Cheap Flights from Seattle to Glasgow Intl

Compare Seattle to Glasgow Intl flight deals

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

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Flight deals from Seattle to Glasgow Intl

Looking for a cheap last-minute deal or the best return flight from Seattle to Glasgow Intl Airport? If you want to travel next month, return fares start from R 13,440. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Glasgow Intl

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

Seattle to Glasgow Intl: Alternative routes

Compare routes from Seattle 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 foundR 3,570
Cheapest month to flyAugust

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

The best price we found for a return flight from Seattle to Glasgow Intl is R 11,747. 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 to Glasgow Intl. But we found flights with one stop from R 11,850.
As of June 2026, there are no flights flying from Seattle to Glasgow Intl.
The cheapest month to fly from Seattle to Glasgow Intl is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Glasgow Intl Airport on Monday, 3 August 2026.
No airlines currently offer direct flights between Seattle 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.
The cheapest airline that flies to Glasgow Intl is Icelandair .

Flying from Seattle to Glasgow Airport (GLA): What you need to know

  • Glasgow Airport is located in Glasgow. The city operates on the UTC+0 timezone and is eight hours ahead of Seattle.

  • For stress-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your flight from Seattle to GLA.

  • Popular months like July or holiday periods such as Thanksgiving and Christmas will mean longer waits at check-in and security. Play it safe and get to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a smart move.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Stopovers are the perfect opportunity to take a break from travelling and possibly even explore a different city. When browsing cheap flights from Seattle to GLA leaving from Seattle-Tacoma International Airport (SEA), uncheck the 'Direct flights only' box to find out where you can visit along the way. Popular options include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Dublin Airport (DUB)

  • Travelling from central Seattle to SEA takes about 35 minutes on public transport. If you ride-share, drive or take a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic.

  • Want a relaxed start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Glasgow Airport or prefer not to feel hurried, these hotels are just what you're after:

  • Seattle-Tacoma International Airport has a solid on-time performance, so you're unlikely to face delays. Departures from SEA touch down on schedule 80% of the time.

Seattle Paine Field International Airport (PAE)

  • PAE is around 40 kilometres from central Seattle. It'll take you 40 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 1 hour 30 minutes.

  • Kick off your holiday early with an extra night away from home. Before your Seattle to GLA flight, stay in one of these hotels near Seattle Paine Field International Airport:

  • The majority of flights that leave Seattle Paine Field International Airport make it to their destination within the expected time frame. It boasts a strong on-time performance rate of 80%.

About Glasgow Airport (GLA)

Getting from Glasgow Airport (GLA) to central Glasgow

  • From Glasgow Airport, central Glasgow is around 13 kilometres away. It takes about 20 minutes to get to the city centre by car.

  • If you're travelling by public transport, expect a journey time of around 30 minutes.

How to find the cheapest flights from Seattle to Glasgow Airport (GLA)

  • The lowest price we've found for a one-way ticket from Seattle to Glasgow Airport is R 3,539. For a return flight on this route, the best price is R 11,850. Depending on the availability and when you book, these fares can change.

  • Don't wait until the last minute. You're more likely to walk away with cheap flights from Seattle to GLA if you book early. Airlines often offer some excellent early bird discounts.

  • If you're flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price across the month when searching for your Seattle to Glasgow Airport ticket.

  • Never miss a deal on plane tickets from Seattle to GLA by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Filters make it easier to snap up a deal on your flight from Seattle to Glasgow Airport. Choose the airlines, flight times and number of stops that match your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Seattle to Glasgow Airport (GLA)

  • September is the busiest month for flights from Seattle to Glasgow Airport (GLA). Visit Glasgow in January for a quieter experience.

  • The warmest month in Glasgow is July, with temperatures ranging between 8ºC (46ºF) and 20ºC (68ºF). Book your Seattle to GLA plane ticket then if that's your definition of good weather.

  • If you like travelling in cooler conditions, search for a cheap ticket from Seattle to Glasgow Airport in January when temperatures are between -1ºC (30ºF) and 7ºC (45ºF).

More about Glasgow

  • Once you've booked your flight from Seattle to Glasgow Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Glasgow:

  • All great journeys should include a little sightseeing. Glasgow Cathedral, King's Theatre and Kelvingrove Art Gallery and Museum are must-do's during your Glasgow adventure.

Explore more of the United Kingdom

  • You've seen Glasgow, now it's time to discover other parts of the United Kingdom. Travel around 306 kilometres southeast to Manchester to tick off its popular sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a packed itinerary ahead.

  • If you're ready to explore another major stop in the United Kingdom, consider Preston, about 257 kilometres southeast of Glasgow. Brockholes, Avenham and Miller Parks and Samlesbury Hall are the start of reasons to visit.

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