$741 Cheap Flights from Glasgow (GLA) to Seattle (SEA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Glasgow to Seattle (GLA-SEA)

Prices were available within the past 7 days and start at $741 for one-way flights and $688 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Icelandair
British Airways
British Airways
British Airways
British Airways
British Airways
Finnair
American Airlines
Virgin Atlantic

Frequently asked questions

How much does a flight from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Discover the latest flight deals from GLA to SEA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GLA to SEA?
The cheapest flights from GLA to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GLA to SEA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from GLA to SEA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filters. Enter your travel dates and pick either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from GLA to SEA?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) on time, choose a flight that leaves Glasgow Intl. Airport (GLA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your flight from GLA to SEA just before your getaway is usually more expensive. But if there’s some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a GLA to SEA flight and hotel package?
Booking a GLA to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, it’s possible to cancel or reschedule your GLA to SEA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.
*Available to One Key members.