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Cheap flights from Seattle to Glasgow from C$ 561

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 October 2025.

Round-trip from

C$ 717

One-way from

C$ 561

Popular in

July

Cheapest in

November

Average price

C$ 1,004
Icelandair
  • Icelandair
  • 8/3-12/3
  • 2 total stops
  • 23h 45m total
  • Seattle to Glasgow
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Icelandair
  • Icelandair
  • 15/11
  • 1 total stop
  • 11h 20m total
  • Seattle to Glasgow
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Highest demand for flights based on searches. 19% potential increase in price (C$ 398 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 2025.

Sun 9/113:00 p.m.SEA - GLA
1 stop33h 30mDelta
Sun 16/1110:50 a.m.GLA - SEA
1 stop32h 55mDelta
Deal found 26/10C$ 911
Mon 27/104:00 p.m.SEA - GLA
1 stop13h 45mKLM
Mon 3/116:05 a.m.GLA - SEA
2 stops18h 49mKLM
Deal found 27/10C$ 925
Tue 25/113:00 p.m.SEA - GLA
1 stop17h 35mDelta
Tue 2/126:05 a.m.GLA - SEA
2 stops19h 06mDelta
Deal found 28/10C$ 958
Tue 25/116:00 a.m.SEA - GLA
2 stops18h 30mVirgin Atlantic
Tue 2/126:05 a.m.GLA - SEA
2 stops22h 45mVirgin Atlantic
Deal found 28/10C$ 965
Sun 9/113:00 p.m.SEA - GLA
1 stop33h 30mDelta
Sat 15/1110:40 a.m.GLA - SEA
2 stops38h 20mDelta
Deal found 26/10C$ 1,034
Mon 10/1111:15 a.m.SEA - GLA
2 stops17h 30mKLM
Sun 16/116:05 a.m.GLA - SEA
2 stops18h 55mKLM
Deal found 26/10C$ 1,039
Thu 30/109:25 a.m.SEA - GLA
2 stops16h 05mKLM
Sat 8/116:05 a.m.GLA - SEA
1 stop13h 40mKLM
Deal found 27/10C$ 1,130
Thu 11/127:10 a.m.SEA - GLA
2 stops21h 35mDelta
Thu 18/126:05 a.m.GLA - SEA
1 stop13h 45mDelta
Deal found 27/10C$ 1,162

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 October 2025.
Use the filters below to find and compare flights from Seattle to Glasgow that are best for you.

Fly from

Seattle

Fly to

Glasgow

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 8/3

3:35 p.m.-9:55 a.m.

1 stop11h 20m

Glasgow Intl

Thu 12/3

12:35 p.m.-6:00 p.m.

1 stop12h 25m

C$ 770

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 14/1

3:10 p.m.-4:35 p.m.

1 stop17h 25m

Glasgow Intl

Wed 21/1

6:05 a.m.-11:50 a.m.

1 stop13h 45m

C$ 853

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 27/4

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

1 stop10h 25m

Glasgow Intl

Wed 6/5

2:20 p.m.-8:45 p.m.

1 stop14h 25m

C$ 855

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 27/4

3:45 p.m.-1:25 p.m.

1 stop13h 40m

Glasgow Intl

Thu 7/5

2:20 p.m.-5:50 p.m.

1 stop11h 30m

C$ 855

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 26/4

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

1 stop10h 25m

Glasgow Intl

Mon 4/5

2:20 p.m.-8:45 p.m.

1 stop14h 25m

C$ 855

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 27/4

3:45 p.m.-1:25 p.m.

1 stop13h 40m

Glasgow Intl

Tue 5/5

2:20 p.m.-5:50 p.m.

1 stop11h 30m

C$ 855

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 24/4

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

1 stop10h 25m

Glasgow Intl

Mon 4/5

2:20 p.m.-5:50 p.m.

1 stop11h 30m

C$ 855

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 14/1

12:00 p.m.-4:35 p.m.

2 stops20h 35m

Glasgow Intl

Wed 21/1

6:05 a.m.-11:50 a.m.

1 stop13h 45m

C$ 858

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 25/4

3:45 p.m.-1:25 p.m.

1 stop13h 40m

Glasgow Intl

Mon 4/5

2:20 p.m.-5:50 p.m.

1 stop11h 30m

C$ 908

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 25/4

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

1 stop10h 25m

Glasgow Intl

Fri 8/5

2:20 p.m.-5:50 p.m.

1 stop11h 30m

C$ 908

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/10

Showing 1-10 of 18 results
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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 24 October 2025.

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 36 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, October is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 691). Flying from Seattle to Glasgow in July is currently the most expensive (average of C$ 1,144). 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.

What is the cheapest time of day to fly from SEA to GLA?

Find hourly flight availability from Seattle to Glasgow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Glasgow in the evening. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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 11h 20m. Fly via Icelandair or KLM 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, October is the cheapest month in which you can book a flight from Seattle to Glasgow (average of C$ 691). Flying from Seattle to Glasgow in July is currently the most expensive (average of C$ 1,144). 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

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

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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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