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Cheap flights from Seattle to Glasgow Intl Airport from C$ 661

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
12 Apr — 19 Apr1
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 13 March 2026.

Tue 29/97:00 p.m.
SEA
-
GLA
1 stop10h 25m
Icelandair
Tue 20/102:20 p.m.
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 11/3C$ 1,003
Tue 11/81:30 p.m.
SEA
-
GLA
1 stop12h 10m
British Airways
Tue 18/81:05 p.m.
GLA
-
SEA
1 stop30h 30m
British Airways
Deal found 7/3C$ 1,007
Wed 28/107:50 p.m.
SEA
-
GLA
1 stop13h 00m
British Airways
Tue 10/1111:40 a.m.
GLA
-
SEA
2 stops19h 38m
British Airways
Deal found 9/3C$ 1,020
Mon 5/109:50 a.m.
SEA
-
GLA
2 stops19h 05m
Delta
Thu 15/109:10 a.m.
GLA
-
SEA
1 stop15h 29m
Delta
Deal found 9/3C$ 1,023
Mon 5/108:20 p.m.
SEA
-
GLA
1 stop14h 20m
British Airways
Thu 15/109:40 a.m.
GLA
-
SEA
2 stops19h 25m
British Airways
Deal found 10/3C$ 1,026
Mon 20/71:30 p.m.
SEA
-
GLA
1 stop12h 35m
British Airways
Tue 11/87:30 p.m.
GLA
-
SEA
1 stop24h 05m
British Airways
Deal found 7/3C$ 1,030
Mon 31/87:20 a.m.
SEA
-
GLA
2 stops21h 35m
Delta
Wed 9/96:00 a.m.
GLA
-
SEA
1 stop18h 35m
Delta
Deal found 7/3C$ 1,046
Tue 1/99:50 a.m.
SEA
-
GLA
2 stops19h 05m
Delta
Thu 10/96:00 a.m.
GLA
-
SEA
1 stop13h 47m
Delta
Deal found 7/3C$ 1,064
Tue 25/89:30 a.m.
SEA
-
GLA
2 stops19h 25m
Delta
Tue 1/96:00 a.m.
GLA
-
SEA
2 stops21h 05m
Delta
Deal found 9/3C$ 1,079

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 13 March 2026.

Round-trip from

C$ 1,007

One-way from

C$ 661

Popular in

July

Cheapest in

February

Average price

C$ 948
British Airways
  • British Airways
  • 11/8-18/8
  • 2 total stops
  • 42h 40m total
  • Seattle to Glasgow
Search Deals
KLM
  • KLM
  • 25/6
  • 1 total stop
  • 18h 20m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 13 March 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

Tue 11/8

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

1 stop12h 10m

Glasgow Intl

Tue 18/8

1:05 p.m.-11:35 a.m.

1 stop30h 30m

C$ 1,007

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 31/8

7:20 a.m.-12:55 p.m.

2 stops21h 35m

Glasgow Intl

Wed 9/9

6:00 a.m.-4:35 p.m.

1 stop18h 35m

C$ 1,046

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/8

9:30 a.m.-12:55 p.m.

2 stops19h 25m

Glasgow Intl

Tue 1/9

6:00 a.m.-7:05 p.m.

2 stops21h 05m

C$ 1,079

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 20/4

1:30 p.m.-10:05 a.m.

1 stop12h 35m

Glasgow Intl

Fri 1/5

12:20 p.m.-10:38 p.m.

2 stops18h 18m

C$ 1,102
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 28/8

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

1 stop10h 25m

Glasgow Intl

Sat 5/9

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

1 stop11h 35m

C$ 1,107

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 20/4

11:10 a.m.-4:10 p.m.

2 stops21h 00m

Glasgow Intl

Fri 1/5

9:10 a.m.-8:43 p.m.

2 stops19h 33m

C$ 1,120

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 12/8

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

3 stops31h 19m

Glasgow Intl

Wed 19/8

2:00 p.m.-2:22 p.m.

3 stops32h 22m

C$ 1,162

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 19/4

1:30 p.m.-9:50 a.m.

1 stop12h 20m

Glasgow Intl

Sun 26/4

12:15 p.m.-10:38 p.m.

2 stops18h 23m

C$ 1,170

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 29/4

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

1 stop28h 20m

Glasgow Intl

Sun 3/5

4:45 p.m.-11:35 a.m.

1 stop26h 50m

C$ 1,170
Cheapest one-way

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 25/6

1:50 p.m.-4:10 p.m.

1 stop18h 20m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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?

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 6 March 2026.

Booking 26 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$ 676). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 985). 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.

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 British Airways and Delta fly from Seattle to Glasgow Intl Airport in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 9h 25m. 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$ 676). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 985). 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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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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