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Cheap flights from Seattle to Glasgow Intl Airport from C$ 441

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
11 Jan — 18 Jan1
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 12 December 2025.

Wed 17/1211:15 a.m.SEA - GLA
2 stops17h 30mKLM
Mon 22/125:20 p.m.GLA - SEA
1 stop26h 30mKLM
Deal found 11/12C$ 2,047
Wed 17/127:20 a.m.SEA - GLA
2 stops21h 25mDelta
Mon 22/126:05 a.m.GLA - SEA
2 stops18h 02mDelta
Deal found 11/12C$ 2,549
Thu 18/123:05 p.m.SEA - GLA
1 stop17h 35mKLM
Thu 1/16:05 a.m.GLA - SEA
1 stop13h 45mKLM
Deal found 10/12C$ 3,405
Fri 12/122:35 p.m.SEA - GLA
1 stop11h 20mIcelandair
Sun 21/1212:35 p.m.GLA - SEA
1 stop12h 25mIcelandair
Deal found 11/12C$ 3,642
Thu 18/127:20 a.m.SEA - GLA
2 stops21h 25mDelta
Thu 1/16:05 a.m.GLA - SEA
2 stops18h 52mDelta
Deal found 10/12C$ 3,770
Mon 15/127:00 a.m.SEA - GLA
2 stops20h 50mLufthansa
Sun 4/112:45 p.m.GLA - SEA
1 stop31h 25mLufthansa
Deal found 11/12C$ 4,650
Fri 12/126:50 p.m.SEA - GLA
1 stop12h 20mBritish Airways
Sun 21/1212:50 p.m.GLA - SEA
2 stops18h 23mBritish Airways
Deal found 11/12C$ 5,089

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 12 December 2025.

Round-trip from

C$ 837

One-way from

C$ 441

Popular in

July

Cheapest in

November

Average price

C$ 1,000
British Airways
  • British Airways
  • 30/1-3/2
  • 2 total stops
  • 28h 35m total
  • Seattle to Glasgow
Search Deals
24/1
  • 24/1
  • 2 total stops
  • 30h 01m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 385 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 12 December 2025.
Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Fly from

Seattle

Fly to

Glasgow Intl

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 30/1

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

1 stop15h 30m

Glasgow Intl

Tue 3/2

6:25 a.m.-11:30 a.m.

1 stop13h 05m

C$ 837

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 8/4

11:47 a.m.-12:55 p.m.

2 stops17h 08m

Glasgow Intl

Sat 25/4

6:00 a.m.-3:50 p.m.

1 stop17h 50m

C$ 1,142

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 26/5

11:20 p.m.-10:10 a.m.

2 stops26h 50m

Glasgow Intl

Fri 5/6

2:00 p.m.-12:45 a.m.

2 stops18h 45m

C$ 1,469

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 24/1

7:54 p.m.-9:55 a.m.

2 stops30h 01m

C$ 441

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 24/1

2:35 p.m.-9:55 a.m.

1 stop11h 20m

C$ 528

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 16/5

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

2 stops27h 10m

C$ 793

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 14/4

8:20 p.m.-4:45 p.m.

1 stop12h 25m

C$ 1,376

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 10/4

1:35 p.m.-7:40 p.m.

2 stops22h 05m

C$ 1,611

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 27/5

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

3 stops33h 10m

C$ 8,469

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 5 December 2025.

Booking 36 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 720). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 1,132). 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 Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Glasgow Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at noon.

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 fly from Seattle to Glasgow Intl Airport in about 15h 30m. The time it takes to get you to your destination can typically vary by up to . The distance between Seattle and Glasgow Intl Airport is about 7154 km.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 720). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of C$ 1,132). 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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