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$367+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Glasgow are usually found in November or February, booked 73 days in advance, depart on a Monday or Sunday and return on a Monday

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 January 30, 2025.

Round-trip from

$640
(Kiwi.com)

One-way from

$367
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$800
From Seattle/Tacoma Intl to Glasgow
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One-way flight from Seattle/Tacoma Intl to Glasgow
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Highest demand for flights based on searches. 22% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find 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 January 30, 2025.

This oojo deal was found by Cheapflights users on 1/30. 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.
Sun 2/92:35 pmSEA - GLA
1 stop11h 20mIcelandair
Wed 2/1912:35 pmGLA - SEA
1 stop12h 25mIcelandair
Deal found 1/30$703
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 3/169:00 pmSEA - GLA
1 stop15h 40mMultiple Airlines
Sun 3/237:45 amGLA - SEA
1 stop18h 30mMultiple Airlines
Deal found 1/30$727
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:50 pmSEA - GLA
1 stop13h 45mAmerican Airlines
Mon 3/243:25 pmGLA - SEA
1 stop27h 55mAmerican Airlines
Deal found 1/30$755
This oojo deal was found by Cheapflights users on 1/30. 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 4/212:55 pmSEA - GLA
2 stops17h 30mBritish Airways
Tue 4/299:20 pmGLA - SEA
1 stop22h 15mBritish Airways
Deal found 1/30$762
This Lufthansa deal was found by Cheapflights users on 1/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/192:20 pmSEA - GLA
1 stop14h 00mLufthansa
Tue 9/306:10 amGLA - SEA
2 stops16h 06mLufthansa
Deal found 1/29$823
This Delta deal was found by Cheapflights users on 1/29. 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.
Sun 9/1411:15 amSEA - GLA
2 stops20h 55mDelta
Wed 9/241:30 pmGLA - SEA
1 stop34h 40mDelta
Deal found 1/29$894
This KLM deal was found by Cheapflights users on 1/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/312:14 pmSEA - GLA
1 stop18h 21mKLM
Fri 2/76:05 amGLA - SEA
1 stop13h 41mKLM
Deal found 1/30$896
This Expedia deal was found by Cheapflights users on 1/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/12:19 pmSEA - GLA
2 stops40h 16mIberia
Sat 2/84:00 pmGLA - SEA
2 stops37h 21mIberia
Deal found 1/30$924
This oojo deal was found by Cheapflights users on 1/30. 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.
Fri 5/236:45 pmSEA - GLA
1 stop14h 05mAer Lingus
Sat 6/710:10 amGLA - SEA
1 stop14h 49mAer Lingus
Deal found 1/30$1,225
This Mytrip deal was found by Cheapflights users on 1/30. 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 2/156:05 amSEA - PIK
3 stops28h 50mMultiple Airlines
Wed 2/196:50 pmPIK - SEA
2 stops25h 20mMultiple Airlines
Deal found 1/30$1,494

Find flights from Seattle to Glasgow within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 2/9

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 2/19

12:35 pm-5:00 pm

1 stop12h 25m

$703

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 3/16

9:00 pm-7:40 pm

1 stop15h 40m

Glasgow Intl

Sun 3/23

7:45 am-7:15 pm

1 stop18h 30m

$727

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/17

7:50 pm-4:35 pm

1 stop13h 45m

Glasgow Intl

Mon 3/24

3:25 pm-12:20 pm

1 stop27h 55m

$755

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 4/21

2:55 pm-4:25 pm

2 stops17h 30m

Glasgow Intl

Tue 4/29

9:20 pm-11:35 am

1 stop22h 15m

$762

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 3/16

4:10 pm-10:55 pm

2 stops23h 45m

Glasgow Intl

Sun 3/23

12:35 pm-1:10 pm

1 stop31h 35m

$844

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 5/23

6:45 pm-4:50 pm

1 stop14h 05m

Glasgow Intl

Sat 6/7

10:10 am-4:59 pm

1 stop14h 49m

$1,225

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 7/9

2:05 pm-1:00 pm

1 stop14h 55m

Glasgow Intl

Mon 7/28

1:30 pm-3:55 pm

1 stop34h 25m

$1,333

SeattleGlasgow

SEA - PIK

SEAPIK

Seattle/Tacoma Intl

Sat 2/15

6:05 am-6:55 pm

3 stops28h 50m

Glasgow Prestwick

Wed 2/19

6:50 pm-12:10 pm

2 stops25h 20m

$1,494

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 7/13

1:30 pm-1:00 pm

2 stops15h 30m

Glasgow Intl

Sun 7/27

1:25 pm-10:23 pm

2 stops16h 58m

$2,091

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 3/16

11:30 am-10:15 pm

3 stops51h 45m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 14 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.

Travel insights for flights from Seattle to Glasgow

Get recent, data-driven insights about flights from Seattle to Glasgow including ideal travel times, pricing trends, and more.

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 January 24, 2025.

Booking 73 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, November is the cheapest month in which you can book a flight from Seattle to Glasgow (average of $664). Flying from Seattle to Glasgow in June is currently the most expensive (average of $1,183). 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 January 30, 2025.

It’s typically best to fly out from Seattle to Glasgow 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.

What is the cheapest day to fly from Seattle to Glasgow?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Glasgow. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Glasgow flight should consider departing on Monday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Glasgow by month

Plan your trip to Glasgow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Glasgow ranges from 1.3 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. May is typically the driest time to visit Glasgow when rainfall is around 1.3 in.

Temperature in Glasgow by month

Plan your trip to Glasgow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Glasgow, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 January 30, 2025.
Read reviews from past customers who have flown Delta, KLM and American Airlines from Seattle to Glasgow. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,077 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Icelandair
7.1
Good
498 reviews
Delta
8.0
Very good
8,450 reviews

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding 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 12 different airlines.

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

    Aer Lingus, at $640, was found to be the cheapest airline from Seattle to Glasgow.Alternate airlines to your destination round-trip include Icelandair and British Airways. Users have found that Aer Lingus is 27% 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 $451 on British Airways. Other airlines that offer cheap prices include Icelandair from $1,161 and Aer Lingus from $1,407 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 $51 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, November is the cheapest month in which you can book a flight from Seattle to Glasgow (average of $664). Flying from Seattle to Glasgow in June is currently the most expensive (average of $1,183). 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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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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$573Average$844FlexibilityNo cancel feeOn-time76%
KLMCheapest$604Average$1,073FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$607Average$930FlexibilityNo cancel feeOn-time71%
DeltaCheapest$608Average$1,012FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$615Average$1,177FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$641Average$1,038FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$652Average$1,037FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$660Average$1,040FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$660Average$1,000FlexibilityNo cancel feeOn-time70%
WestJetCheapest$673Average$1,184FlexibilityNo cancel feeOn-time60%
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