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Glasgow Intl

$354+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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

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 October 14, 2025.

This CrystalTravel deal was found by Cheapflights users on 10/13. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:35 pmSEA - GLA
1 stop11h 20mIcelandair
Tue 11/1112:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 10/13$474
This CrystalTravel deal was found by Cheapflights users on 10/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:35 pmSEA - GLA
1 stop11h 20mIcelandair
Wed 11/1912:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 10/12$495
This FlightHub deal was found by Cheapflights users on 10/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:35 pmSEA - GLA
1 stop11h 20mIcelandair
Tue 11/1812:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 10/12$518
This Mytrip deal was found by Cheapflights users on 10/13. 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 11/272:35 pmSEA - GLA
2 stops24h 00mMultiple Airlines
Thu 12/47:15 amGLA - SEA
2 stops17h 45mMultiple Airlines
Deal found 10/13$539
This Icelandair deal was found by Cheapflights users on 10/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:35 pmSEA - GLA
1 stop11h 20mIcelandair
Wed 11/1912:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 10/12$541
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Wed 11/268:05 pmSEA - GLA
1 stop16h 55mMultiple Airlines
Wed 12/37:45 amGLA - SEA
1 stop18h 35mMultiple Airlines
Deal found 10/12$550
This Flightnetwork deal was found by Cheapflights users on 10/13. 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 Flightnetwork 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
Wed 11/1912:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 10/13$582
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Fri 12/510:05 amSEA - GLA
3 stops25h 55mMultiple Airlines
Thu 12/119:25 pmGLA - SEA
3 stops29h 51mMultiple Airlines
Deal found 10/12$600
This Air France deal was found by Cheapflights users on 10/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:10 pmSEA - GLA
1 stop34h 00mKLM
Mon 10/204:55 pmGLA - SEA
1 stop31h 10mKLM
Deal found 10/12$604
This Delta deal was found by Cheapflights users on 10/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:10 amSEA - GLA
2 stops25h 25mDelta
Mon 11/171:25 pmGLA - SEA
1 stop30h 20mDelta
Deal found 10/12$609

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$474
(CrystalTravel)

One-way from

$354
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$721
Provider with most accurate pricing for Seattle/Tacoma Intl-Glasgow Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Glasgow Intl flights.
Search Deals
From Seattle/Tacoma Intl to Glasgow Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Glasgow Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 2,558,603 searches. Data last updated October 14, 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

Sun 3/1

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Thu 3/5

12:35 pm-5:00 pm

1 stop12h 25m

$515

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 11/10

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 11/19

12:35 pm-5:00 pm

1 stop12h 25m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 11/9

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Tue 11/18

12:35 pm-5:00 pm

1 stop12h 25m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 11/3

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 11/19

12:35 pm-5:00 pm

1 stop12h 25m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 11/12

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Thu 11/20

12:35 pm-5:00 pm

1 stop12h 25m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 11/9

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 11/19

12:35 pm-5:00 pm

1 stop12h 25m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 11/6

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Fri 11/21

11:05 am-5:00 pm

1 stop13h 55m

$541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 4/5

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Sun 4/12

2:20 pm-5:50 pm

1 stop11h 30m

$598

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 11/4

3:00 pm-8:30 am

1 stop33h 30m

Glasgow Intl

Mon 11/17

9:05 am-11:45 am

1 stop34h 40m

$604

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 11/3

3:00 pm-4:35 pm

1 stop17h 35m

Glasgow Intl

Mon 11/17

9:05 am-11:45 am

1 stop34h 40m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 18 results
1
2

Compare providers for flights from Seattle to Glasgow Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Glasgow Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GotogatePrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Glasgow Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Glasgow Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Glasgow Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Glasgow Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Glasgow Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 10, 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of $538). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of $821). 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 October 14, 2025.

It’s typically best to fly out from Seattle to Glasgow Intl Airport in the evening. Doing so could potentially save you 9% 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 October 14, 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
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
11,044 reviews
American Airlines
7.2
Good
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
1,337 reviews
American Airlines
7.2
Good
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
556 reviews
American Airlines
7.2
Good
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
7,489 reviews
American Airlines
7.2
Good
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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
7,457 reviews
American Airlines
7.2
Good
11,044 reviews

Food

6.4

Crew

8.0

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Overall

7.2

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 5 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 $515, Icelandair can have you in Glasgow Intl Airport from Seattle in 11h 20m. 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 $558. Other airlines that can offer you cheap pricing are American Airlines, from $628, and Aer Lingus, from $666. 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 $48 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of $538). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of $821). 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 5 airlines flying from Seattle to Glasgow Intl

Discover the top 5 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$558Average$756FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$628Average$794FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$666Average$936FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$701Average$837FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$708Average$889FlexibilityNo cancel feeOn-time70%

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