Cheap flights from Gatwick to Seattle

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How to find the cheapest flight from
Gatwick (LGW) to Seattle (SEA)

All the information you need to plan the best LGW to SEA flight in 2022: compare Gatwick to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
LGW - SEA
Price
£439 - £856
SEA
Temperature
5 - 19 °C
SEA
Rainfall
18 - 168 mm

Popular in

July

High demand for flights, 32% potential price rise

Cheapest in

October

Best time to find cheap flights, 25% potential price drop

Average price

£456

Average for round-trip flights in May 2022

Round-trip from

£349

From London Gatwick to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from London Gatwick Airport to Seattle?

February is one of the best times of the year to fly to Seattle from London Gatwick Airport. Prices for February average £435 per person but you can even find prices for as low as £286. The most expensive prices can be found in the month of July. Opting for a February flight can save you 37% on your journey compared to booking in July

How far in advance should I book a flight from London Gatwick Airport to Seattle?

Users have found that booking a flight from London Gatwick Airport to Seattle at least 52 days early can save you up to 51% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from London Gatwick Airport to Seattle for as little as £493 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £645 for flights departing within the next 3 days.

When is the cheapest time to fly from London Gatwick Airport to Seattle (LGW - SEA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Seattle as you normally would.

Cheap flights from Gatwick to Seattle in May, June 2022

The best prices found for LGW to SEA flights in May, June
3 Jun - 5 Jul
£534pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick
3 Jun - 5 Jul
£538pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick
5 Jun - 5 Jul
£548pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick

London Gatwick to Seattle 2022 flight deals

Cheap flights to Seattle from Gatwick found for this year
15 Sep - 25 Sep
£426pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
12 Oct - 2 Nov
£427pp
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick
7 Sep - 14 Sep
£430pp
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick

Last-minute flights from Gatwick to Seattle

Late deals on return flights to Seattle from Gatwick, departing today and this week
3 Jun - 5 Jul
£534pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick
3 Jun - 5 Jul
£538pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick
3 Jun - 3 Jul
£589pp
LGW
London Gatwick
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
LGW
London Gatwick

One-way flights to Seattle/Tacoma Intl from London Gatwick

The cheapest one-way flights from Gatwick to Seattle
13:10 - 12:15
Turkish Airlines
1 stop
31h 05m
LGW - SEA
Turkish Airlines
£407
ScholarTrip
05:25 - 18:49
Multiple Airlines
3 stops
44h 24m
LGW - SEA
Multiple Airlines
£412
Priceline
09:05 - 13:55
Icelandair
1 stop
12h 50m
LGW - SEA
Icelandair
£413
StudentUniverse

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Gatwick</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Gatwick to Seattle

What airport do you fly into for flights to Seattle from London Gatwick?

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from London Gatwick to Seattle. 5 airlines have flights to Seattle/Tacoma Intl from London Gatwick on a regular basis. Booking flights from London Gatwick to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from London Gatwick per day.

Which airlines flying from London Gatwick to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of our airline partners flying from London Gatwick to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. Norwegian Air UK, Icelandair, and Norwegian are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Norwegian Air UK with this kind of flexibility.

Can I find flights from London Gatwick Airport to Seattle for under £500 on Cheapflights?

Yes, there are multiple flights from London Gatwick Airport to Seattle for under £500. The cheapest flight booked recently is on Multiple Airlines for just £426, but on average you can expect to pay £469.

Are there last-minute flights available from London Gatwick Airport to Seattle for under £600?

There are currently 20+ open flights from London Gatwick Airport to Seattle within the next 7 days for less than £600.

What is the cheapest airline to fly from London Gatwick Airport to Seattle round-trip?

Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at £427. Icelandair is priced at 8% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London Gatwick Airport to Seattle one-way?

For one-way options, check prices for WestJet. According to our data, you can fly for as low as £338. Users have also found prices from £375 and £390 on Turkish Airlines and Icelandair, respectively.

What are the cheapest flights from London Gatwick Airport to Seattle?

The cheapest flight price from London Gatwick Airport to Seattle is £220. On average you can expect to pay £318. The most popular route, (London Gatwick - Seattle/Tacoma Intl), can usually be booked for £426.

What are the most popular airlines that fly from London Gatwick Airport to Seattle?

Before booking your flight from London Gatwick Airport to Seattle check out the most popular airlines for this route: American Airlines, British Airways or Norwegian Air UK.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Gatwick?

Information is based on travel restrictions from London Gatwick to Seattle/Tacoma Intl

Most visitors from London Gatwick need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from London Gatwick must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from London Gatwick are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Gatwick from Seattle?

Returning to London Gatwick from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering London Gatwick.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering London Gatwick.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Gatwick to Seattle

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

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Gatwick to Seattle.
Today's exchange rate
£1 = $1.26
Average temperature for May in Seattle
19.0 °C
Avg rainfall for May in Seattle
45.0 mm

Airports servicing London

Airports servicing Seattle

Top 3 airlines flying from London Gatwick to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Gatwick to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Norwegian Air UK
£308 £563 No cancel fee N/A
Search Norwegian Air UK flights
Norwegian
£339 £463 No cancel fee 74%
Search Norwegian flights
Icelandair
£423 £552 No cancel fee 76%
Search Icelandair flights
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