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$319+ Cheap flights from Seattle (SEA) to Glasgow

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap flight deals from Seattle to Glasgow

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 April 25, 2026.

This Mytrip deal was found by Cheapflights users on 4/21. 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.
Tue 5/53:40 pm
SEA
-
GLA
3 stops22h 30m
Multiple Airlines
Tue 5/268:20 am
GLA
-
SEA
3 stops33h 20m
Multiple Airlines
Deal found 4/21$738
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 pm
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Wed 5/207:45 am
GLA
-
SEA
2 stops19h 00m
Multiple Airlines
Deal found 4/24$748
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 pm
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Thu 5/219:40 pm
GLA
-
SEA
2 stops29h 05m
Multiple Airlines
Deal found 4/24$772
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:00 pm
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Fri 5/227:25 am
GLA
-
SEA
2 stops19h 20m
Multiple Airlines
Deal found 4/24$776
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 pm
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Tue 5/128:20 am
GLA
-
SEA
2 stops33h 20m
Multiple Airlines
Deal found 4/24$781
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:00 pm
SEA
-
GLA
1 stop10h 25m
Multiple Airlines
Wed 5/277:45 am
GLA
-
SEA
2 stops33h 55m
Multiple Airlines
Deal found 4/21$783
This Mytrip deal was found by Cheapflights users on 4/22. 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 5/2011:25 pm
SEA
-
GLA
1 stop30h 00m
Multiple Airlines
Wed 5/279:25 pm
GLA
-
SEA
3 stops31h 43m
Multiple Airlines
Deal found 4/22$817
This oojo deal was found by Cheapflights users on 4/21. 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.
Mon 10/53:40 pm
SEA
-
GLA
1 stop13h 45m
Icelandair
Thu 10/152:20 pm
GLA
-
SEA
1 stop11h 35m
Icelandair
Deal found 4/21$821
This Mytrip deal was found by Cheapflights users on 4/23. 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 5/2110:45 am
SEA
-
PIK
3 stops28h 50m
Multiple Airlines
Thu 5/286:40 am
PIK
-
SEA
3 stops41h 20m
Multiple Airlines
Deal found 4/23$1,603

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 April 25, 2026.

Round-trip from

$738
(Mytrip)

One-way from

$319

Popular in

July

Cheapest in

November

Average price

$783
From Seattle/Tacoma Intl to Glasgow
Search Deals
One-way flight from Seattle/Tacoma Intl to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 2,558,603 searches. Data last updated April 25, 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
Quickest round-trip

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 9/27

8:20 pm-6:45 pm

1 stop14h 25m

Glasgow Intl

Thu 10/1

7:00 am-11:35 am

1 stop12h 35m

$892

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 10/5

7:20 am-12:55 pm

2 stops21h 35m

Glasgow Intl

Thu 10/15

6:00 am-11:52 am

1 stop13h 52m

$905

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 9/27

11:50 pm-10:10 am

2 stops26h 20m

Glasgow Intl

Thu 10/1

2:00 pm-9:55 pm

1 stop15h 55m

$906

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 9/15

7:00 am-10:10 am

2 stops19h 10m

Glasgow Intl

Wed 9/30

2:00 pm-2:24 pm

3 stops32h 24m

$906

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 5/20

11:25 pm-1:25 pm

1 stop30h 00m

Glasgow Intl

Thu 5/28

2:20 pm-11:45 am

1 stop29h 25m

$918

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 9/24

8:10 am-10:10 am

2 stops18h 00m

Glasgow Intl

Wed 9/30

2:00 pm-10:01 am

2 stops28h 01m

$956

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 9/24

11:50 am-4:10 pm

2 stops20h 20m

Glasgow Intl

Wed 9/30

6:00 am-4:55 pm

2 stops18h 55m

$966

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 5/13

5:40 pm-12:55 pm

1 stop35h 15m

Glasgow Intl

Fri 5/22

6:00 am-11:42 am

1 stop13h 42m

$1,050

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 7/12

5:00 am-10:10 am

2 stops21h 10m

Glasgow Intl

Tue 7/21

2:00 pm-11:44 pm

1 stop17h 44m

$1,088

SeattleGlasgow

SEA - PIK

SEAPIK

Seattle/Tacoma Intl

Thu 5/21

10:45 am-11:35 pm

3 stops28h 50m

Glasgow Prestwick

Thu 5/28

6:40 am-4:00 pm

3 stops41h 20m

$1,603

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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?

Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Glasgow. 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?

Currently, April is the cheapest month in which you can book a flight from Seattle to Glasgow (average of $363). Flying from Seattle to Glasgow in July is currently the most expensive (average of $692). 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.

How much does it cost to fly round-trip from Seattle to Glasgow?

Reviews of airlines servicing Glasgow

Get insights into the airlines that provide service to Glasgow. 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. Reviews last updated April 25, 2026.
See what other customers who have flown with Aer Lingus,American Airlines, andIcelandair from Seattle to Glasgow have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Food

6.6

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
Aer Lingus
7.3
Good
1,528 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Food

6.6

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
American Airlines
7.1
Good
11,673 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Food

6.6

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
Icelandair
7.0
Good
641 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Food

6.6

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.
British Airways
6.7
Okay
7,914 reviews
Aer Lingus
7.3
Good
1,528 reviews

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Food

6.6

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

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?

    If you book a flight to Glasgow from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Glasgow per day from 11 different airlines.

  • How long is the flight from Seattle to Glasgow?

    British Airways, Delta, and United Airlines can get you from Seattle to Glasgow in just under 14h 25m. Your travel time can differ by up to 11h 55m. Seattle and Glasgow are separated by a distance of 4445 mi. This flight may include one or multiple stops.

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

    Icelandair, at $522, was found to be the cheapest airline from Seattle to Glasgow.Alternate airlines to your destination round-trip include British Airways and Aer Lingus. Users have found that Icelandair is 34% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Glasgow one-way?

    One-way options have recently been found by users for as low as $274 on Icelandair. Other airlines that offer cheap prices include British Airways from $298 and Aer Lingus from $354 one-way.

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

    Most of the time, Seattle to Glasgow 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 Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool. Travelers on a layover in Reykjavik can visit Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool, by traveling 23.2 mi, 23.3 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 flights?

    The least popular layover on flights from Seattle to Glasgow is London.

  • 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, April is the cheapest month in which you can book a flight from Seattle to Glasgow (average of $363). Flying from Seattle to Glasgow in July is currently the most expensive (average of $692). 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

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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 Edinburgh flights
Seattle to Glasgow Intl flights
Portland to Edinburgh flights
Spokane to Edinburgh flights
Seattle to Aberdeen flights

Top 10 airlines flying from Seattle to Glasgow

Discover the top 10 airlines that operate flights from Seattle to Glasgow. 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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$213Average$895FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$485Average$764FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$580Average$670FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$608Average$842FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$608Average$850FlexibilityNo cancel feeOn-time72%
DeltaCheapest$635Average$1,121FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$652Average$836FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$667Average$1,019FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$668Average$904FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$669Average$927FlexibilityNo cancel feeOn-time76%

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