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Cheap flights from Seattle to Glasgow from C$ 646

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
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Glasgow

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Glasgow
Explore the most affordable flight options available from Seattle to Glasgow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Sun 11/107:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Thu 15/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 28/7C$ 1,123
Fri 21/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Tue 6/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 29/7C$ 1,133
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$ 1,134
Tue 18/87:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Sun 4/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 26/7C$ 1,178
Mon 17/811:25 p.m.
SEA
-
GLA
1 stop30h 00m
Icelandair
Fri 9/102:20 p.m.
GLA
-
SEA
1 stop14h 20m
Icelandair
Deal found 26/7C$ 1,181
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$ 1,222
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$ 1,223
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$ 1,243
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$ 1,244
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$ 1,266

Find flight deals from Seattle to Glasgow

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Glasgow (GG1). 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 July 2026.

Round-trip from

C$ 1,123

One-way from

C$ 646

Popular in

June

Cheapest in

February

Average price

C$ 1,465
Icelandair
  • Icelandair
  • 11/10-15/10
  • 2 total stops
  • 24h 45m 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$ 491 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 79 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Glasgow 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 July 2026.
Use the filters below to find and compare flights from Seattle to Glasgow 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$ 1,123

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 20/8

11:25 p.m.-1:25 p.m.

1 stop30h 00m

Glasgow Intl

Mon 5/10

2:20 p.m.-5:55 p.m.

1 stop11h 35m

C$ 1,340

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 11/11

11:00 a.m.-12:45 p.m.

2 stops17h 45m

Glasgow Intl

Sun 15/11

6:00 a.m.-4:53 p.m.

2 stops18h 53m

C$ 1,356

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 24/10

7:16 a.m.-11:05 a.m.

2 stops19h 49m

Glasgow Intl

Sun 1/11

5:40 a.m.-5:37 p.m.

2 stops18h 57m

C$ 1,428

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 8/9

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

2 stops21h 10m

Glasgow Intl

Tue 22/9

2:00 p.m.-9:36 a.m.

2 stops27h 36m

C$ 1,439

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 8/9

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

2 stops21h 10m

Glasgow Intl

Thu 17/9

2:00 p.m.-9:36 a.m.

2 stops27h 36m

C$ 1,439

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 24/9

11:13 p.m.-10:10 a.m.

2 stops26h 57m

Glasgow Intl

Sat 3/10

2:00 p.m.-9:38 a.m.

2 stops27h 38m

C$ 1,501

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 19/8

1:25 p.m.-4:15 p.m.

2 stops18h 50m

Glasgow Intl

Sun 20/12

10:50 a.m.-11:50 a.m.

1 stop33h 00m

C$ 1,553

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 11/10

8:30 a.m.-10:10 a.m.

2 stops17h 40m

Glasgow Intl

Thu 15/10

2:00 p.m.-9:36 a.m.

2 stops27h 36m

C$ 1,881

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 19/8

1:27 p.m.-1:25 p.m.

2 stops15h 58m

Glasgow Intl

Sat 3/10

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

1 stop14h 20m

C$ 1,885

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Glasgow

Have a flexible travel schedule? Discover the best time to fly to Glasgow 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

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 926). Flying from Seattle to Glasgow in June is currently the most expensive (average of C$ 1,803). 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?

Airfare is below average for this route at the moment.
Seattle to Glasgow flights typically cost between C$ 1,180 and C$ 1,558 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,123 on Icelandair (11 Oct-15 Oct).

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

The price you pay for your flight from Seattle to Glasgow may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Glasgow. 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?

    For a flight from Seattle to Glasgow, 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 per day. 0 airlines have flights to Glasgow from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Glasgow?

    There are many flights that can get you from Seattle to Glasgow in 10h 25m. Fly via Icelandair, KLM, or British Airways to get the fastest option. The distance from Seattle to Glasgow is about 7154 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Glasgow 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?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 926). Flying from Seattle to Glasgow in June is currently the most expensive (average of C$ 1,803). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Glasgow

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Glasgow Intl flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Glasgow from Seattle today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Glasgow 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 with no change fees?

Certainly. Search results for flights to Glasgow 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 become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Glasgow 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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