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632 € Cheap Flights from Glasgow to Seattle / Tacoma International

Compare Glasgow to Seattle / Tacoma International flight deals

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

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Flight deals from Glasgow to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Glasgow to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from 700 €. Find the lowest prices on one-way and return tickets right here.
Seattle.632 € per passenger.Departing Mon, 7 Sep, returning Sun, 20 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Mon, 7 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 20 Sep, arriving in Glasgow Intl.Price includes taxes and charges.From 632 €, select.
Seattle.635 € per passenger.Departing Sun, 30 Aug, returning Sun, 6 Sep.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Sun, 30 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 6 Sep, arriving in Glasgow Intl.Price includes taxes and charges.From 635 €, select.
Seattle.639 € per passenger.Departing Mon, 1 Feb, returning Sun, 21 Feb.Return flight with Ryanair and Alaska Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Mon, 1 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sun, 21 Feb, arriving in Glasgow Intl.Price includes taxes and charges.From 639 €, select.
Seattle.640 € per passenger.Departing Tue, 6 Oct, returning Tue, 20 Oct.Return flight with Ryanair and Alaska Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Tue, 6 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 20 Oct, arriving in Glasgow Intl.Price includes taxes and charges.From 640 €, select.
Seattle.642 € per passenger.Departing Fri, 30 Oct, returning Wed, 25 Nov.Return flight with easyJet and Alaska Airlines.Outbound indirect flight with easyJet, departs from Glasgow Intl on Fri, 30 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Wed, 25 Nov, arriving in Glasgow Intl.Price includes taxes and charges.From 642 €, select.
Seattle.649 € per passenger.Departing Tue, 3 Nov, returning Sun, 8 Nov.Return flight with Ryanair and Alaska Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Tue, 3 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sun, 8 Nov, arriving in Glasgow Intl.Price includes taxes and charges.From 649 €, select.
Seattle.649 € per passenger.Departing Mon, 28 Sep, returning Tue, 6 Oct.Return flight with Ryanair and Alaska Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Mon, 28 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Tue, 6 Oct, arriving in Glasgow Intl.Price includes taxes and charges.From 649 €, select.
Seattle.660 € per passenger.Departing Wed, 27 Jan, returning Sun, 7 Feb.Return flight with easyJet and Alaska Airlines.Outbound indirect flight with easyJet, departs from Glasgow Intl on Wed, 27 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sun, 7 Feb, arriving in Glasgow Intl.Price includes taxes and charges.From 660 €, select.
Seattle.696 € per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departs from Glasgow Intl on Wed, 25 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Tue, 1 Dec, arriving in Glasgow Intl.Price includes taxes and charges.From 696 €, select.
Seattle.700 € per passenger.Departing Sun, 23 Aug, returning Sun, 30 Aug.Return flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departs from Glasgow Intl on Sun, 23 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 30 Aug, arriving in Glasgow Intl.Price includes taxes and charges.From 700 €, select.
Seattle.710 € per passenger.Departing Tue, 8 Dec, returning Mon, 14 Dec.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Tue, 8 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 14 Dec, arriving in Glasgow Intl.Price includes taxes and charges.From 710 €, select.
Seattle.727 € per passenger.Departing Sat, 10 Apr, returning Sat, 17 Apr.Return flight with Ryanair and Alaska Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Sat, 10 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 17 Apr, arriving in Glasgow Intl.Price includes taxes and charges.From 727 €, select.
Seattle.732 € per passenger.Departing Sun, 10 Jan, returning Fri, 15 Jan.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Sun, 10 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 15 Jan, arriving in Glasgow Intl.Price includes taxes and charges.From 732 €, select.
Seattle.759 € per passenger.Departing Mon, 3 May, returning Mon, 24 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Mon, 3 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 24 May, arriving in Glasgow Intl.Price includes taxes and charges.From 759 €, select.
Seattle.762 € per passenger.Departing Fri, 18 Dec, returning Sun, 3 Jan.Return flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departs from Glasgow Intl on Fri, 18 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 3 Jan, arriving in Glasgow Intl.Price includes taxes and charges.From 762 €, select.
Seattle.771 € per passenger.Departing Thu, 11 Mar, returning Tue, 16 Mar.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Thu, 11 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Tue, 16 Mar, arriving in Glasgow Intl.Price includes taxes and charges.From 771 €, select.

Find the cheapest month to fly from Glasgow to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow to Seattle / Tacoma International flights are currently cheapest in September.
Jul
Find prices
Aug
from 700 €
Sep
from 632 €
Oct
from 640 €
Nov
from 649 €
Dec
from 710 €
Jan
from 732 €
Feb
from 639 €
Mar
from 771 €
Apr
from 727 €
May
from 759 €
Jun
from 774 €

Glasgow to Seattle / Tacoma International: Alternative routes

Compare routes from Glasgow to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Seattle Lake Union SPB

2km from central Seattle
Closest
from 928 €
Search flights

Seattle Boeing Fld

11km from central Seattle
from 1.210 €
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from 632 €
Search flights

Paine Field

33km from central Seattle
from 908 €
Search flights

Glasgow to Seattle: Flight information

The things to know before you go.
Cheapest flight found632 €
Cheapest month to flySeptember

Finding cheap flights from Glasgow to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Glasgow to Seattle / Tacoma International is 632 €. 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 / Tacoma International. But we found flights with one stop from 632 €.
As of July 2026, there are no flights flying from Glasgow to Seattle / Tacoma International.
The cheapest month to fly from Glasgow to Seattle / Tacoma International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to Seattle / Tacoma International Airport on Monday, 7 September 2026.
No airlines currently offer direct flights between Glasgow and Seattle / Tacoma International Airport. 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 / Tacoma International 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.

The cheapest airline that flies to Seattle / Tacoma International is Icelandair .

Flying from Glasgow to Seattle-Tacoma International Airport (SEA): What you need to know

  • Glasgow is home to two main airports where you can start your adventure. Explore your options for booking a flight from Glasgow to Seattle-Tacoma International Airport (SEA) departing from Glasgow International Airport (GLA) or Glasgow Prestwick Airport (PIK).

  • Seattle-Tacoma International Airport is located in Seattle. The city is in the UTC-7 timezone and is seven hours behind Glasgow.

  • Leave enough time to make your flight from Glasgow to SEA. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • In high season, allow for longer wait times and arrive earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Glasgow

Glasgow International Airport (GLA)

  • Think about adding a stopover to find cheap flights from Glasgow to SEA. Simply uncheck 'Direct flights only' when searching for departures from Glasgow International Airport (GLA). Make a stop (and maybe make your fare cheaper) by passing through one of these airports:

    • London Heathrow Airport (LHR)

    • Dublin Airport (DUB)

    • Keflavik International Airport (KEF)

  • GLA is around 14 kilometres from central Glasgow. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 35 minutes.

  • Searching for a comfortable hotel close to Glasgow International Airport? If you're catching an early flight from Glasgow to Seattle-Tacoma International Airport, these accommodation options will put you moments from check-in:

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

Glasgow Prestwick Airport (PIK)

  • With public transport, you can travel from central Glasgow to PIK in around 55 minutes. The airport is roughly 48 kilometres away, and making the trip by car takes approximately 40 minutes.

  • Want to enjoy an extra night away before boarding your Glasgow to SEA flight? Kick back in a hotel near Glasgow Prestwick Airport before your break officially starts. Here's where you can stay:

  • 76.7% of all departures from Glasgow Prestwick Airport make it to their destination as expected.

About Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is roughly 18 kilometres from central Seattle. The time it takes to get to the centre in a car hire or cab will depend on the time of day. Do a little research beforehand.

  • Travelling by public transport takes around 55 minutes.

How to find the cheapest flights from Glasgow to Seattle-Tacoma International Airport (SEA)

  • 373 € is currently the best price for a one-way ticket from Glasgow to Seattle-Tacoma International Airport. A return flight starts at 632 €. These fares may change depending on demand.

  • To pick up cheap flights from Glasgow to SEA, book in advance. Airlines typically offer the most competitive fares when flights are first released.

  • The 'Whole month' search tool will show you the cheapest Glasgow to Seattle-Tacoma International Airport tickets throughout the month. It's a great way to find a bargain if your travel dates aren't set in stone.

  • Locking in a cheap plane ticket from Glasgow to SEA is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a better deal is available.

  • Hunt for savings on a flight from Glasgow to Seattle-Tacoma International Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Glasgow to Seattle-Tacoma International Airport (SEA)

  • It's time to work out your travel dates for your flight from Glasgow to Seattle-Tacoma International Airport (SEA). July is the peak month for travel to Seattle. If you like your getaways a little more chill, think about going in May.

  • Lock in a Glasgow to SEA plane ticket departing in August if you're eager to experience the city during its warmest month. You can expect temperatures in Seattle to range from 12ºC (54ºF) to 28ºC (82ºF).

  • February sees temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from Glasgow to Seattle-Tacoma International Airport around that time if you want to travel when it's cooler.

More about Seattle

  • Start your Seattle trip right by choosing the perfect place to stay. Once you've booked your flight from Glasgow to Seattle-Tacoma International Airport, check out our selection of accommodation options including:

  • There are so many things to discover in this city, it can be tricky to know where to start. Pike Place Market, Space Needle and Seattle Skyline are major attractions which should feature on every Seattle itinerary.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other corners of the United States just waiting to be discovered. Around 209 kilometres south of Seattle, a visit to Portland will fill your itinerary to the brim. Start with popular sights like Portland Japanese Garden, Voodoo Doughnut and Great Northwest.

  • If you're looking to explore another major stop in the United States, consider Vancouver, about 209 kilometres south of Seattle. Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.