£371 Cheap Flights from London (LGW) to Seattle (SEA)

View £371 flight on Tue, 10 Nov 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from London (LGW) to Seattle (SEA)

Prices were available within the past 7 days and start at £371 for one-way flights and £500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 12 Oct - Sat, 31 Oct
LGW
London
SEA
Seattle
£500 Return, found 1 hour ago
£500
Return
found 1 hour ago
Select Icelandair flight, departing Mon, 12 Oct from London to Seattle, returning Sat, 31 Oct, priced at £500 found 1 hour ago
Icelandair
Tue, 16 Jun - Tue, 30 Jun
LGW
London
SEA
Seattle
£512 Return, found 1 hour ago
£512
Return
found 1 hour ago
Select Icelandair flight, departing Tue, 16 Jun from London to Seattle, returning Tue, 30 Jun, priced at £512 found 1 hour ago
Icelandair
Fri, 26 Jun - Fri, 10 Jul
LGW
London
SEA
Seattle
£513 Return, found 3 hours ago
£513
Return
found 3 hours ago
Select Icelandair flight, departing Fri, 26 Jun from London to Seattle, returning Fri, 10 Jul, priced at £513 found 3 hours ago
Icelandair
Sat, 30 May - Sun, 7 Jun
LGW
London
SEA
Seattle
£515 Return, just found
£515
Return
just found
Select Icelandair flight, departing Sat, 30 May from London to Seattle, returning Sun, 7 Jun, priced at £515 just found
Icelandair
Fri, 24 Apr - Sun, 26 Apr
LGW
London
SEA
Seattle
£517 Return, found 5 hours ago
£517
Return
found 5 hours ago
Select Icelandair flight, departing Fri, 24 Apr from London to Seattle, returning Sun, 26 Apr, priced at £517 found 5 hours ago
Virgin Atlantic
Sat, 27 Jun - Sun, 12 Jul
LGW
London
SEA
Seattle
£551 Return, found 1 hour ago
£551
Return
found 1 hour ago
Select Virgin Atlantic flight, departing Sat, 27 Jun from London to Seattle, returning Sun, 12 Jul, priced at £551 found 1 hour ago
KLM
Sat, 27 Jun - Sun, 12 Jul
LGW
London
SEA
Seattle
£551 Return, found 1 hour ago
£551
Return
found 1 hour ago
Select KLM flight, departing Sat, 27 Jun from London to Seattle, returning Sun, 12 Jul, priced at £551 found 1 hour ago
Air France
Sat, 27 Jun - Sun, 12 Jul
LGW
London
SEA
Seattle
£551 Return, found 1 hour ago
£551
Return
found 1 hour ago
Select Air France flight, departing Sat, 27 Jun from London to Seattle, returning Sun, 12 Jul, priced at £551 found 1 hour ago
Condor
Fri, 24 Apr - Mon, 27 Apr
LGW
London
SEA
Seattle
£557 Return, found 2 days ago
£557
Return
found 2 days ago
Select Condor flight, departing Fri, 24 Apr from London to Seattle, returning Mon, 27 Apr, priced at £557 found 2 days ago
Delta
Tue, 16 Jun - Tue, 30 Jun
LGW
London
SEA
Seattle
£563 Return, found 1 hour ago
£563
Return
found 1 hour ago
Select Delta flight, departing Tue, 16 Jun from London to Seattle, returning Tue, 30 Jun, priced at £563 found 1 hour ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from £655
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from £655

Frequently asked questions

How much is a flight from London Gatwick to SEA?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Gatwick Airport (LGW) and Seattle - Tacoma Intl. Airport (SEA) start from £500. Book now to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Gatwick Airport (LGW) to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from LGW to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London Gatwick to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Gatwick to Sea-Tac Airport?
The distance is around 7,800 kilometres. Sleep mask? Check. Spare socks? Check. You'd be wise to pack all the travel comforts for this long-haul Gatwick to SeaTac flight.
Which airlines fly direct from LGW to Seattle - Tacoma Intl. Airport (SEA)?
At present, no airlines offer flights directly from LGW to Sea-Tac Airport. You'll have to book a flight with at least one stop. To get the best price and connections, lock in your fare well ahead of time.
Are LGW to SEA flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Gatwick Airport (LGW) to Sea-Tac Airport last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

Travel information

Origin airport
Gatwick
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Europa, Air France, American Airlines, British Airways, Condor, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Singapore Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Return price
£500
Distance
7697 km

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