NZ$704 Cheap Flights Seattle to London (SEA-LGW)

View NZ$704 flight on Wed, 18 Mar 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, 2 Nov - Tue, 18 Nov
SEA
Seattle
LGW
London
NZ$950 Return, found 2 hours ago
NZ$950
Return
found 2 hours ago
Select Icelandair flight, departing Sun, 2 Nov from Seattle to London, returning Tue, 18 Nov, priced at NZ$950 found 2 hours ago
Icelandair
Wed, 18 Mar - Tue, 24 Mar
SEA
Seattle
LGW
London
NZ$1,058 Return, found 2 hours ago
NZ$1,058
Return
found 2 hours ago
Select Icelandair flight, departing Wed, 18 Mar from Seattle to London, returning Tue, 24 Mar, priced at NZ$1,058 found 2 hours ago
Icelandair
Mon, 6 Oct - Mon, 20 Oct
SEA
Seattle
LGW
London
NZ$1,255 Return, found 4 days ago
NZ$1,255
Return
found 4 days ago
Select Icelandair flight, departing Mon, 6 Oct from Seattle to London, returning Mon, 20 Oct, priced at NZ$1,255 found 4 days ago
Turkish Airlines
Mon, 6 Oct - Mon, 20 Oct
SEA
Seattle
LGW
London
NZ$1,522 Return, found 4 days ago
NZ$1,522
Return
found 4 days ago
Select Turkish Airlines flight, departing Mon, 6 Oct from Seattle to London, returning Mon, 20 Oct, priced at NZ$1,522 found 4 days ago
Icelandair
Wed, 27 May - Tue, 9 June
SEA
Seattle
LGW
London
NZ$1,695 Return, found 2 days ago
NZ$1,695
Return
found 2 days ago
Select Icelandair flight, departing Wed, 27 May from Seattle to London, returning Tue, 9 June, priced at NZ$1,695 found 2 days ago

Frequently asked questions

How much is a flight from Sea-Tac Airport to Gatwick Airport (LGW)?
Start packing your suitcase, because round-trip flights between Sea-Tac Airport and Gatwick Airport (LGW) start from NZ$950. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to London Gatwick?
We get that life can throw the odd curveball, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to LGW 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 SEA to London Gatwick flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Gatwick Airport (LGW)?
The distance is around 7 800 kilometres. Eye mask? Check. Spare socks? Double check. We suggest you pack all the travel comforts for this long-haul SeaTac to Gatwick flight.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to London Gatwick?
You won't find any airlines flying directly between Sea-Tac Airport and London Gatwick, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Sea-Tac Airport to LGW flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute deals between Seattle - Tacoma Intl. Airport (SEA) and London Gatwick are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months ahead of the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to pounce when the fares dip.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Gatwick
Return price
NZ$950
Distance
7697 km

Book with confidence

Book with confidence

Perfect flights from Seattle to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Seattle - Tacoma Intl. to Gatwick ticket options cater to your travel preferences, with incredible one-way fares from NZ$704 and roundtrip prices from NZ$950. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Gatwick and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.
Perfect flights from Seattle to London

Explore a world of travel with Expedia

Explore a world of travel with Expedia

London Flight Deals

London

Seattle to Heathrow
NZ$1,044.50
*Available to Expedia members.