Find flights
When to book
FAQs

Cheap flights from Seattle to Glasgow Intl Airport from C$ 479

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Glasgow Intl

Enter your travel dates to find the best prices.

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 29 April 2026.

Sun 6/93:40 p.m.
SEA
-
GLA
1 stop13h 45m
Icelandair
Wed 16/92:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 26/4C$ 1,177
Sun 27/97:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 1/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 27/4C$ 1,218
Sun 6/95:00 a.m.
SEA
-
GLA
2 stops21h 10m
United Airlines
Fri 18/92:00 p.m.
GLA
-
SEA
3 stops32h 22m
United Airlines
Deal found 27/4C$ 1,236
Sat 26/911:59 p.m.
SEA
-
GLA
2 stops26h 11m
United Airlines
Wed 30/92:00 p.m.
GLA
-
SEA
2 stops27h 59m
United Airlines
Deal found 28/4C$ 1,238
Sat 5/93:33 p.m.
SEA
-
GLA
1 stop34h 37m
United Airlines
Fri 18/92:00 p.m.
GLA
-
SEA
2 stops27h 35m
United Airlines
Deal found 26/4C$ 1,244
Tue 25/89:50 a.m.
SEA
-
GLA
2 stops19h 05m
Delta
Tue 1/96:00 a.m.
GLA
-
SEA
2 stops21h 33m
Delta
Deal found 29/4C$ 1,250
Tue 1/910:47 p.m.
SEA
-
GLA
2 stops27h 23m
United Airlines
Tue 15/92:00 p.m.
GLA
-
SEA
2 stops30h 40m
United Airlines
Deal found 27/4C$ 1,253
Mon 31/87:30 a.m.
SEA
-
GLA
1 stop18h 40m
United Airlines
Wed 16/92:00 p.m.
GLA
-
SEA
2 stops27h 35m
United Airlines
Deal found 27/4C$ 1,259
Tue 25/81:17 p.m.
SEA
-
GLA
2 stops17h 23m
British Airways
Tue 1/95:55 a.m.
GLA
-
SEA
1 stop13h 40m
British Airways
Deal found 28/4C$ 1,266
Sun 6/95:00 a.m.
SEA
-
GLA
2 stops21h 10m
United Airlines
Wed 16/92:00 p.m.
GLA
-
SEA
2 stops28h 03m
United Airlines
Deal found 26/4C$ 1,277
Mon 3/811:00 p.m.
SEA
-
GLA
1 stop27h 10m
United Airlines
Thu 20/82:00 p.m.
GLA
-
SEA
2 stops29h 34m
United Airlines
Deal found 26/4C$ 1,285

Find 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 29 April 2026.

Round-trip from

C$ 1,177

One-way from

C$ 479

Popular in

July

Cheapest in

November

Average price

C$ 1,070
Icelandair
  • Icelandair
  • 6/9-16/9
  • 2 total stops
  • 28h 05m total
  • Seattle to Glasgow
Search Deals
United Airlines
  • United Airlines
  • 5/8
  • 2 total stops
  • 21h 10m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 332 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 29 April 2026.
Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 6/9

5:00 a.m.-10:10 a.m.

2 stops21h 10m

Glasgow Intl

Tue 15/9

2:00 p.m.-10:03 a.m.

2 stops28h 03m

C$ 1,236

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 27/9

7:00 a.m.-10:10 a.m.

1 stop19h 10m

Glasgow Intl

Thu 1/10

2:00 p.m.-10:01 a.m.

2 stops28h 01m

C$ 1,236

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 1/9

10:47 p.m.-10:10 a.m.

2 stops27h 23m

Glasgow Intl

Tue 15/9

2:00 p.m.-12:40 p.m.

2 stops30h 40m

C$ 1,253

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 6/9

7:30 a.m.-10:10 a.m.

1 stop18h 40m

Glasgow Intl

Sun 20/9

2:00 p.m.-10:03 a.m.

2 stops28h 03m

C$ 1,304

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 6/8

5:04 p.m.-10:10 a.m.

3 stops33h 06m

Glasgow Intl

Wed 19/8

2:00 p.m.-10:03 a.m.

2 stops28h 03m

C$ 1,306
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 5/9

11:00 p.m.-10:10 a.m.

1 stop27h 10m

Glasgow Intl

Mon 21/9

2:00 p.m.-11:45 p.m.

1 stop17h 45m

C$ 1,307

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 2/9

11:00 p.m.-10:10 a.m.

1 stop27h 10m

Glasgow Intl

Thu 10/9

2:00 p.m.-10:03 a.m.

2 stops28h 03m

C$ 1,356

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 9/10

6:51 p.m.-10:10 a.m.

3 stops55h 19m

Glasgow Intl

Sun 18/10

2:00 p.m.-8:24 p.m.

2 stops38h 24m

C$ 1,381

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 20/7

11:52 p.m.-10:10 a.m.

2 stops26h 18m

Glasgow Intl

Sat 15/8

2:00 p.m.-10:03 a.m.

2 stops28h 03m

C$ 1,423

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 13/5

5:40 p.m.-12:55 p.m.

1 stop35h 15m

Glasgow Intl

Fri 22/5

6:00 a.m.-11:42 a.m.

1 stop13h 42m

C$ 1,434

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 17 resultsSorted by cheapest first
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?

Booking 25 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, November is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 892). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 1,388). 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.

How much does it cost to fly round-trip from Seattle to Glasgow Intl Airport?

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 United Airlines fly from Seattle to Glasgow Intl Airport in about 21h 10m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Glasgow Intl Airport is about 7154 km.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 892). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 1,388). 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.