What is the cheapest flight from London Stansted Airport to Seattle?

In the last 3 days, the lowest price for a flight from London Stansted Airport to Seattle was $360 for a one-way ticket and $543 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between London Stansted Airport and Seattle?

A passport is required to fly from London Stansted Airport to Seattle. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from London Stansted Airport to Seattle?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from London Stansted Airport to Seattle?

Star Alliance is the only airline alliance operating flights between London Stansted Airport and Seattle.

How does KAYAK find such low prices on flights from London Stansted Airport to Seattle?

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 Stansted Airport to Seattle. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Stansted Airport to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from London Stansted Airport is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from London Stansted Airport to Seattle?

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 to Seattle with an airline and back to London Stansted Airport with another airline. Booking your flights between London Stansted Airport and SEA can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Stansted Airport to Seattle?

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 to Seattle from London Stansted Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from London Stansted to Seattle

STN - SEA

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Flights Deals

Cheap Flights from Stansted to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Stansted to Seattle 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Stansted to Seattle

KAYAK's recommended round-trip deals from the most popular airlines that fly from Stansted to Seattle.

Discover the best prices for you by selecting your travel dates on KAYAK.

2:50 pm - 1:50 pmSTN-SEA

31h 00m2 stops

4:00 pm - 9:00 pmSEA-STN

21h 00m2 stops

$543

Find Deal

Thu, Jun 5 - Mon, Jun 9

2:50 pm - 1:50 pmSTN-SEA

31h 00m2 stops

4:00 pm - 9:00 pmSEA-STN

21h 00m2 stops

$545

Find Deal

Thu, Jun 5 - Mon, Jun 9

6:10 am - 5:50 pmSTN-SEA

19h 40m2 stops

3:45 pm - 4:05 pmSEA-STN

16h 20m2 stops

$652

Find Deal

Mon, May 19 - Mon, May 26

7:50 am - 9:21 amSTN-SEA

33h 31m3 stops

3:45 pm - 4:05 pmSEA-STN

16h 20m2 stops

$691

Find Deal

Sat, Jun 21 - Mon, Jul 21

7:50 am - 9:21 amSTN-SEA

33h 31m3 stops

3:45 pm - 9:55 pmSEA-STN

22h 10m2 stops

$727

Find Deal

Sat, Jun 21 - Tue, Jul 22

8:15 am - 8:40 pmSTN-SEA

20h 25m2 stops

3:45 pm - 4:35 pmSEA-STN

16h 50m2 stops

$734

Find Deal

Tue, May 13 - Tue, May 20

10:00 pm - 12:59 pmSTN-SEA

46h 59m3 stops

3:45 pm - 10:40 pmSEA-STN

22h 55m2 stops

$735

Find Deal

Sat, Sep 20 - Sat, Oct 11

11:00 am - 8:40 pmSTN-SEA

17h 40m2 stops

3:45 pm - 4:05 pmSEA-STN

16h 20m2 stops

$736

Find Deal

Mon, May 12 - Mon, May 19

10:35 pm - 8:40 pmSTN-SEA

30h 05m2 stops

3:45 pm - 4:55 pmSEA-STN

17h 10m2 stops

$738

Find Deal

Tue, May 13 - Sun, May 18

8:15 am - 11:25 amSTN-SEA

35h 10m2 stops

3:45 pm - 6:20 pmSEA-STN

18h 35m2 stops

$749

Find Deal

Mon, May 26 - Mon, Jun 2

Useful Info

Cheapest flight	$360

Flight from London Stansted Airport to Seattle

When to book flights from Stansted to Seattle

Are your dates flexible? Find out the best times to travel from Stansted to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from London Stansted Airport to Seattle?
In the last 3 days, the lowest price for a flight from London Stansted Airport to Seattle was $360 for a one-way ticket and $543 for a round-trip.
Do I need a passport to fly between London Stansted Airport and Seattle?
A passport is required to fly from London Stansted Airport to Seattle.
Which aircraft models fly most regularly from London Stansted Airport to Seattle?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from London Stansted Airport to Seattle?
Star Alliance is the only airline alliance operating flights between London Stansted Airport and Seattle.
How does KAYAK find such low prices on flights from London Stansted Airport to Seattle?
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 Stansted Airport to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Stansted Airport to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from London Stansted Airport 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 Stansted Airport to Seattle?
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 to Seattle with an airline and back to London Stansted Airport with another airline. Booking your flights between London Stansted Airport and SEA can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Stansted Airport to Seattle?
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 to Seattle from London Stansted Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Stansted to Seattle

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Seattle (SEA)

London Stansted Airport (STN)

STN - SEA

$360 Find Cheap Flights from London Stansted Airport to Seattle

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

Cheap Flights from Stansted to Seattle

Recent round-trip flight deals from Stansted to Seattle

Recent one-way flight deals from Stansted to Seattle

Recent last minute flight deals from Stansted to Seattle

Good to know

When to book flights from Stansted to Seattle

FAQs for booking London Stansted Airport to Seattle flights

What is the cheapest flight from London Stansted Airport to Seattle?

In the last 3 days, the lowest price for a flight from London Stansted Airport to Seattle was $360 for a one-way ticket and $543 for a round-trip.

Do I need a passport to fly between London Stansted Airport and Seattle?

A passport is required to fly from London Stansted Airport to Seattle.

Which aircraft models fly most regularly from London Stansted Airport to Seattle?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from London Stansted Airport to Seattle?

Star Alliance is the only airline alliance operating flights between London Stansted Airport and Seattle.

How does KAYAK find such low prices on flights from London Stansted Airport to Seattle?

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 Stansted Airport to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Stansted Airport to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from London Stansted Airport 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 Stansted Airport to Seattle?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Stansted Airport to Seattle?

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 to Seattle from London Stansted Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Stansted to Seattle

Information on your arrival and departure airports

Cabin class types available on flights to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights to and from Stansted and Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight