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Cheap flights from Seattle to Glasgow from $213

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 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Glasgow

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:40 pm - 1:25 pm
SEA
-
GLA
13h 45m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$519Icelandair
Mon, Apr 20 - Thu, Apr 30
Icelandair Logo
3:40 pm - 1:25 pm
SEA
-
GLA
13h 45m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$522Icelandair
Mon, Apr 20 - Fri, May 1
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$525Icelandair
Mon, Apr 20 - Mon, Apr 27
Icelandair Logo
3:40 pm - 1:25 pm
SEA
-
GLA
13h 45m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$527Icelandair
Tue, Apr 21 - Fri, May 1
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$536Icelandair
Wed, Apr 22 - Wed, Apr 29
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
2:20 pm - 5:55 pm
GLA
-
SEA
11h 35m
1 stop
$544Icelandair
Wed, Apr 22 - Fri, May 1
Multiple Airlines Logo
2:35 pm - 7:40 pm
SEA
-
GLA
21h 05m
2 stops
Multiple Airlines Logo
8:20 am - 6:00 pm
GLA
-
SEA
16h 40m
2 stops
$553Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m
1 stop
Icelandair Logo
12:35 pm - 6:00 pm
GLA
-
SEA
12h 25m
1 stop
$577Icelandair
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
2:10 pm - 2:55 pm
SEA
-
GLA
16h 45m
2 stops
Multiple Airlines Logo
8:40 pm - 12:20 pm
GLA
-
SEA
23h 40m
2 stops
$582Multiple Airlines
Wed, Apr 1 - Tue, Apr 7
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m
1 stop
Icelandair Logo
12:35 pm - 6:00 pm
GLA
-
SEA
12h 25m
1 stop
$589Icelandair
Mon, Mar 2 - Mon, Mar 9

Lufthansa flights from Seattle to Glasgow Intl Airport

Our best Lufthansa deals on Seattle to Glasgow Intl Airport flight tickets
Lufthansa
Mar 2
SEA2:00 pmSeattle/Tacoma Intl
13h 50m
1 stop
GLA11:50 amGlasgow Intl
Mar 10
GLA6:00 amGlasgow Intl
14h 10m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$614
Lufthansa
Mar 2
SEA2:00 pmSeattle/Tacoma Intl
13h 50m
1 stop
GLA11:50 amGlasgow Intl
Mar 10
GLA6:00 amGlasgow Intl
20h 03m
2 stops
SEA7:03 pmSeattle/Tacoma Intl
$623
Lufthansa
Apr 1
SEA2:10 pmSeattle/Tacoma Intl
18h 20m
1 stop
GLA4:30 pmGlasgow Intl
Apr 7
GLA5:30 pmGlasgow Intl
26h 50m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$641

Icelandair flights from Seattle to Glasgow Intl Airport

Our best Icelandair deals on Seattle to Glasgow Intl Airport flight tickets
Icelandair
Apr 20
SEA3:40 pmSeattle/Tacoma Intl
13h 45m
1 stop
GLA1:25 pmGlasgow Intl
Apr 30
GLA2:20 pmGlasgow Intl
11h 35m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$519
Icelandair
Apr 20
SEA3:40 pmSeattle/Tacoma Intl
13h 45m
1 stop
GLA1:25 pmGlasgow Intl
May 1
GLA2:20 pmGlasgow Intl
11h 35m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$522
Icelandair
Apr 20
SEA7:00 pmSeattle/Tacoma Intl
10h 25m
1 stop
GLA1:25 pmGlasgow Intl
Apr 27
GLA2:20 pmGlasgow Intl
11h 35m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$525

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 February 2, 2026.
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

Mon 4/20

3:40 pm-1:25 pm

1 stop13h 45m

Glasgow Intl

Thu 4/30

2:20 pm-5:55 pm

1 stop11h 35m

$519

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 4/20

3:40 pm-1:25 pm

1 stop13h 45m

Glasgow Intl

Fri 5/1

2:20 pm-5:55 pm

1 stop11h 35m

$522

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 4/20

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Mon 4/27

2:20 pm-5:55 pm

1 stop11h 35m

$525

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-1:25 pm

1 stop13h 45m

Glasgow Intl

Fri 5/1

2:20 pm-5:55 pm

1 stop11h 35m

$527

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 4/22

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Wed 4/29

2:20 pm-5:55 pm

1 stop11h 35m

$536

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 4/22

7:00 pm-1:25 pm

1 stop10h 25m

Glasgow Intl

Fri 5/1

2:20 pm-5:55 pm

1 stop11h 35m

$544

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/2

2:35 pm-7:40 pm

2 stops21h 05m

Glasgow Intl

Mon 3/9

8:20 am-6:00 pm

2 stops16h 40m

$553

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/2

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 3/9

12:35 pm-6:00 pm

1 stop12h 25m

$577

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 4/1

2:10 pm-2:55 pm

2 stops16h 45m

Glasgow Intl

Tue 4/7

8:40 pm-12:20 pm

2 stops23h 40m

$582

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/2

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Mon 3/9

12:35 pm-6:00 pm

1 stop12h 25m

$589

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 February. Flight prices, which tend to average around $687, 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 February, then October is your next best option. Flight prices from Seattle to Glasgow Intl Airport during October average around $704.

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 $793 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 $681 on momondo.

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

As of February 2026, prices for Seattle to Glasgow Intl Airport flights are approximately 45% cheaper 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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from Seattle to Glasgow Intl Airport takes 10h 25m
There are no direct flights from Seattle to Glasgow Intl Airport. There are no popular flight routes from Seattle to Glasgow Intl Airport.
Search flight deals

  • 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 $534Free CancellationRating
7.1
606 reviews
Search Icelandair flights
British AirwaysPriceFrom $609Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
Aer LingusPriceFrom $689Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
LufthansaPriceFrom $701Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
American AirlinesPriceFrom $750Free CancellationRating
7.2
11,213 reviews
Search American Airlines flights

Traveling to a place near Glasgow?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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