Cheap flight tickets from Seattle / Tacoma International to Glasgow Intl

Compare Seattle / Tacoma International to Glasgow Intl flight deals

Find the cheapest month or even day of the year to fly to Glasgow Intl

Book the best Glasgow Intl fare with no extra fees

Flight deals from Seattle / Tacoma International to Glasgow Intl

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Glasgow Intl Airport? If you want to travel next month, return fares start from RM3,210. Find the lowest prices on one-way and return tickets right here.

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

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

Seattle / Tacoma International to Glasgow Intl: Alternative routes

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

Seattle to Glasgow: Flight information

The things to know before you go.
Cheapest flight foundRM1,332
Cheapest month to flyOctober

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

The best price we found for a return flight from Seattle / Tacoma International to Glasgow Intl is RM3,210. 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 Seattle / Tacoma International to Glasgow Intl. But we found flights with one or more stops from RM3,210.
As of June 2026, there are no flights flying from Seattle / Tacoma International to Glasgow Intl.
The cheapest month to fly from Seattle / Tacoma International to Glasgow Intl is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Glasgow Intl Airport on Saturday, 25 July 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Glasgow Intl 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 Glasgow Intl 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 Glasgow is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Icelandair offers the cheapest flight tickets to Glasgow Intl.

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

  • Glasgow is seven hours ahead of Seattle and follows the UTC+0 timezone.

  • To ensure you get on your SEA to GLA flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • You can expect longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a good idea.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Seattle-Tacoma International Airport to Glasgow International Airport. These are the top stopovers between SEA and GLA:

    • London Heathrow Airport

    • Dublin Airport

    • Amsterdam Airport Schiphol

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

  • Currently, RM1,332 is the lowest price we've seen for a one-way Seattle-Tacoma International Airport to Glasgow International Airport flight. The best price for a return ticket is RM3,210. Keep in mind that fares could change due to availability when booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from SEA to GLA if you book in advance. Airlines often offer some amazing early bird rates.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' tool. It'll give you the lowest price across every month when looking for a flight from Seattle-Tacoma International Airport to Glasgow International Airport.

  • You don't need to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know as soon as a special offer becomes available on cheap flights from SEA to GLA.

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

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport gets high marks for its on-time performance. 81.27% of flights that depart SEA arrive at their destination on time.

  • Seattle-Tacoma International Airport is around 23 kilometres from central Seattle. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • The trip on public transport will take about 55 minutes.

  • Catching an early flight from Seattle-Tacoma International Airport to Glasgow International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to SEA:

Arriving at Glasgow International Airport (GLA)

  • If you're coming in on a late Seattle-Tacoma International Airport to Glasgow International Airport flight, nothing tops the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and snoozing shortly after at one of these options near GLA:

  • Grab a Glasgow International Airport rental car and explore Glasgow and beyond with your own set of wheels. Green Motion, Drivalia and Alamo are top providers to choose from here.

  • Lock in the lowest price by booking your ride from Glasgow International Airport about three weeks before your travel date.

Getting from Glasgow International Airport (GLA) to central Glasgow

  • From Glasgow International Airport, Glasgow is approximately 14 kilometres away. It takes around 15 minutes to reach the centre by car.

  • It typically takes 35 minutes if you're travelling by public transport.

When to fly to Glasgow International Airport (GLA)

  • June is the busiest month for flights from Seattle-Tacoma International Airport to Glasgow International Airport. To escape the crowds, travel to Glasgow in April.

  • The warmest month in Glasgow is July, with temperatures ranging between 9ºC (48ºF) and 20ºC (68ºF). Lock in your flights from Seattle-Tacoma International Airport to Glasgow International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from SEA to GLA in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 7ºC (45ºF) on average.

Explore more of United Kingdom

  • You've done Glasgow, now it's time to explore more of United Kingdom. Journey around 402 kilometres south-east to Birmingham to check off its top sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.

  • If you want to check out another well-known destination in United Kingdom, consider Edinburgh, roughly 64 kilometres east of Glasgow. Edinburgh Castle, Arthur's Seat and National Museum of Scotland are key highlights.

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