NZ$963 Cheap Flights London to Seattle (LON-SEA)

View NZ$963 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from London to Seattle, WA (SEA-Seattle - Tacoma Intl.)

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

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
Thu, 18 Sep. - Mon, 22 Sep.
LGW
London
SEA
Seattle
NZ$987 Return, found 1 day ago
NZ$987
Return
found 1 day ago
Select Icelandair flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$987 found 1 day ago
Icelandair
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,088 Return, found 1 day ago
NZ$1,088
Return
found 1 day ago
Select Icelandair flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,088 found 1 day ago
Icelandair
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,091 Return, found 1 day ago
NZ$1,091
Return
found 1 day ago
Select Icelandair flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,091 found 1 day ago
Icelandair
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,094 Return, found 1 day ago
NZ$1,094
Return
found 1 day ago
Select Icelandair flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,094 found 1 day ago
United
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,102 Return, found 1 day ago
NZ$1,102
Return
found 1 day ago
Select United flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,102 found 1 day ago
Air Canada
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,113 Return, found 1 day ago
NZ$1,113
Return
found 1 day ago
Select Air Canada flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,113 found 1 day ago
United
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,113 Return, found 1 day ago
NZ$1,113
Return
found 1 day ago
Select United flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,113 found 1 day ago
Lufthansa
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,135 Return, found 1 day ago
NZ$1,135
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,135 found 1 day ago
Swiss International Air Lines
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,140 Return, found 1 day ago
NZ$1,140
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,140 found 1 day ago
United
Thu, 18 Sep. - Mon, 22 Sep.
LHR
London
SEA
Seattle
NZ$1,152 Return, found 1 day ago
NZ$1,152
Return
found 1 day ago
Select United flight, departing Thu, 18 Sep. from London to Seattle, returning Mon, 22 Sep., priced at NZ$1,152 found 1 day ago
Flight from London to Seattle route information
Origin airport
Gatwick
Destination airport
Seattle - Tacoma Intl.
Return price
NZ$987
Distance
7697 km

LON to SEA Flights

Ready to have the time of your life? When you use Expedia.co.nz to book cheap flights from England to Seattle, you can experience all of the attractions this city is famous for, or escape the crowds and explore the outskirts on your own. Our amazing deals on airfare help you save big on tickets, so you can spend more of your hard-earned money enjoying local entertainment options. Even if you seek to score a seat on one of the last-minute LON to SEA flights, you’ll still save a bundle when compared to the competition.

See for yourself how simple it is to book the holiday of your dreams to Seattle by using our helpful search engine today. We have the largest inventory of flights on the internet, and our intuitive tools make it easy to find affordable airfare at any time of year.

Prefer to fly with a particular airline? Our extensive network of travel partners ensures that you can travel with whichever carrier you prefer. So if you’ve been searching for cheap flights to Seattle from England, Expedia.co.nz has exactly what you’re looking for. As the world’s leader in travel, we’re committed to helping you get the best rates around.

Frequently asked questions

How much is a flight from London (LON-All Airports) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from London (LON-All Airports) to Sea-Tac Airport was NZ$987. Cheap tickets don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London (LON-All Airports) to Seattle - Tacoma Intl. Airport (SEA)?
This can vary between airlines, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from London (LON-All Airports) to Sea-Tac Airport 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 (LON-All Airports) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London (LON-All Airports) to Sea-Tac Airport?
The distance is around 7 700 kilometres, so fill your carry-on bag with all you need to make your journey comfortable. Not sure what to take on board your England to SeaTac flight? A travel pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from London (LON-All Airports) to SEA?
Whether you're after a one-way or return flight, you'll have your choice of airlines that will take you straight from London (LON-All Airports) to Sea-Tac Airport. These are some of the most popular ones:

  • Virgin Atlantic - (VS) with 30 monthly flights
  • American Airlines - (AA) with 30 monthly flights
  • British Airways - (BA) with 30 monthly flights
  • Delta Air Lines - (DL) with 17 monthly flights

Are London (LON-All Airports) to SEA flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute deals between London (LON-All Airports) and Sea-Tac Airport are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some carriers publish their prices up to a year before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to book when the price is right.

Explore a world of travel with Expedia

London Airports

London

Heathrow to Seattle
NZ$1,088.00
*Available to Expedia members.