Cheap Flights from Glasgow to Seattle

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Flight deals from Glasgow to Seattle

Looking for a cheap last-minute deal or the best return flight from Glasgow to Seattle? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Glasgow to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow to Seattle flights are currently cheapest in February.

Alternative Glasgow to Seattle routes

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

Glasgow to Seattle: Flight information

The things to know before you go.
Cheapest flight found600 €
Cheapest month to flyFebruary

Finding cheap flights from Glasgow 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 Glasgow to Seattle is 600 €. 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 Glasgow to Seattle. But we found flights with one or more stops from 600 €.
As of May 2025, there are no flights flying from Glasgow to Seattle.
The cheapest month to fly from Glasgow to Seattle is usually May 2025.
If you're flying from Glasgow, 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 600 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to Seattle on Monday, 9 February 2026.
No airlines currently offer direct flights between Glasgow 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 May, the average temperature is usually around 12°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.
The cheapest airline that flies to Seattle is Finnair .

Travelling from Glasgow to Seattle: what you need to know

  • Begin planning your holiday by considering the departure point for your flight from Glasgow to Seattle. Glasgow International Airport (GLA) and Glasgow Prestwick Airport (PIK) are Glasgow's main airports.

  • Touch down in Seattle at Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base Airport (LKE).

  • Seattle is seven hours behind Glasgow and is in the UTC-7 timezone.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your Glasgow to Seattle flight.

  • You'll likely experience longer lines in popular months such as June. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you plenty of time for security and boarding.

How to find the cheapest flights from Glasgow to Seattle

  • To find cheap Glasgow to Seattle flights, book as early as possible. Airlines usually offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool will show you the cheapest plane tickets from Glasgow to Seattle across every month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll tell you as soon as there's a better deal on cheap flights from Glasgow to Seattle.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your Glasgow to Seattle flight results by 'Fastest,' 'Cheapest' or 'Best.'

Flying from Glasgow

Glasgow International Airport (GLA)

  • Consider adding a stopover to possibly find a cheaper Glasgow to Seattle flight. Simply uncheck 'Direct flights only' when browsing departures from Glasgow International Airport. Break up your trip (and maybe save some cash) by stopping at one of these popular airports:

    • Keflavik International Airport (KEF)

    • London Heathrow Airport (LHR)

    • Dublin Airport (DUB)

  • Located around 11 kilometres from central Glasgow, GLA can be reached in about 15 minutes by car, depending on traffic. The journey by public transport is roughly 35 minutes.

  • After a stress-free start to your travels? Stay near Glasgow International Airport. Whether you've booked an early flight from Glasgow to Seattle or just don't want to be rushed, these hotels are ideal:

  • When it comes to Glasgow International Airport's on-time performance, data shows 70.07% of flights arrive within the scheduled time frame.

Glasgow Prestwick Airport (PIK)

  • On public transport, you can travel from central Glasgow to PIK in around 55 minutes. The terminal is roughly 48 kilometres away. Driving will take you about 40 minutes.

  • Want to treat yourself to an extra night away before your flight from Glasgow to Seattle? Check in to a hotel near Glasgow Prestwick Airport before your adventure officially begins. Consider one of these stays:

  • 76.7% of flights out of Glasgow Prestwick Airport arrive according to schedule.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes by car. The centre is roughly 18 kilometres away.

  • It typically takes 55 minutes to get there when travelling by public transport.

  • If you have a late flight from Glasgow to Seattle, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near SEA:

  • Travel at your own pace with a Seattle-Tacoma International Airport rental car. Pick up a set of wheels from Thrifty, Europcar or Budget and discover more of Seattle and beyond.

  • Booking your vehicle from Seattle-Tacoma International Airport about one week ahead gives you the best shot at securing a great deal.

Lake Union Sea Plane Base Airport (LKE)

  • After your flight from Glasgow to Seattle has landed, you can reach the city centre in about 10 minutes by car. Central Seattle is roughly 3 kilometres from Lake Union Sea Plane Base Airport (LKE).

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

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to LKE. Here are a few options where you can put your feet up after your flight from Glasgow to Seattle:

Best time to go to Seattle

  • It's time to figure out your travel dates for your flight from Glasgow to Seattle. July is the most popular month for a trip to Seattle. If you prefer a more relaxed vibe, go in May.

  • Lock in a Glasgow to Seattle ticket departing in August if you want to explore the city during its warmest month. Expect temperatures in Seattle to range from 12ºC (54ºF) to 28ºC (82ºF).

  • Search for cheap flights from Glasgow to Seattle in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Glasgow to Seattle, check out our selection of hotels including:

  • Greyhound: Bus Station and LMN Architects are just two of the major attractions to add to your Seattle travel itinerary. Keep the sightseeing going at Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle will leave a lasting impression, but there are so many other corners of United States you should also see. Around 241 kilometres south of Seattle, a trip to Portland will keep you busy. Check out popular attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're eager to discover another major destination in United States, head for Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among its highlights.

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