Cheap Flights from Glasgow (GLAS) to Seattle (SEAA)

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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.

Seattle.£441 per passenger.Departing Mon, 2 Mar, returning Mon, 9 Mar.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Mon, 2 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 9 Mar, arriving in Glasgow Intl.Price includes taxes and charges.From £441, select.

Seattle.£453 per passenger.Departing Thu, 21 May, returning Tue, 26 May.Return flight with Ryanair and Scandinavian Airlines.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Thu, 21 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Scandinavian Airlines, departs from Seattle / Tacoma International on Tue, 26 May, arriving in Glasgow Intl.Price includes taxes and charges.From £453, select.

Seattle.£454 per passenger.Departing Wed, 8 Apr, returning Sat, 18 Apr.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Wed, 8 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 18 Apr, arriving in Glasgow Intl.Price includes taxes and charges.From £454, select.

Seattle.£483 per passenger.Departing Sat, 18 Apr, returning Sat, 23 May.Return flight with Ryanair and Icelandair.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Sat, 18 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sat, 23 May, arriving in Glasgow Intl.Price includes taxes and charges.From £483, select.

Seattle.£524 per passenger.Departing Wed, 27 May, returning Thu, 4 Jun.Return flight with Aer Lingus and Icelandair.Outbound indirect flight with Aer Lingus, departs from Glasgow Intl on Wed, 27 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Thu, 4 Jun, arriving in Glasgow Intl.Price includes taxes and charges.From £524, select.

Seattle.£544 per passenger.Departing Fri, 11 Dec, returning Mon, 14 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Fri, 11 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 £544, select.

Seattle.£545 per passenger.Departing Thu, 5 Nov, returning Sun, 15 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Glasgow Intl on Thu, 5 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 15 Nov, arriving in Glasgow Intl.Price includes taxes and charges.From £545, select.

Seattle.£557 per passenger.Departing Tue, 19 May, returning Sun, 6 Sep.Return flight with Ryanair and Aer Lingus.Outbound indirect flight with Ryanair, departs from Glasgow Intl on Tue, 19 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Aer Lingus, departs from Seattle / Tacoma International on Sun, 6 Sep, arriving in Glasgow Intl.Price includes taxes and charges.From £557, select.

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 March.

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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 found	£441
Cheapest month to fly	March

Check out these Seattle hotels

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Populus Seattle

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Inn at the Market

0.81 miles from city centre

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Finding cheap flights from Glasgow to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Glasgow to Seattle?

The best price we found for a return flight from Glasgow to Seattle is £441. 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?

Currently, there are no airlines that fly direct from Glasgow to Seattle. But we found flights with one or more stops from £441.

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

As of February 2026, there are no flights flying from Glasgow to Seattle.

When is the cheapest time to fly from Glasgow to Seattle?

The cheapest month to fly from Glasgow to Seattle is usually March.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Glasgow, the cheapest airport near Seattle is Seattle / Tacoma International – which is 12.1 miles away from the centre of Seattle. We've found flights into this airport from £441.

Which upcoming date is cheapest to fly from Glasgow to Seattle on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to Seattle on Monday, 2 March 2026.

Can I get a direct flight from Glasgow to Seattle?

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

How can I get the best flight deal from Glasgow to Seattle?

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.

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.

What’s the weather like in Seattle?

In February, the average temperature is usually around 4°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.

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

The cheapest airline that flies to Seattle is Ryanair .

Travelling from Glasgow to Seattle: what you need to know

Glasgow is home to a couple of airports where you can set off on your adventure. Explore your options for reserving a flight from Glasgow to Seattle departing from Glasgow International Airport (GLA) or Glasgow Prestwick Airport (PIK).
When it comes to landing in Seattle, Seattle-Tacoma International Airport (SEA) and Lake Union Sea Plane Base Airport (LKE) are the chief entry points.
Seattle is seven hours behind Glasgow and is in the UTC-7 timezone.
For a stress-free start to your trip, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your Glasgow to Seattle flight.
Travelling during a popular month like June? Major public holidays and other high seasons can mean longer lines at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before domestic departures.

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 potentially save money on your Glasgow to Seattle flight. Just uncheck 'Direct flights only' when searching for departures from Glasgow International Airport. Take a break (and maybe save some cash) by stopping at one of these popular options:
- London Heathrow Airport (LHR)
- Dublin Airport (DUB)
- Keflavik International Airport (KEF)
Located around 11 kms (7 miles) from the centre of Glasgow, GLA can be reached in about 15 minutes by car, depending on traffic. The journey by public transport takes roughly 35 minutes.
Need a convenient hotel close to Glasgow International Airport? If you're boarding an early flight from Glasgow to Seattle, these accommodation options will have you sleeping nice and close to your departure gate:
When it comes to Glasgow International Airport's on-time performance, 70.07% of flights complete their journey on time.

Glasgow Prestwick Airport (PIK)

You can get to PIK from the centre of Glasgow in about 40 minutes by car, depending on traffic. The ride by public transport will take roughly 55 minutes to travel the 48 kms (30 miles) or so.
Want to treat yourself to an extra night away before boarding your flight from Glasgow to Seattle? Check in to a hotel near Glasgow Prestwick Airport before your holiday officially begins. These stays are calling your name:
Glasgow Prestwick Airport has an on-time performance rate of 77%. This figure shows how often flights that leave from this airport land at their destination on schedule.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes to reach by car. The centre is roughly 19 kms (12 miles) away.
It usually 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. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these hotels near SEA:
Grab a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are well-known companies you can book with here.
Get the best deal by reserving your vehicle from Seattle-Tacoma International Airport around one week ahead of your departure.

Lake Union Sea Plane Base Airport (LKE)

After your flight from Glasgow to Seattle has touched down, you can get to the city centre in around 10 minutes by car. Central Seattle is roughly 3 kms (2 miles) from Lake Union Sea Plane Base Airport (LKE).
The journey will take approximately 25 minutes on public transport.
There are some comfortable places to call home for the night near LKE. Settle in and get cosy after your Glasgow to Seattle flight at any of these perfectly located options:

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

When it comes to looking for somewhere to rest your head, you'll find the best stays in Seattle right here. Explore these hotels once you've locked in your flight from Glasgow to Seattle:
Every great adventure has to include a little sightseeing. Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab are must-visits when exploring Seattle.

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 150 miles 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 230 miles east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among its highlights.