Find flights
When to book
FAQs

Cheap flights from Seattle to Glasgow Intl Airport from C$ 583

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Seattle to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 746

One-way from

C$ 583

Popular in

December

Cheapest in

November

Average price

C$ 1,096
Icelandair
  • Icelandair
  • 1/3-5/3
  • 2 total stops
  • 23h 45m total
  • Seattle to Glasgow
Search Deals
British Airways
  • British Airways
  • 24/2
  • 1 total stop
  • 13h 20m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Seattle to Glasgow Intl

Cheapest flights from Seattle to Glasgow Intl
Explore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Sat 1/112:35 p.m.SEA - GLA
1 stop13h 10mBritish Airways
Sun 16/118:15 p.m.GLA - SEA
1 stop28h 40mBritish Airways
Deal found 9/9C$ 1,019
Sat 18/108:20 p.m.SEA - GLA
1 stop27h 35mBritish Airways
Sat 25/106:55 a.m.GLA - SEA
1 stop12h 40mBritish Airways
Deal found 10/9C$ 1,032
Sun 21/91:55 p.m.SEA - GLA
1 stop34h 15mKLM
Sat 4/104:55 p.m.GLA - SEA
1 stop31h 10mKLM
Deal found 10/9C$ 1,043
Fri 3/105:40 p.m.SEA - GLA
1 stop14h 30mKLM
Mon 13/104:55 p.m.GLA - SEA
1 stop31h 10mKLM
Deal found 10/9C$ 1,139
Fri 17/108:20 p.m.SEA - GLA
1 stop16h 00mBritish Airways
Sun 26/108:15 p.m.GLA - SEA
1 stop28h 40mBritish Airways
Deal found 9/9C$ 1,170
Sat 25/109:46 a.m.SEA - GLA
2 stops19h 59mDelta
Sat 1/116:05 a.m.GLA - SEA
2 stops19h 55mDelta
Deal found 10/9C$ 1,271
Fri 17/109:46 a.m.SEA - GLA
2 stops18h 59mDelta
Sun 26/106:05 a.m.GLA - SEA
2 stops21h 40mDelta
Deal found 9/9C$ 1,310
Sat 15/1112:59 a.m.SEA - GLA
2 stops25h 46mMultiple Airlines
Wed 19/119:45 a.m.GLA - SEA
2 stops17h 03mMultiple Airlines
Deal found 10/9C$ 1,664

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Glasgow Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Fly from

Seattle

Fly to

Glasgow Intl

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 1/3

2:35 p.m.-9:55 a.m.

1 stop11h 20m

Glasgow Intl

Thu 5/3

12:35 p.m.-5:00 p.m.

1 stop12h 25m

C$ 746

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 3/2

1:25 p.m.-1:05 p.m.

1 stop15h 40m

Glasgow Intl

Thu 12/2

12:45 p.m.-11:07 p.m.

2 stops18h 22m

C$ 894

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 8/2

6:50 p.m.-7:25 p.m.

1 stop16h 35m

Glasgow Intl

Sat 14/2

4:00 p.m.-4:55 p.m.

1 stop32h 55m

C$ 949

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 1/11

2:35 p.m.-10:45 a.m.

1 stop13h 10m

Glasgow Intl

Sun 16/11

8:15 p.m.-4:55 p.m.

1 stop28h 40m

C$ 1,019

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 7/2

6:50 p.m.-5:10 p.m.

1 stop14h 20m

Glasgow Intl

Sat 14/2

9:35 a.m.-4:55 p.m.

1 stop15h 20m

C$ 1,019

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 18/10

8:20 p.m.-7:55 a.m.

1 stop27h 35m

Glasgow Intl

Sat 25/10

6:55 a.m.-11:35 a.m.

1 stop12h 40m

C$ 1,032

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 3/10

5:40 p.m.-4:10 p.m.

1 stop14h 30m

Glasgow Intl

Mon 13/10

4:55 p.m.-4:05 p.m.

1 stop31h 10m

C$ 1,139

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 24/2

1:25 p.m.-10:45 a.m.

1 stop13h 20m

C$ 583

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 10/2

6:50 p.m.-3:50 p.m.

1 stop13h 00m

C$ 583

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 23/10

1:30 p.m.-9:40 a.m.

1 stop12h 10m

C$ 637

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 13 results
1
2

Best time to book a flight from Seattle to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Glasgow Intl Airport

How far ahead should I book a flight from Seattle to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Glasgow Intl. Price data was last updated on 29 August 2025.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Glasgow Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 570). Flying from Seattle to Glasgow Intl Airport in December is currently the most expensive (average of C$ 969). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to GLA?

Find hourly flight availability from Seattle to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Glasgow Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Glasgow Intl?

    For a flight from Seattle to Glasgow Intl, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Glasgow Intl per day. 0 airlines have flights to Glasgow Intl from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Glasgow Intl Airport?

    Airlines like Icelandair and British Airways fly from Seattle to Glasgow Intl Airport in about 11h 20m. The time it takes to get you to your destination can typically vary by up to 4h 20m. The distance between Seattle and Glasgow Intl Airport is about 7154 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Seattle to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to Glasgow Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Glasgow Intl.

  • Can I find deals for business class flights from Seattle to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Seattle to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 570). Flying from Seattle to Glasgow Intl Airport in December is currently the most expensive (average of C$ 969). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Glasgow Intl?

Deals for Seattle to Glasgow Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Glasgow Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Glasgow Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Glasgow Intl with no change fees?

Certainly. Search results for flights to Glasgow Intl from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.