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Cheap flights from Seattle to Glasgow Intl Airport from C$ 642

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
31 Aug — 7 Sep1
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 1 August 2026.

Sun 18/107:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 22/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 29/7C$ 1,116
Sun 16/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Tue 6/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 29/7C$ 1,126
Mon 17/811:25 p.m.
SEA
-
GLA
1 stop30h 00m
Icelandair
Tue 6/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 29/7C$ 1,127
Sun 16/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Fri 9/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 29/7C$ 1,214
Mon 17/811:25 p.m.
SEA
-
GLA
1 stop30h 00m
Icelandair
Wed 7/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 29/7C$ 1,216
Sun 16/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 8/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 29/7C$ 1,235
Mon 17/811:25 p.m.
SEA
-
GLA
1 stop30h 00m
Icelandair
Thu 8/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 29/7C$ 1,237
Wed 19/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Fri 9/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 29/7C$ 1,258
Wed 11/1111:45 a.m.
SEA
-
GLA
2 stops17h 00m
Delta
Tue 17/116:00 a.m.
GLA
-
SEA
1 stop13h 47m
Delta
Deal found 28/7C$ 1,263
Tue 10/117:15 a.m.
SEA
-
GLA
2 stops17h 15m
Delta
Tue 17/116:00 a.m.
GLA
-
SEA
2 stops16h 44m
Delta
Deal found 28/7C$ 1,277
Wed 19/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 8/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 29/7C$ 1,279
Wed 9/122:35 p.m.
SEA
-
GLA
1 stop14h 10m
Delta
Tue 29/125:40 a.m.
GLA
-
SEA
1 stop14h 10m
Delta
Deal found 28/7C$ 1,281

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 1 August 2026.

Round-trip from

C$ 1,116

One-way from

C$ 642

Popular in

June

Cheapest in

February

Average price

C$ 1,333
Icelandair
  • Icelandair
  • 18/10-22/10
  • 2 total stops
  • 22h 00m total
  • Seattle to Glasgow
Search Deals
United Airlines
  • United Airlines
  • 3/10
  • 2 total stops
  • 26h 57m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 485 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 1 August 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
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 11/10

7:00 p.m.-1:25 p.m.

1 stop10h 25m

Glasgow Intl

Thu 15/10

2:20 p.m.-8:40 p.m.

1 stop14h 20m

C$ 1,116

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 4/10

1:40 p.m.-2:40 p.m.

2 stops17h 00m

Glasgow Intl

Wed 14/10

9:30 a.m.-8:15 p.m.

2 stops18h 45m

C$ 1,351

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/8

7:00 p.m.-1:25 p.m.

1 stop10h 25m

Glasgow Intl

Tue 1/9

2:20 p.m.-11:05 p.m.

2 stops16h 45m

C$ 1,366

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 28/8

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

2 stops51h 10m

Glasgow Intl

Thu 10/9

2:00 p.m.-7:08 p.m.

3 stops37h 08m

C$ 1,391

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 16/9

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

2 stops27h 10m

Glasgow Intl

Tue 22/9

2:00 p.m.-11:36 p.m.

1 stop17h 36m

C$ 1,422

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 24/10

11:17 a.m.-11:45 a.m.

2 stops16h 28m

Glasgow Intl

Sun 1/11

12:40 p.m.-12:35 a.m.

2 stops19h 55m

C$ 1,492

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 18/10

7:00 p.m.-1:25 p.m.

1 stop10h 25m

Glasgow Intl

Thu 22/10

2:20 p.m.-1:59 p.m.

2 stops31h 39m

C$ 1,541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 3/9

8:10 a.m.-10:10 a.m.

2 stops42h 00m

Glasgow Intl

Mon 7/9

2:00 p.m.-7:08 p.m.

3 stops37h 08m

C$ 1,626

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 16/8

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

2 stops19h 10m

Glasgow Intl

Thu 20/8

2:00 p.m.-9:35 a.m.

2 stops27h 35m

C$ 1,943
Cheapest one-way

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 1/9

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

2 stops21h 10m

C$ 649

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 13 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 920). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of C$ 1,792). 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?

Airfare is below average for this route at the moment.

Seattle to Glasgow Intl Airport flights typically cost between C$ 1,172 and C$ 1,548 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,116 on Icelandair (18 Oct-22 Oct).

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, KLM, and United Airlines fly from Seattle to Glasgow Intl Airport in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 40h 45m. 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$ 920). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of C$ 1,792). 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

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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.

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