW
28h 20m
1 stop
$710Icelandair
Sun, Sep 20 - Wed, Sep 30
Icelandair Logo
3:40 pm - 5:55 pm
LGW
-
SEA
34h 15m
1 stop
Icelandair Logo
7:00 pm - 2:40 pm
SEA
-
LGW
11h 40m
1 stop
$715Icelandair
Mon, Jun 1 - Mon, Jun 15
Icelandair Logo
3:40 pm - 8:40 pm
LGW
-
SEA
13h 00m
1 stop
Icelandair Logo
11:25 pm - 2:40 pm
SEA
-
LGW
31h 15m
1 stop
$721Icelandair
Sun, May 10 - Wed, May 20
Multiple Airlines Logo
8:55 am - 1:50 pm
LGW
-
PDX
36h 55m
2 stops
Multiple Airlines Logo
7:05 pm - 2:40 pm
PDX
-
LGW
11h 35m
1 stop
$889Multiple Airlines
Mon, Jul 6 - Mon, Jul 13
Delta Logo
10:25 am - 9:09 pm
LGW
-
GEG
18h 44m
2 stops
Delta Logo
9:20 am - 9:40 am
GEG
-
LGW
16h 20m
2 stops
$1,199Delta
Thu, Jun 11 - Thu, Jun 18
Delta Logo
10:25 am - 9:09 pm
LGW
-
GEG
18h 44m
2 stops
Delta Logo
11:15 am - 9:25 am
GEG
-
LGW
14h 10m
2 stops
$1,239Delta
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.

How much is a round-trip flight from London Gatwick Airport to State of Washington?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Gatwick Airport to State of Washington departing in June.

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 July and August, when the average cost of round-trip tickets is $718 and $698 respectively.

Find deals

Good to know

Cheapest flight$393
Most popular time to fly and prices are also 15% 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 travelers 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 round-trip 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 646 reviews
6.9Entertainment
7.2Boarding
6.2Food
6.9Comfort
8.0Crew
Airline reviews

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

10.0 ExcellentAnonymous, Apr 2026
KEF - SEA
Read more Icelandair reviews

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

The movie choices were poor. The worst problem is the treatment of passengers durinng pre-boarding. In one case the primes were checked in and sent down the boarding tunnek only to stand waiting there while the plane is cleaned. In the second case the bus was loaded, the doors closed and just stood there unmoving like sardeines in a tin for over TEN minutes. In both cases it was rough on us old guys who find standing for long periods trying.. In other words, Donnt just stack us up and forget us.

I had no idea that my ticket only paid for my right to get on the plane. They charged me $130 for my carry-on bag because it was 1 inch too big she claimed but it wasn’t! Then they wanted another fee for everything. I had no idea that Icelandair had changed to such a bargain basement airline. I was very disappointed.

I’m considering never flying with Iceland Air again. The seats in economy are torture. Now you only get water, coffee and tea for free- really? No food, not a single peanut. The passport line was insane, everyone was worried about catching their connecting flight. This was the third time I’ve barely made my connection, had to run. It can’t be that my choice is to use the bathroom (during the 50 minutes between flights) or make my flight. SO stressful! Ugh.

The most uncomfortable seat i’ve ever had on a flight

Waiting area on top of stairs before Boarding the bus wasn’t great. Took a long time to load the bus to gate.

The real reason why the flying experience with Icelandair ---was mediocre was because of not being able to enter DC airspace yesterday evening. This obviously was out of your control and do realize this is a safety issue. I did notice---that everything was being done to get us to Washington Dulles and we did arrive at Dulles SAFELY with just a 4 hour delay. Thank you!

Nice, quick flight. There were lots of empty seats so they told me I could sit next to the emergency exit where I would have more legroom.

The staff was kind and helpful. There was no food, and you needed to bring your own earphones to use the entertainment, which I didn’t know.

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

Information on your arrival and departure airports

London Gatwick Airport (LGW)