Cheap Flights from Glasgow to Seattle / Tacoma International

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Travellers and cabin class, 1 Adult, Economy

Compare Glasgow 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

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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 $1,195. Find the lowest prices on one-way and return tickets right here.

Seattle.$1,147 per passenger.Departing Mon, 11 Jan, returning Sun, 17 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Mon, 11 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 17 Jan, arriving in Glasgow Intl.Price includes taxes and charges.From $1,147, select.

Seattle.$1,148 per passenger.Departing Thu, 19 Nov, returning Sat, 28 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Thu, 19 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 28 Nov, arriving in Glasgow Intl.Price includes taxes and charges.From $1,148, select.

Seattle.$1,172 per passenger.Departing Fri, 23 Oct, returning Sun, 8 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Fri, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 8 Nov, arriving in Glasgow Intl.Price includes taxes and charges.From $1,172, select.

Seattle.$1,191 per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, 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 $1,191, select.

Seattle.$1,195 per passenger.Departing Fri, 23 Oct, returning Fri, 30 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Fri, 23 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 30 Oct, arriving in Glasgow Intl.Price includes taxes and charges.From $1,195, select.

Seattle.$1,244 per passenger.Departing Mon, 12 Apr, returning Thu, 22 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Mon, 12 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Thu, 22 Apr, arriving in Glasgow Intl.Price includes taxes and charges.From $1,244, select.

Seattle.$1,271 per passenger.Departing Fri, 7 May, returning Fri, 21 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Fri, 7 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 21 May, arriving in Glasgow Intl.Price includes taxes and charges.From $1,271, select.

Seattle.$1,297 per passenger.Departing Thu, 10 Dec, returning Mon, 11 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Thu, 10 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 11 Jan, arriving in Glasgow Intl.Price includes taxes and charges.From $1,297, select.

Seattle.$1,300 per passenger.Departing Sun, 8 Nov, returning Thu, 28 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Sun, 8 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Thu, 28 Jan, arriving in Glasgow Intl.Price includes taxes and charges.From $1,300, select.

Seattle.$1,301 per passenger.Departing Mon, 14 Dec, returning Tue, 29 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Glasgow Intl on Mon, 14 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with British Airways, departs from Seattle / Tacoma International on Tue, 29 Dec, arriving in Glasgow Intl.Price includes taxes and charges.From $1,301, select.

Seattle.$1,313 per passenger.Departing Sat, 30 Jan, returning Wed, 10 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Sat, 30 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 10 Feb, arriving in Glasgow Intl.Price includes taxes and charges.From $1,313, select.

Seattle.$1,313 per passenger.Departing Wed, 17 Mar, returning Wed, 31 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Wed, 17 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 31 Mar, arriving in Glasgow Intl.Price includes taxes and charges.From $1,313, select.

Seattle.$1,313 per passenger.Departing Wed, 3 Feb, returning Wed, 10 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Wed, 3 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 10 Feb, arriving in Glasgow Intl.Price includes taxes and charges.From $1,313, select.

Seattle.$1,314 per passenger.Departing Sun, 21 Feb, returning Fri, 5 Mar.Return flight with Air France.Outbound indirect flight with Air France, departs from Glasgow Intl on Sun, 21 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Air France, departs from Seattle / Tacoma International on Fri, 5 Mar, arriving in Glasgow Intl.Price includes taxes and charges.From $1,314, select.

Seattle.$1,317 per passenger.Departing Tue, 23 Mar, returning Tue, 6 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Tue, 23 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 6 Apr, arriving in Glasgow Intl.Price includes taxes and charges.From $1,317, select.

Seattle.$1,318 per passenger.Departing Tue, 20 Apr, returning Tue, 4 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Glasgow Intl on Tue, 20 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Tue, 4 May, arriving in Glasgow Intl.Price includes taxes and charges.From $1,318, 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 January.

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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.

Glasgow to Seattle: Flight information

The things to know before you go.

Cheapest flight found	$1,147
Cheapest month to fly	January

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

How much are return flights from Glasgow to Seattle / Tacoma International?

The best price we found for a return flight from Glasgow to Seattle / Tacoma International is $1,147. 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.

Which airlines fly direct from Glasgow to Seattle / Tacoma International?

Currently, there are no airlines that fly direct from Glasgow to Seattle / Tacoma International. But we found flights with one stop from $1,147.

How many flights are there a week from Glasgow to Seattle / Tacoma International?

As of September 2026, there are no flights flying from Glasgow to Seattle / Tacoma International.

When is the cheapest time to fly from Glasgow to Seattle / Tacoma International?

The cheapest month to fly from Glasgow to Seattle / Tacoma International is usually January.

Which upcoming date is cheapest to fly from Glasgow to Seattle / Tacoma International Airport on?

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, 11 January 2027.

Can I get a direct flight from Glasgow to Seattle / Tacoma International Airport?

No airlines currently offer direct flights between Glasgow and Seattle / Tacoma International Airport. Most routes have one or more stops.

How can I find the best flight deal to Seattle / Tacoma International?

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.

When is the best time to book flights to Seattle?

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.

Which is the cheapest airline to fly from Glasgow to Seattle / Tacoma International with?

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)

Have a late flight from Glasgow to Seattle-Tacoma International Airport? Don't let your travel day stretch into tomorrow. Check in to one of these hotels near SEA and turn out the lights sooner:
Go wherever you want, whenever you want with a Seattle-Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and find adventure across Seattle and beyond.
To get the best deal, reserve your vehicle around one week in advance of your Glasgow to Seattle-Tacoma International Airport flight.

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)

$996 is currently the best price for a one-way ticket from Glasgow to Seattle-Tacoma International Airport. A return flight starts at $1,147. 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 flight 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 flight 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 to 28ºC.
February sees temperatures of between -1ºC and 11ºC. 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.