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Cheap Flights from London Stansted to Seattle

Compare London Stansted to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

Book the best Seattle fare with no extra fees

Flight deals from London Stansted to Seattle

Looking for a cheap last-minute deal or the best return flight from London Stansted to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.R 5,803 per passenger.Departing Mon, 27 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 27 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 5,803, select.
Seattle.R 5,874 per passenger.Departing Thu, 7 May.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 7 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 5,874, select.
Seattle.R 5,878 per passenger.Departing Mon, 23 Feb.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 23 Feb, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 5,878, select.
Seattle.R 5,953 per passenger.Departing Tue, 10 Mar.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 10 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 5,953, select.
Seattle.R 6,301 per passenger.Departing Fri, 4 Sep.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Fri, 4 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 6,301, select.
Seattle.R 6,389 per passenger.Departing Tue, 27 Jan.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Tue, 27 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 6,389, select.
Seattle.R 6,578 per passenger.Departing Mon, 1 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 1 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 6,578, select.
Seattle.R 7,636 per passenger.Departing Mon, 26 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Mon, 26 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From R 7,636, select.

Find the cheapest month to fly from London Stansted to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Stansted to Seattle flights are currently cheapest in April.
Jan
from R 6,389
Feb
from R 5,878
Mar
from R 5,953
Apr
from R 5,803
May
from R 5,874
Jun
from R 6,578
Jul
from R 9,215
Aug
from R 8,185
Sep
from R 6,301
Oct
from R 7,636
Nov
from R 8,092
Dec
from R 10,424

Alternative London Stansted to Seattle routes

Looking for the cheapest, fastest or easiest route from London Stansted to Seattle? You could fly into the following airports instead.

London to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 5,803
Cheapest month to flyApril

Finding cheap flights from London Stansted to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from London Stansted to Seattle is R 9,089. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Stansted to Seattle. But we found flights with one or more stops from R 9,089.
As of January 2026, there are no flights flying from London Stansted to Seattle.
The cheapest month to fly from London Stansted to Seattle is usually February.
If you're flying from London Stansted Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R 9,089.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Stansted Airport to Seattle on Thursday, 5 February 2026.
No airlines currently offer direct flights between London Stansted Airport and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around 3°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Ryanair offers the cheapest flight tickets to Seattle.

Travelling from Stansted Airport (STN) to Seattle: what you need to know

  • The timezone in Seattle is UTC-7. The city is seven hours behind London, where Stansted Airport is located.

  • Give yourself enough time to make your STN to Seattle flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at security and check-in are more likely if you're flying during high season, so allow some extra breathing room. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • We make it simple to book flight tickets from STN to Seattle with a stopover. To see all the options, deselect 'Direct flights only.' Next, select a flight with a stop long enough to explore the city of your choice. The most sought-after stopovers include:

    • Amsterdam Airport Schiphol (AMS)

    • Dublin Airport (DUB)

    • Keflavik International Airport (KEF)

  • Located around 48 kilometres from the centre of London, STN can be reached in about 1 hour by car. The journey on public transport will take roughly 1 hour 25 minutes.

  • Want a leisurely start to your trip? Stay near STN. Whether you're catching an early flight from Stansted Airport to Seattle or just don't like being rushed, these hotels are all about convenience:

  • 64.73% of flights that depart Stansted Airport land at their destination on time.

How to find the cheapest flights from Stansted Airport (STN) to Seattle

  • R 5,803 is the lowest price we've seen for a one-way Stansted Airport to Seattle flight. A return flight ticket right now is R 9,089. Depending on when you book and the availability, these fares can change.

  • Don't leave everything to the last moment. You're more likely to land cheap flights from STN to Seattle if you book ahead. Airlines often offer some great early bird deals.

  • Landing cheap tickets from Stansted Airport to Seattle is more likely if you can be flexible with your dates. Try using the 'Whole month' search tool to get the lowest fares across every month and walk away with an epic deal.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an extra saving on cheap flights from STN to Seattle.

  • Tailor your trip with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Stansted Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) is around 23 kilometres from central Seattle. If you're getting a cab or a ride-share, the drive will take roughly 20 minutes.

  • It typically takes 55 minutes if you're using public transport.

  • Look into staying at a hotel near SEA if you're coming in on a late flight from Stansted Airport to Seattle. Select one of these options and skip the long transfer:

  • Go where the road takes you with a Seattle-Tacoma International Airport rental car. Pick up a set of wheels from Thrifty, Europcar or Budget and chase adventure across Seattle and beyond.

  • To lock in the lowest price, reserve your vehicle from Seattle-Tacoma International Airport around one week in advance of your flight from STN to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is about 3 kilometres from central Seattle. Once you've hopped off your flight from Stansted Airport to Seattle, it'll take you around 10 minutes to get to the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, you'll reach the centre in 25 minutes or so.

  • Place the 'Do not disturb' sign on your door and relax at a hotel near LKE. Here are a few options where you can kick back after your STN to Seattle flight:

Best time to go to Seattle

  • Before scheduling your flights from Stansted Airport to Seattle, consider which time of year works best for you. High season in Seattle offers a lively atmosphere and plenty to do, while the off-season means you'll get cheaper hotel rates and smaller crowds.

  • Before locking in your Stansted Airport to Seattle flight ticket, think about the kind of weather you prefer. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from STN to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Seattle right here. Browse these hotels as soon as you've locked in your flight from Stansted Airport to Seattle:

  • There are so many things to explore in this city it can be hard to know where to start. LMN Architects, Greyhound: Bus Station and Boeing Radiation Effects Lab are popular attractions which should be on any good Seattle itinerary.

Explore more of United States

  • Portland is just one of the many cities in United States waiting to be explored after you've seen Seattle. Around 241 kilometres away to the south, popular attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're eager to discover another well-known destination in United States, head for Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

Plan the rest of your trip from London to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.