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Cheap flights from Seattle to Glasgow from $320

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 1/24. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m1 stop
Icelandair Logo
12:35 pm - 5:00 pm
GLA
-
SEA
12h 25m1 stop
$478Icelandair
Thu, Feb 19 - Fri, Feb 27
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m1 stop
Icelandair Logo
12:35 pm - 5:00 pm
GLA
-
SEA
12h 25m1 stop
$488Icelandair
Fri, Jan 23 - Fri, Jan 30
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m1 stop
Icelandair Logo
12:35 pm - 5:00 pm
GLA
-
SEA
12h 25m1 stop
$490Icelandair
Sat, Jan 24 - Tue, Feb 17
Icelandair Logo
2:35 pm - 9:55 am
SEA
-
GLA
11h 20m1 stop
Icelandair Logo
12:35 pm - 5:00 pm
GLA
-
SEA
12h 25m1 stop
$491Icelandair
Wed, Jan 21 - Wed, Jan 28
British Airways Logo
1:35 pm - 10:45 am
SEA
-
GLA
13h 10m1 stop
British Airways Logo
6:35 am - 11:30 am
GLA
-
SEA
12h 55m1 stop
$587British Airways
Sat, Feb 7 - Sat, Feb 14
British Airways Logo
1:35 pm - 1:20 pm
SEA
-
GLA
15h 45m1 stop
British Airways Logo
6:35 am - 11:30 am
GLA
-
SEA
12h 55m1 stop
$588British Airways
Sat, Feb 7 - Sat, Feb 14
British Airways Logo
8:04 am - 10:45 am
SEA
-
GLA
18h 41m2 stops
British Airways Logo
2:00 pm - 4:55 pm
GLA
-
SEA
34h 55m1 stop
$603British Airways
Sat, Jan 24 - Tue, Feb 17
British Airways Logo
6:50 pm - 5:50 pm
SEA
-
GLA
15h 00m1 stop
British Airways Logo
8:20 pm - 11:30 am
GLA
-
SEA
23h 10m1 stop
$605British Airways
Thu, Jan 22 - Thu, Jan 29
British Airways Logo
6:12 am - 10:45 am
SEA
-
GLA
20h 33m2 stops
British Airways Logo
7:25 am - 10:15 pm
GLA
-
SEA
22h 50m2 stops
$606British Airways
Sat, Jan 24 - Tue, Feb 17
British Airways Logo
1:35 pm - 1:05 pm
SEA
-
GLA
15h 30m1 stop
British Airways Logo
6:25 am - 11:30 am
GLA
-
SEA
13h 05m1 stop
$607British Airways
Fri, Jan 30 - Tue, Feb 3

Icelandair flights from Seattle to Glasgow Intl Airport

Our best Icelandair deals on Seattle to Glasgow Intl Airport flight tickets
Icelandair
Feb 19
SEA2:35 pmSeattle/Tacoma Intl
11h 20m
1 stop
GLA9:55 amGlasgow Intl
Feb 27
GLA12:35 pmGlasgow Intl
12h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$478
Find similar
Icelandair
Jan 23
SEA2:35 pmSeattle/Tacoma Intl
11h 20m
1 stop
GLA9:55 amGlasgow Intl
Jan 30
GLA12:35 pmGlasgow Intl
12h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$488
Find similar
Icelandair
Jan 24
SEA2:35 pmSeattle/Tacoma Intl
11h 20m
1 stop
GLA9:55 amGlasgow Intl
Feb 17
GLA12:35 pmGlasgow Intl
12h 25m
1 stop
SEA5:00 pmSeattle/Tacoma Intl
$490
Find similar

British Airways flights from Seattle to Glasgow Intl Airport

Our best British Airways deals on Seattle to Glasgow Intl Airport flight tickets
British Airways
Feb 7
SEA1:35 pmSeattle/Tacoma Intl
13h 10m
1 stop
GLA10:45 amGlasgow Intl
Feb 14
GLA6:35 amGlasgow Intl
12h 55m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$587
Find similar
British Airways
Feb 7
SEA1:35 pmSeattle/Tacoma Intl
15h 45m
1 stop
GLA1:20 pmGlasgow Intl
Feb 14
GLA6:35 amGlasgow Intl
12h 55m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$588
Find similar
British Airways
Jan 24
SEA8:04 amSeattle/Tacoma Intl
18h 41m
2 stops
GLA10:45 amGlasgow Intl
Feb 17
GLA2:00 pmGlasgow Intl
34h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$603
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 December 11, 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

Thu 2/19

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Fri 2/27

12:35 pm-5:00 pm

1 stop12h 25m

$478

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 1/23

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Fri 1/30

12:35 pm-5:00 pm

1 stop12h 25m

$488

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 1/24

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Tue 2/17

12:35 pm-5:00 pm

1 stop12h 25m

$490

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 1/21

2:35 pm-9:55 am

1 stop11h 20m

Glasgow Intl

Wed 1/28

12:35 pm-5:00 pm

1 stop12h 25m

$491

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 2/7

1:35 pm-10:45 am

1 stop13h 10m

Glasgow Intl

Sat 2/14

6:35 am-11:30 am

1 stop12h 55m

$587

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 2/7

1:35 pm-1:20 pm

1 stop15h 45m

Glasgow Intl

Sat 2/14

6:35 am-11:30 am

1 stop12h 55m

$588

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 1/24

8:04 am-10:45 am

2 stops18h 41m

Glasgow Intl

Tue 2/17

2:00 pm-4:55 pm

1 stop34h 55m

$603

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/22

6:50 pm-5:50 pm

1 stop15h 00m

Glasgow Intl

Thu 1/29

8:20 pm-11:30 am

1 stop23h 10m

$605

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 1/24

6:12 am-10:45 am

2 stops20h 33m

Glasgow Intl

Tue 2/17

7:25 am-10:15 pm

2 stops22h 50m

$606

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 1/30

1:35 pm-1:05 pm

1 stop15h 30m

Glasgow Intl

Tue 2/3

6:25 am-11:30 am

1 stop13h 05m

$607

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 $708, 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 $714.

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 $809 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 December 2025, prices for Seattle to Glasgow Intl Airport flights are approximately 37% 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

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 $556Free CancellationRating
7.0
589 reviews
Search Icelandair flights
Aer LingusPriceFrom $689Free CancellationRating
7.2
1,394 reviews
Search Aer Lingus flights
LufthansaPriceFrom $701Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
British AirwaysPriceFrom $707Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
American AirlinesPriceFrom $750Free CancellationRating
7.2
11,049 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
Glencoe
Inveraray
Kinlochleven
Alexandria
Kilmarnock
Arrochar
Dunoon
East Kilbride
Ballachulish
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.
Start using Trips
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