Cheap Flights from Glasgow Intl to Seattle / Tacoma International

Compare Glasgow Intl to Seattle / Tacoma International flight deals

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

Book the best Seattle / Tacoma International fare with no extra fees

Flight deals from Glasgow Intl to Seattle / Tacoma International

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

Find the cheapest month to fly from Glasgow Intl 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 Intl to Seattle / Tacoma International flights are currently cheapest in February.

Glasgow Intl to Seattle / Tacoma International: Alternative routes

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

Glasgow to Seattle: Flight information

The things to know before you go.
Cheapest flight found$1,236
Cheapest month to flySeptember

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

The best price we found for a return flight from Glasgow Intl to Seattle / Tacoma International is $1,244. 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 Intl to Seattle / Tacoma International. But we found flights with one or more stops from $1,236.
As of October 2024, there are no flights flying from Glasgow Intl to Seattle / Tacoma International.
The cheapest month to fly from Glasgow Intl to Seattle / Tacoma International is usually October 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow Intl Airport to Seattle / Tacoma International Airport on Wednesday, 24 September 2025.
No airlines currently offer direct flights between Glasgow Intl Airport 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.
Currently, Icelandair offers the cheapest flight tickets to Seattle / Tacoma International.

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

  • If you're taking off during a bank holiday or other peak period, give yourself extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • We make it a cinch to get a flight with a stopover. To see the options for flights from Glasgow International Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Popular stopovers between GLA and SEA include:

    • London Heathrow Airport

    • Keflavik International Airport

    • Dublin Airport

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

  • The best price we've found for a one-way ticket from Glasgow International Airport to Seattle-Tacoma International Airport is $1,217. The cheapest price for a return flight is $1,244. Remember that fares may change due to availability when booking.

  • Don't wait until the last moment. You're more likely to get flight tickets from GLA to SEA if you book early. Airlines often offer some amazing early bird deals.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the lowest price across the month when looking for your ticket from Glasgow International Airport to Seattle-Tacoma International Airport.

  • Getting a cheap ticket from GLA to SEA is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when the price has dropped.

  • Tailor your flights with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Glasgow International Airport to Seattle-Tacoma International Airport.

Handy information about Glasgow International Airport (GLA)

  • Glasgow International Airport 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 journey time to be around 33 minutes.

  • After a convenient hotel near GLA? If you're on an early flight from Glasgow International Airport to Seattle-Tacoma International Airport, these stays will put you moments from your check-in counter:

Arriving at Seattle-Tacoma International Airport (SEA)

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

  • Seattle-Tacoma International Airport is approximately 23 kilometres from the centre of Seattle. With your own car rental or in a cab, the drive is about 18 minutes.

  • It takes roughly 54 minutes to get there using public transport.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Glasgow International Airport to Seattle-Tacoma International Airport is May, while July is the busiest. Choose the best time to go to Seattle based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Glasgow International Airport to Seattle-Tacoma International Airport, consider the kind of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12 ºC to 28 ºC.

  • February has average temperatures of between -1 ºC and 11 ºC. Look for flight tickets from GLA to SEA sometime around then if you want to travel in cooler conditions.

More about Seattle

Complete your Seattle trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. Once you've booked your cheap ticket to Seattle-Tacoma International Airport, browse our great car rental deals that'll give you the freedom to travel around at your own pace. Next, take a look at our exclusive rates for hotels to find the ideal Seattle stay.

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