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Cheap flights from Seattle to Glasgow Intl Airport from C$ 604

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GLA
31 Mar — 7 Apr1
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 26 March 2025.

Round-trip from

C$ 1,066

One-way from

C$ 604

Popular in

June

Cheapest in

November

Average price

C$ 1,050
KLM
  • KLM
  • 9/5-19/5
  • 2 total stops
  • 41h 35m total
  • Seattle to Glasgow
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31/5
  • 31/5
  • 3 total stops
  • 41h 00m total
  • Seattle to Glasgow
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Highest demand for flights based on searches. 23% potential increase in price (C$ 575 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 124 potential savings vs. average RT price).
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Average for round-trip flights in March 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 26 March 2025.

Fri 9/51:55 p.m.SEA - GLA
1 stop14h 50mKLM
Mon 19/54:55 p.m.GLA - SEA
1 stop26h 45mKLM
Deal found 25/3C$ 1,066
Mon 19/57:16 a.m.SEA - GLA
2 stops21h 44mDelta
Mon 26/56:00 a.m.GLA - SEA
1 stop13h 40mDelta
Deal found 24/3C$ 1,111
Thu 25/98:00 a.m.SEA - GLA
2 stops20h 25mLufthansa
Sat 11/106:10 a.m.GLA - SEA
2 stops25h 58mLufthansa
Deal found 25/3C$ 1,297
Sat 11/101:21 a.m.SEA - GLA
2 stops27h 54mMultiple Airlines
Sun 19/1010:05 a.m.GLA - SEA
2 stops19h 25mMultiple Airlines
Deal found 25/3C$ 1,517
Thu 26/65:35 p.m.SEA - GLA
1 stop14h 35mAir France
Mon 7/79:10 a.m.GLA - SEA
2 stops42h 29mAir France
Deal found 25/3C$ 1,796
Mon 6/102:00 p.m.SEA - GLA
2 stops18h 25mBritish Airways
Tue 21/105:50 a.m.GLA - SEA
1 stop13h 20mBritish Airways
Deal found 25/3C$ 2,539
Sun 5/107:15 a.m.SEA - GLA
2 stops22h 00mFinnair
Mon 20/1010:35 a.m.GLA - SEA
2 stops40h 19mFinnair
Deal found 25/3C$ 2,675

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 26 March 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

Fri 9/5

1:55 p.m.-12:45 p.m.

1 stop14h 50m

Glasgow Intl

Mon 19/5

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

1 stop26h 45m

C$ 1,066

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 19/5

7:16 a.m.-1:00 p.m.

2 stops21h 44m

Glasgow Intl

Mon 26/5

6:00 a.m.-11:40 a.m.

1 stop13h 40m

C$ 1,111

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 23/4

2:18 p.m.-11:05 p.m.

2 stops24h 47m

Glasgow Intl

Sun 27/4

5:55 a.m.-4:59 p.m.

2 stops19h 04m

C$ 1,392

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 5/4

7:00 a.m.-12:20 p.m.

2 stops21h 20m

Glasgow Intl

Thu 10/4

6:10 a.m.-9:02 p.m.

3 stops22h 52m

C$ 1,586

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 26/6

5:35 p.m.-4:10 p.m.

1 stop14h 35m

Glasgow Intl

Mon 7/7

9:10 a.m.-7:39 p.m.

2 stops42h 29m

C$ 1,796

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 31/5

7:05 a.m.-8:05 a.m.

3 stops41h 00m

C$ 604

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 31/5

7:00 p.m.-1:25 p.m.

1 stop10h 25m

C$ 801

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 9/5

6:07 p.m.-4:10 p.m.

1 stop14h 03m

C$ 983

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 16/5

6:50 p.m.-11:05 p.m.

2 stops20h 15m

C$ 5,618

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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 21 March 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 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 26 March 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.

Rainfall in Glasgow Intl by month

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

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

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

If weather is an important factor for your trip to Glasgow Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 26 March 2025.
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7,891 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,318 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7.0
Good
474 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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.
Lufthansa
6.7
Okay
6,952 reviews
Delta
8.0
Very good
7,891 reviews
Check prices

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

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 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. 1 airline has 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 KLM is currently your cheapest option to Glasgow Intl Airport, with prices starting at C$ 1,066. Additional round-trip tickets that might be worth considering are offered by Delta and Lufthansa, with the lowest prices starting at C$ 1,111 and C$ 1,392, respectively. KLM is currently priced 16% 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 Icelandair, with whom users have recently found tickets for as low as C$ 801. However, be on the lookout for offers from Delta and Lufthansa, 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.

See more FAQs

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Top airline flying from Seattle to Glasgow Intl

Discover the top airline 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 629,999 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 971AverageC$ 1,251FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Glasgow Intl?

Deals for Seattle to Glasgow Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Glasgow Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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