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Cheap flights from Seattle to Glasgow Intl Airport from C$ 676

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
4 Aug — 11 Aug1
1 adult

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 30 July 2025.

Round-trip from

C$ 1,026

One-way from

C$ 676

Popular in

July

Cheapest in

November

Average price

C$ 1,538
Lufthansa
  • Lufthansa
  • 7/10-22/10
  • 4 total stops
  • 34h 26m total
  • Seattle to Glasgow
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KLM
  • KLM
  • 25/11
  • 2 total stops
  • 17h 10m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 352 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).
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Average for round-trip flights in July 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 30 July 2025.

Tue 7/1010:00 a.m.SEA - GLA
2 stops18h 20mLufthansa
Wed 22/106:10 a.m.GLA - SEA
2 stops16h 06mLufthansa
Deal found 30/7C$ 1,026
Sun 17/85:40 p.m.SEA - GLA
1 stop14h 30mDelta
Mon 25/86:00 a.m.GLA - SEA
2 stops18h 38mDelta
Deal found 29/7C$ 1,091
Sun 31/85:40 p.m.SEA - GLA
1 stop21h 30mKLM
Sat 13/94:55 p.m.GLA - SEA
1 stop26h 50mKLM
Deal found 29/7C$ 1,159
Sat 27/121:35 p.m.SEA - GLA
1 stop13h 10mBritish Airways
Sun 4/111:40 a.m.GLA - SEA
1 stop13h 15mBritish Airways
Deal found 29/7C$ 1,644
Sat 27/128:30 a.m.SEA - GLA
2 stops17h 25mMultiple Airlines
Sun 4/112:35 p.m.GLA - SEA
2 stops18h 29mMultiple Airlines
Deal found 29/7C$ 2,228

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 30 July 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 7/10

10:00 a.m.-12:20 p.m.

2 stops18h 20m

Glasgow Intl

Wed 22/10

6:10 a.m.-2:16 p.m.

2 stops16h 06m

C$ 1,026

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 17/8

5:40 p.m.-4:10 p.m.

1 stop14h 30m

Glasgow Intl

Mon 25/8

6:00 a.m.-4:38 p.m.

2 stops18h 38m

C$ 1,091

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 31/8

5:40 p.m.-11:10 p.m.

1 stop21h 30m

Glasgow Intl

Sat 13/9

4:55 p.m.-11:45 a.m.

1 stop26h 50m

C$ 1,159

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 27/12

1:35 p.m.-10:45 a.m.

1 stop13h 10m

Glasgow Intl

Sun 4/1

11:40 a.m.-4:55 p.m.

1 stop13h 15m

C$ 1,644

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 27/12

8:30 a.m.-9:55 a.m.

2 stops17h 25m

Glasgow Intl

Sun 4/1

12:35 p.m.-11:04 p.m.

2 stops18h 29m

C$ 2,228

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/11

7:20 a.m.-8:30 a.m.

2 stops17h 10m

C$ 676

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 12/9

3:45 p.m.-1:25 p.m.

1 stop13h 40m

C$ 703

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 21/11

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

1 stop15h 30m

C$ 843

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 21/11

2:00 p.m.-12:15 p.m.

1 stop14h 15m

C$ 884

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 27/12

5:02 a.m.-12:15 p.m.

3 stops23h 13m

C$ 1,772

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 25 July 2025.

Booking 34 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, February is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 570). Flying from Seattle to Glasgow Intl Airport in December is currently the most expensive (average of C$ 977). 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 30 July 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Glasgow Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

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 30 July 2025.
See what other customers who have flown with Delta,KLM, andIcelandair from Seattle to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
519 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,269 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.6
Okay
7,217 reviews
Delta
8.0
Very good
7,980 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Flying on Lufthansa is currently your cheapest option to Glasgow Intl Airport, with prices starting at C$ 1,026. Additional round-trip tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at C$ 1,091 and C$ 1,159, respectively. Lufthansa is currently priced 10% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as C$ 676. However, be on the lookout for offers from Icelandair and British Airways, as they are both options that can get you from Seattle to Glasgow Intl Airport for a low price.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of C$ 570). Flying from Seattle to Glasgow Intl Airport in December is currently the most expensive (average of C$ 977). 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.

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Glasgow Intl?

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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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