Flights from Glasgow to Seattle Starting at £438

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Glasgow to Seattle

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

16 23
23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Glasgow (GLA) to Seattle (SEA) the cheapest?

Airlines adjust prices for flights from Glasgow to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Glasgow (GLA) to Seattle (SEA) cost?

According to Trip.com's data, the lowest price is around £1,077.
What is the transportation method from the main airport to downtown in Seattle?
- The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
How many airports in Seattle (SEA)?

There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle-Tacoma International Airport.

How to find a cheap flight from Glasgow to Seattle

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Glasgow to Seattle. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Glasgow to Seattle.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Glasgow to Seattle over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Apr 23, with one-way flights priced at just £450.

Compare cheap flight deals from Glasgow to Seattle across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Glasgow to Seattle. The cheapest airline for this route is Icelandair.

Set up a Price Alert

By setting up a Price Alert for your journey from Glasgow to Seattle, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Glasgow to Seattle.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Glasgow to Seattle and snag some exclusive deals just for you.

Flight Information from Glasgow to Seattle

Cheapest one-way flight price	£450
Off-season travel month	February
Peak season for travel	December
Flight distance	7,164.77km
Popular airline	Air France

Flights to Seattle from Glasgow

Rich history, culture and landscape are just a few of the reasons why so many travellers flock to Seattle. And with cheap flights from Glasgow to Seattle available now, there’s never been a better time to experience this beautiful city for yourself. Perfect for a short weekend break or something longer, you can fly from Glasgow to Seattle in just over 9 hours 55 mins. When it comes to booking travel from Glasgow to Seattle, at Trip.com, you can compare flights and secure the best deals. Tickets from Glasgow to Seattle start at just £338 and with a range of airlines offering flights throughout the year, it’s easy to find a deal to suit you.

How to find cheap flights from Glasgow to Seattle

From mix-and-matching airlines to being flexible with your travel dates, booking with budget airlines and keeping your eye out for hidden extra costs, there are a range of ways to secure cheap flights from Glasgow to Seattle.

Airlines that fly from Glasgow to Seattle

You can fly from Glasgow to Seattle with British Airways, American Airlines.

Flight distance & Flight time from Glasgow to Seattle

Located a distance of 4445 miles from Glasgow, you’ll be touching down in Seattle in around 9 hours 55 mins.

Departure from Glasgow Airport to Seattle

Operating 24 hours a day with services every 12 minutes, the Glasgow Airport Express 500 is the most convenient way to get from Glasgow city centre to Glasgow Airport. You can catch the bus from Buchanan Bus Station and either purchase tickets onboard or via the app. Tickets for adults cost £10 and tickets for children cost £5.50. The bus takes just 15 minutes and will drop you directly at the airport terminal for a hassle-free journey. Although the airport doesn’t have its own train station, you can get a train from Glasgow Central Station to nearby Paisley Gilmour Street from just £4. From here, you can catch the McGill’s 757 bus to the airport.