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Cheap flights from Seattle to Glasgow from $256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Glasgow departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Glasgow (SEA-GLA)

Cheap round-trip flights

Aer Lingus Logo
7:35 pm - 4:50 pmSEA-GLA
13h 15m1 stop
Aer Lingus Logo
8:35 am - 5:50 pmGLA-SEA
17h 15m1 stop
$619Aer Lingus
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Tue, Oct 7 - Wed, Oct 22
Logo
7:35 pm - 10:20 pmSEA-GLA
18h 45m1 stop
Logo
8:10 am - 5:50 pmGLA-SEA
17h 40m1 stop
$625
Find Deal
Thu, Oct 9 - Thu, Oct 16
Icelandair Logo
3:45 pm - 1:25 pmSEA-GLA
13h 40m1 stop
Icelandair Logo
2:20 pm - 5:50 pmGLA-SEA
11h 30m1 stop
$629Icelandair
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Sun, Oct 5 - Tue, Oct 21
Icelandair Logo
7:00 pm - 1:25 pmSEA-GLA
10h 25m1 stop
Icelandair Logo
2:20 pm - 5:50 pmGLA-SEA
11h 30m1 stop
$630Icelandair
Find Deal
Fri, Oct 3 - Mon, Oct 13
British Airways Logo
1:30 pm - 10:20 amSEA-GLA
12h 50m1 stop
British Airways Logo
7:30 pm - 11:10 amGLA-SEA
23h 40m1 stop
$703British Airways
Find Deal
Wed, Oct 15 - Mon, Oct 20
British Airways Logo
1:30 pm - 11:25 amSEA-GLA
13h 55m1 stop
British Airways Logo
7:30 pm - 11:10 amGLA-SEA
23h 40m1 stop
$704British Airways
Find Deal
Wed, Oct 15 - Mon, Oct 20
Delta Logo
5:40 pm - 8:10 amSEA-GLA
30h 30m1 stop
Delta Logo
1:30 pm - 4:05 pmGLA-SEA
34h 35m1 stop
$730Delta
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Mon, Sep 8 - Wed, Oct 1
Lufthansa Logo
10:00 am - 12:20 pmSEA-GLA
18h 20m2 stops
Lufthansa Logo
6:10 am - 6:36 pmGLA-SEA
20h 26m2 stops
$739Lufthansa
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Tue, Oct 7 - Wed, Oct 22
Delta Logo
12:45 pm - 4:10 pmSEA-GLA
19h 25m2 stops
Delta Logo
6:00 am - 4:54 pmGLA-SEA
18h 54m2 stops
$746Delta
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Tue, Oct 7 - Wed, Oct 22
Lufthansa Logo
2:20 pm - 12:25 pmSEA-GLA
14h 05m1 stop
Lufthansa Logo
6:10 am - 2:16 pmGLA-SEA
16h 06m2 stops
$754Lufthansa
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Wed, Oct 15 - Fri, Oct 24

KLM flights from Seattle to Glasgow Intl Airport

Our best KLM deals on Seattle to Glasgow Intl Airport flight tickets
KLM
Sep 21
SEA5:40 pmSeattle/Tacoma Intl
30h 30m
1 stop
GLA8:10 amGlasgow Intl
Oct 4
GLA4:55 pmGlasgow Intl
26h 55m
1 stop
SEA11:50 amSeattle/Tacoma Intl
$780
Find similar
KLM
Sep 1
SEA5:40 pmSeattle/Tacoma Intl
30h 30m
1 stop
GLA8:10 amGlasgow Intl
Sep 8
GLA1:30 pmGlasgow Intl
34h 35m
1 stop
SEA4:05 pmSeattle/Tacoma Intl
$871
Find similar
KLM
Aug 29
SEA5:40 pmSeattle/Tacoma Intl
14h 30m
1 stop
GLA4:10 pmGlasgow Intl
Sep 12
GLA6:00 amGlasgow Intl
13h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$1,138
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Aer Lingus flights from Seattle to Glasgow Intl Airport

Our best Aer Lingus deals on Seattle to Glasgow Intl Airport flight tickets
Aer Lingus
Oct 7
SEA7:35 pmSeattle/Tacoma Intl
13h 15m
1 stop
GLA4:50 pmGlasgow Intl
Oct 22
GLA8:35 amGlasgow Intl
17h 15m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
$619
Find similar
Aer Lingus
Oct 9
SEA7:35 pmSeattle/Tacoma Intl
13h 15m
1 stop
GLA4:50 pmGlasgow Intl
Oct 16
GLA8:35 amGlasgow Intl
17h 15m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
$666
Find similar
Aer Lingus
Sep 18
SEA7:35 pmSeattle/Tacoma Intl
11h 50m
1 stop
GLA3:25 pmGlasgow Intl
Sep 25
GLA12:00 pmGlasgow Intl
13h 50m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
$688
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Glasgow Intl Airport 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, momondo users made 832,500 searches. Data last updated August 26, 2025.
Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 10/7

7:35 pm-4:50 pm

1 stop13h 15m

Glasgow Intl

Wed 10/22

8:35 am-5:50 pm

1 stop17h 15m

$619

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 10/9

7:35 pm-10:20 pm

1 stop18h 45m

Glasgow Intl

Thu 10/16

8:10 am-5:50 pm

1 stop17h 40m

$625

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 10/5

3:45 pm-1:25 pm

1 stop13h 40m

Glasgow Intl

Tue 10/21

2:20 pm-5:50 pm

1 stop11h 30m

$629

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 10/3

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Mon 10/13

2:20 pm-5:50 pm

1 stop11h 30m

$630

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/15

1:30 pm-10:20 am

1 stop12h 50m

Glasgow Intl

Mon 10/20

7:30 pm-11:10 am

1 stop23h 40m

$703

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/15

1:30 pm-11:25 am

1 stop13h 55m

Glasgow Intl

Mon 10/20

7:30 pm-11:10 am

1 stop23h 40m

$704

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 9/8

5:40 pm-8:10 am

1 stop30h 30m

Glasgow Intl

Wed 10/1

1:30 pm-4:05 pm

1 stop34h 35m

$730

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 10/7

10:00 am-12:20 pm

2 stops18h 20m

Glasgow Intl

Wed 10/22

6:10 am-6:36 pm

2 stops20h 26m

$739

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 10/7

12:45 pm-4:10 pm

2 stops19h 25m

Glasgow Intl

Wed 10/22

6:00 am-4:54 pm

2 stops18h 54m

$746

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/15

2:20 pm-12:25 pm

1 stop14h 05m

Glasgow Intl

Fri 10/24

6:10 am-2:16 pm

2 stops16h 06m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Glasgow from

How to get the cheapest flight ticket from Seattle to Glasgow Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Glasgow Intl Airport?

The cheapest month to fly to Glasgow Intl Airport from Seattle is in November. Flight prices, which tend to average around $692, are often lower during this time because this is during the off-season. If you’re not able to fly to Glasgow Intl Airport in November, then February is your next best option. Flight prices from Seattle to Glasgow Intl Airport during February average around $717.

What is the cheapest day to depart on your flight to Glasgow Intl Airport?

Our data shows that Monday is the least expensive day to fly to Glasgow Intl Airport. Tickets to fly out on this day can be as low as $786. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Glasgow Intl Airport for around $959.

What is the cheapest time of day to depart on your flight to Glasgow Intl Airport?

Our most recent data shows that the best time of day to fly to Glasgow Intl Airport is in the evening. Flights from Seattle to Glasgow Intl Airport during this time can be as low as $806. Try not to purchase tickets in the afternoon because they tend to be around $894. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Glasgow Intl Airport?

You are more likely to see cheaper flights to Glasgow Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow Intl Airport for around $841 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow Intl Airport from Seattle for as low as $684 on momondo.

How have Seattle to Glasgow Intl Airport flight prices changed over time?

As of August 2025, prices for Seattle to Glasgow Intl Airport flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Glasgow Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Glasgow Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Glasgow Intl Airport (SEA to GLA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Glasgow Intl Airport

Direct flights

None
There are no direct flights from Seattle to Glasgow Intl Airport. There are no popular flight routes from Seattle to Glasgow Intl Airport.
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  • How far is Seattle/Tacoma Intl to Glasgow Intl by plane?

    There are 4436.4 mi between Seattle/Tacoma Intl and Glasgow Intl. In terms of flight time, this usually takes a little over 10h 25m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Glasgow Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Glasgow Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Glasgow Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Glasgow Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Glasgow Intl Airport.

  • What documentation or ID do you need to fly to Glasgow Intl Airport?

    The necessary travel and health documents for your Glasgow Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Glasgow Intl Airport?

Best airlines flying from Seattle to Glasgow Intl Airport

Compare and see reviews for airlines that fly from Seattle to Glasgow Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $567Free CancellationRating
7.0
533 reviews
Search Icelandair flights
LufthansaPriceFrom $671Free CancellationRating
6.8
7,359 reviews
Search Lufthansa flights
Aer LingusPriceFrom $689Free CancellationRating
7.2
1,237 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $689Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $707Free CancellationRating
6.7
7,309 reviews
Search British Airways flights
DeltaPriceFrom $710Free CancellationRating
7.9
7,979 reviews
Search Delta flights

Traveling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Paisley
Glencoe
Dumbarton
Kinlochleven
Alexandria
Kilmarnock
Arrochar
Dunoon
Ballachulish
East Kilbride
Renfrew
Tarbert

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Glasgow?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Glasgow from Seattle.

Can I find flights from Seattle to Glasgow with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Glasgow flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Glasgow?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Glasgow from Seattle.

I’m not ready to book a flight from Seattle to Glasgow right now. Can momondo alert me if prices change?

Price alerts on flights to Glasgow from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Glasgow Intl Airport trip

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