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Cheap flights from Seattle to Glasgow from C$ 681

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
9 Apr — 16 Apr1
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 10 March 2026.

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$ 1,004
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$ 1,018
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$ 1,020
Mon 5/101:35 p.m.
SEA
-
GLA
1 stop15h 50m
British Airways
Thu 15/109:40 a.m.
GLA
-
SEA
2 stops19h 25m
British Airways
Deal found 5/3C$ 1,022
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$ 1,027
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$ 1,043
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$ 1,061
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$ 1,076

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 10 March 2026.

Round-trip from

C$ 1,004

One-way from

C$ 681

Popular in

July

Cheapest in

February

Average price

C$ 946
British Airways
  • British Airways
  • 11/8-18/8
  • 2 total stops
  • 42h 40m total
  • Seattle to Glasgow
Search Deals
British Airways
  • British Airways
  • 8/4
  • 1 total stop
  • 15h 30m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 34 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 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 10 March 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

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$ 1,004

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/8

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

2 stops21h 35m

Glasgow Intl

Tue 1/9

9:10 a.m.-8:28 p.m.

2 stops19h 18m

C$ 1,076

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$ 1,099

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 20/4

11:40 a.m.-4:10 p.m.

2 stops20h 30m

Glasgow Intl

Fri 1/5

1:30 p.m.-11:59 p.m.

2 stops18h 29m

C$ 1,117
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 26/4

1:35 p.m.-9:50 a.m.

1 stop12h 15m

Glasgow Intl

Sun 3/5

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

2 stops18h 23m

C$ 1,167

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$ 1,167

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 19/4

10:15 a.m.-4:10 p.m.

2 stops21h 55m

Glasgow Intl

Sun 26/4

6:00 a.m.-5:50 p.m.

2 stops19h 50m

C$ 1,185

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 12/8

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

2 stops21h 35m

Glasgow Intl

Tue 18/8

9:10 a.m.-8:41 p.m.

2 stops19h 31m

C$ 1,285
Cheapest one-way
Quickest one-way

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 8/4

1:30 p.m.-10:20 a.m.

1 stop12h 50m

C$ 681

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 7/4

9:25 a.m.-12:55 p.m.

2 stops19h 30m

C$ 748

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 11 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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Glasgow. Price data was last updated on 6 March 2026.

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 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 601). Flying from Seattle to Glasgow in July is currently the most expensive (average of C$ 982). 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. 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 12h 10m. Fly via British Airways or Delta 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, January is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 601). Flying from Seattle to Glasgow in July is currently the most expensive (average of C$ 982). 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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