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Glasgow Intl

$293+ Cheap flights from Seattle (SEA) to Glasgow Intl (GLA)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Glasgow Intl are usually found in November or March, booked 36 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap 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 September 15, 2025.

Round-trip from

$477
(Mytrip)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$766
From Seattle/Tacoma Intl to Glasgow Intl
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One-way flight from Seattle/Tacoma Intl to Glasgow Intl
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Highest demand for flights based on searches. 15% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Glasgow Intl

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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:35 pmSEA - GLA
2 stops19h 50mMultiple Airlines
Mon 11/38:20 amGLA - SEA
2 stops16h 40mMultiple Airlines
Deal found 9/12$481
This CrystalTravel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:45 pmSEA - GLA
1 stop13h 40mIcelandair
Tue 10/212:20 pmGLA - SEA
1 stop11h 30mIcelandair
Deal found 9/14$496
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:45 pmSEA - GLA
2 stops16h 25mMultiple Airlines
Sat 10/1811:50 pmGLA - SEA
2 stops28h 50mMultiple Airlines
Deal found 9/12$499
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:00 pmSEA - GLA
1 stop10h 25mIcelandair
Sat 10/252:20 pmGLA - SEA
1 stop14h 20mIcelandair
Deal found 9/13$511
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:45 pmSEA - GLA
1 stop13h 40mIcelandair
Wed 10/222:20 pmGLA - SEA
1 stop14h 20mIcelandair
Deal found 9/12$513
This CrystalTravel deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:35 pmSEA - GLA
1 stop11h 20mIcelandair
Fri 12/512:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 9/14$515
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:35 pmSEA - GLA
1 stop11h 20mIcelandair
Wed 11/512:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 9/12$528
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:35 pmSEA - GLA
1 stop11h 20mIcelandair
Mon 11/1712:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 9/14$594
This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 pmSEA - GLA
1 stop10h 25mIcelandair
Tue 10/2812:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 9/11$611
This Cheapflightsfares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:20 pmSEA - GLA
1 stop12h 25mBritish Airways
Wed 10/227:00 amGLA - SEA
1 stop12h 35mBritish Airways
Deal found 9/12$630
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:20 pmSEA - GLA
1 stop15h 25mBritish Airways
Mon 10/207:30 pmGLA - SEA
1 stop23h 40mBritish Airways
Deal found 9/14$631

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 2,558,603 searches. Data last updated September 15, 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

Tue 10/7

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Wed 10/22

2:20 pm-5:50 pm

1 stop11h 30m

$513

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 10/11

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Sat 10/18

2:20 pm-5:50 pm

1 stop11h 30m

$513

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/29

3:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 11/5

12:35 pm-5:00 pm

1 stop12h 25m

$528

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 11/12

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 11/17

12:35 pm-5:00 pm

1 stop12h 25m

$594

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 10/20

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Tue 10/28

12:35 pm-6:00 pm

1 stop12h 25m

$611

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 10/20

8:20 pm-4:45 pm

1 stop12h 25m

Glasgow Intl

Mon 11/3

8:25 pm-11:30 am

1 stop23h 05m

$637

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 12/3

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 12/17

12:35 pm-5:00 pm

1 stop12h 25m

$644

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 10/7

10:00 am-12:20 pm

2 stops18h 20m

Glasgow Intl

Wed 10/22

6:10 am-11:55 am

1 stop13h 45m

$658

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/15

1:30 pm-11:25 am

1 stop13h 55m

Glasgow Intl

Mon 10/20

8:50 pm-8:46 pm

2 stops31h 56m

$658

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 12/8

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 12/15

12:35 pm-5:00 pm

1 stop12h 25m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 21 results
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2
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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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Glasgow Intl Airport, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of $664). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). 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 September 15, 2025.

It’s typically best to fly out from Seattle to Glasgow Intl Airport in the evening. Doing so could potentially save you 10% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with American Airlines, Aer Lingus, and Icelandair from Seattle to Glasgow Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Aer Lingus
7.2
Good
1,271 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Icelandair
7.0
Good
546 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Lufthansa
6.8
Okay
7,409 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,361 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Glasgow Intl. You should not have trouble finding flights to Glasgow Intl from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Glasgow Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Seattle airport to Glasgow Intl. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Glasgow Intl Airport?

    For as low as $513, Icelandair can have you in Glasgow Intl Airport from Seattle in 10h 25m. The distance between Seattle and Glasgow Intl Airport is about 4445 mi.

  • What are the cheapest airlines flying from Seattle to Glasgow Intl Airport round-trip?

    Cheapflights users have booked flights from Seattle to Glasgow Intl Airport round-trip from $561. Other airlines that can offer you cheap pricing are Aer Lingus, from $666, and American Airlines, from $689. Icelandair is currently priced 32% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from Seattle to Glasgow Intl Airport?

    Most of the time, Seattle to Glasgow Intl Airport flights that have layovers will stop in Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Most Reykjavik visitors opt to spend their time experiencing Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool. Travelers on a layover in Reykjavik can visit Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool, by traveling 23.3 mi, 23.2 mi, and 24.6 mi, respectively after landing at Reykjavik Keflavik Intl. Travelers in need of a car in Reykjavik can rent one for about $58 per day.

  • Where are the least popular layover locations for Seattle to Glasgow Intl Airport flights?

    Seattle to Glasgow Intl Airport flights have a layover in London the least frequently.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of $664). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of $1,150). 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

Traveling 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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Alternative routes for Seattle to Glasgow Intl

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

Top 6 airlines flying from Seattle to Glasgow Intl

Discover the top 6 airlines that operate flights from Seattle to Glasgow Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$561Average$765FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$666Average$936FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$689Average$794FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$701Average$837FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$708Average$889FlexibilityNo cancel feeOn-time70%
DeltaCheapest$710Average$917FlexibilityNo cancel feeOn-timeN/A

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