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

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      Compare Glasgow to Seattle flight deals

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

      Book the best Seattle fare with no extra fees

      Flight deals from Glasgow to Seattle

      Looking for a cheap last-minute deal or the best return flight from Glasgow to Seattle? If you want to travel next month, return fares start from $1,151. Find the lowest prices on one-way and return tickets right here.

      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 October.

      Glasgow to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found$714
      Cheapest month to flyOctober

      Finding cheap flights from Glasgow to Seattle: Frequently asked questions

      There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
      The best price we found for a return flight from Glasgow to Seattle is $1,048. 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 to Seattle. But we found flights with one or more stops from $1,048.
      As of July 2026, there are no flights flying from Glasgow to Seattle.
      The cheapest month to fly from Glasgow to Seattle is usually November.
      If you're flying from Glasgow, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from $1,048.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Glasgow to Seattle on Monday, 16 November 2026.
      No airlines currently offer direct flights between Glasgow and Seattle. 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 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.

      In July, the average temperature is usually around 17°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.
      The cheapest airline that flies to Seattle is Ryanair .

      Flying from Glasgow to Seattle: what you need to know

      • Get your holiday planning started by considering where you'll catch your flight from Glasgow to Seattle. Glasgow Intl Airport (GLA) and Glasgow Prestwick Airport (PIK) are the main airports in Glasgow.

      • When choosing where to land in Seattle, Seattle / Tacoma International Airport (SEA) and Seattle Lake Union SPB Airport (LKE) are the chief entry points.

      • Seattle is eight hours behind Glasgow and follows the UTC-8 timezone.

      • Give yourself plenty of time to make your Glasgow to Seattle flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • Flying during a popular month like September? Public holidays and other high seasons can lead to longer queues and delays at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

      How to find the cheapest flights from Glasgow to Seattle

      • To pick up cheap Glasgow to Seattle flights, book early. Airlines generally offer lower fares when tickets are first released.

      • Finding cheap plane tickets from Glasgow to Seattle is easy if you can be flexible with your trip dates. Use the 'Whole month' search function to see the best prices throughout the month and snap up an incredible deal.

      • Getting a cheap flight from Glasgow to Seattle is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when the price has dropped.

      • Tailor your flights using filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' Glasgow to Seattle flights.

      Flying from Glasgow

      Glasgow Intl Airport (GLA)

      • Think about adding a stopover to potentially save money on your Glasgow to Seattle flight. Just uncheck 'Direct flights only' when searching for departures from Glasgow Intl Airport. Break up your trip (and maybe save some cash) by stopping at one of these popular airports:

        • London Heathrow Airport (LHR)

        • Dublin Airport (DUB)

        • Reykjavik Keflavik Airport (KEF)

      • The journey from central Glasgow to GLA takes about 30 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic.

      • Need a handy hotel near Glasgow Intl Airport? If you've booked an early flight from Glasgow to Seattle, these stays will have you sleeping moments from your departure lounge:

      • 81% of flights departing from Glasgow Intl Airport reach their destination on schedule. Given its impressive on-time stats, you're unlikely to experience delays when jetting out of GLA.

      Glasgow Prestwick Airport (PIK)

      • PIK is about 48 kilometres from central Glasgow. It takes 50 minutes or so to get to the airport if you're driving from the city centre. Public transport takes roughly 55 minutes.

      • Kick off your holiday early with an additional night away from home. Before your flight from Glasgow to Seattle, unwind in one of these hotels near Glasgow Prestwick Airport:

      • Glasgow Prestwick Airport has a track record for punctuality. 83% of flights taking off from here meet their scheduled arrival times without fail.

      Arriving in Seattle

      Seattle / Tacoma International Airport (SEA)

      • The distance from Seattle / Tacoma International Airport (SEA) to central Seattle is approximately 19 kilometres. It'll take you about 25 minutes to get to the centre driving.

      • If you're travelling by public transport, expect a journey time of roughly 35 minutes.

      • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Glasgow to Seattle. Book one of these accommodation options near SEA instead:

      • Pick up a Seattle / Tacoma International Airport rental car and explore Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are top providers you can book with here.

      • Reserving your ride from Seattle / Tacoma International Airport about one week in advance increases your chances of getting a good deal.

      Paine Field Airport (PAE)

      • Paine Field Airport (PAE) is roughly 32 kilometres from central Seattle. Following your flight from Glasgow to Seattle, it'll take you approximately 20 minutes to reach the heart of the city in a ride-share or taxi.

      • If you hop on public transport, the journey will take you 40 minutes or so.

      • After your flight from Glasgow to Seattle, settle in at a hotel near PAE. These are some great accommodation options that'll help you sink into relaxation mode:

      • Land, collect your Paine Field Airport rental car, and hit the road without missing a beat. Budget and Enterprise are popular providers to select from here.

      • Usually, the sooner you book, the better the prices and selection of vehicles. Lock in your ride from PAE once you know your travel dates.

      Seattle Boeing Fld Airport (BFI)

      • Seattle Boeing Fld Airport (BFI) is roughly 11 kilometres from central Seattle. It'll take you about 20 minutes to reach the city centre in a taxi or ride-share once you've stepped off your flight from Glasgow to Seattle.

      • If you're travelling on public transport, the journey takes around 35 minutes.

      • Put yourself in the driver's seat of the next part of your trip with a Seattle Boeing Fld Airport rental car. Alamo, Budget and Avis make getting on the road effortless.

      • If you'd like a certain type of vehicle, booking early increases your chances of getting exactly what you want. Secure your ride from BFI a few weeks ahead of your flight from Glasgow to Seattle.

      Best time to go to Seattle

      • March is the quietest month for flights from Glasgow to Seattle, while July is the busiest. Pick the ideal time to visit Seattle based on whether you like a lively atmosphere or a more laid-back vibe.

      • Before locking in your Glasgow to Seattle tickets, consider what kind of weather works for you. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • Search for cheap flights from Glasgow to Seattle in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

      More about Seattle

      • Start your Seattle trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Glasgow to Seattle, check out our selection of accommodation options including:

      • There are so many things to see and do in this city it can be tricky to work out where to begin. Space Needle, Pike Place Fish Market and The Museum of Flight are popular attractions which should feature on any good Seattle itinerary.

      Explore more of the United States

      • Seattle will leave a lasting impression, but there are so many other corners of the United States you'll want to see. About 241 kilometres south of Seattle, a visit to Portland will keep your itinerary packed. Start with popular sights like Portland Japanese Garden, Peninsula Park Rose Garden and International Rose Test Garden.

      • Spokane is another essential stop in the United States and is around 370 kilometres east of Seattle. No journey is complete without dropping by Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

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