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Cheap flights from Seattle to Glasgow from £291

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 1/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:35 - 09:55SEA-GLA
11h 20m1 stop
Icelandair Logo
12:35 - 17:00GLA-SEA
12h 25m1 stop
£367Icelandair
Find Deal
Wed, 4 Feb - Wed, 11 Feb
Icelandair Logo
14:35 - 09:55SEA-GLA
11h 20m1 stop
Icelandair Logo
12:35 - 17:00GLA-SEA
12h 25m1 stop
£370Icelandair
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Icelandair Logo
14:35 - 09:55SEA-GLA
11h 20m1 stop
Icelandair Logo
12:35 - 17:00GLA-SEA
12h 25m1 stop
£383Icelandair
Find Deal
Fri, 5 Dec - Thu, 11 Dec
Multiple Airlines Logo
14:35 - 20:20SEA-GLA
21h 45m2 stops
Multiple Airlines Logo
08:25 - 17:00GLA-SEA
16h 35m2 stops
£386Multiple Airlines
Find Deal
Tue, 24 Feb - Tue, 3 Mar
Multiple Airlines Logo
14:35 - 21:00SEA-GLA
22h 25m2 stops
Multiple Airlines Logo
07:45 - 17:00GLA-SEA
17h 15m2 stops
£444Multiple Airlines
Find Deal
Wed, 14 Jan - Wed, 21 Jan
KLM Logo
15:00 - 08:30SEA-GLA
33h 30m1 stop
KLM Logo
17:20 - 11:45GLA-SEA
26h 25m1 stop
£458KLM
Find Deal
Mon, 17 Nov - Mon, 24 Nov
KLM Logo
09:28 - 08:30SEA-GLA
15h 02m2 stops
KLM Logo
17:20 - 11:45GLA-SEA
26h 25m1 stop
£461KLM
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air France Logo
15:05 - 16:35SEA-GLA
17h 30m1 stop
Air France Logo
06:05 - 11:40GLA-SEA
13h 35m1 stop
£469Air France
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Sat, 7 Feb - Sat, 14 Feb
British Airways Logo
18:50 - 17:10SEA-GLA
14h 20m1 stop
British Airways Logo
11:40 - 16:55GLA-SEA
13h 15m1 stop
£493British Airways
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Sat, 7 Feb - Sat, 14 Feb
British Airways Logo
13:35 - 13:20SEA-GLA
15h 45m1 stop
British Airways Logo
12:45 - 23:32GLA-SEA
18h 47m2 stops
£505British Airways
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Sat, 7 Feb - Sat, 14 Feb

Icelandair flights from Seattle to Glasgow Intl Airport

Our best Icelandair deals on Seattle to Glasgow Intl Airport flight tickets
Icelandair
4 Feb
SEA14:35Seattle/Tacoma Intl
11h 20m
1 stop
GLA09:55Glasgow Intl
11 Feb
GLA12:35Glasgow Intl
12h 25m
1 stop
SEA17:00Seattle/Tacoma Intl
£367
Find similar
Icelandair
14 Jan
SEA14:35Seattle/Tacoma Intl
11h 20m
1 stop
GLA09:55Glasgow Intl
21 Jan
GLA12:35Glasgow Intl
12h 25m
1 stop
SEA17:00Seattle/Tacoma Intl
£370
Find similar
Icelandair
5 Dec
SEA14:35Seattle/Tacoma Intl
11h 20m
1 stop
GLA09:55Glasgow Intl
11 Dec
GLA12:35Glasgow Intl
12h 25m
1 stop
SEA17:00Seattle/Tacoma Intl
£383
Find similar

KLM flights from Seattle to Glasgow Intl Airport

Our best KLM deals on Seattle to Glasgow Intl Airport flight tickets
KLM
17 Nov
SEA15:00Seattle/Tacoma Intl
33h 30m
1 stop
GLA08:30Glasgow Intl
24 Nov
GLA17:20Glasgow Intl
26h 25m
1 stop
SEA11:45Seattle/Tacoma Intl
£458
Find similar
KLM
17 Nov
SEA09:28Seattle/Tacoma Intl
15h 02m
2 stops
GLA08:30Glasgow Intl
24 Nov
GLA17:20Glasgow Intl
26h 25m
1 stop
SEA11:45Seattle/Tacoma Intl
£461
Find similar
KLM
2 Dec
SEA15:05Seattle/Tacoma Intl
13h 40m
1 stop
GLA12:45Glasgow Intl
9 Dec
GLA06:05Glasgow Intl
13h 45m
1 stop
SEA11:50Seattle/Tacoma Intl
£463
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 31 October 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

Wed 4/2

14:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 11/2

12:35-17:00

1 stop12h 25m

£367

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 14/1

14:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 21/1

12:35-17:00

1 stop12h 25m

£370

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 5/12

14:35-09:55

1 stop11h 20m

Glasgow Intl

Thu 11/12

12:35-17:00

1 stop12h 25m

£383

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 24/2

14:35-20:20

2 stops21h 45m

Glasgow Intl

Tue 3/3

08:25-17:00

2 stops16h 35m

£386

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 14/1

14:35-21:00

2 stops22h 25m

Glasgow Intl

Wed 21/1

07:45-17:00

2 stops17h 15m

£444

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 17/11

15:00-08:30

1 stop33h 30m

Glasgow Intl

Mon 24/11

17:20-11:45

1 stop26h 25m

£458

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 17/11

09:28-08:30

2 stops15h 02m

Glasgow Intl

Mon 24/11

17:20-11:45

1 stop26h 25m

£461

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 7/2

15:05-16:35

1 stop17h 30m

Glasgow Intl

Sat 14/2

06:05-11:40

1 stop13h 35m

£469

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 7/2

18:50-17:10

1 stop14h 20m

Glasgow Intl

Sat 14/2

11:40-16:55

1 stop13h 15m

£493

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 7/2

13:35-13:20

1 stop15h 45m

Glasgow Intl

Sat 14/2

12:45-23:32

2 stops18h 47m

£505

Flights are sorted by cheapest return 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?

In general, November is the cheapest month to fly from Seattle to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £505. If you’re not able to fly to Glasgow Intl Airport in November, then March is your next best option. Flight prices from Seattle to Glasgow Intl Airport during March average around £536.

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

On average, the least expensive day to fly to Glasgow Intl Airport from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £540. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £916. These prices are subject to change though, so be sure to set up a Price Alert for flights to Glasgow Intl Airport.

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

At midday is the cheapest time of day to fly from Seattle to Glasgow Intl Airport when you can find flight prices for as low as £565. Flying to Glasgow Intl Airport at midday is an ideal time because this is during off-peak travel hours. Flights to Glasgow Intl Airport are more costly in the afternoon, with an average ticket price of £625. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 £626 when searching weeks before you fly. 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 £517 on momondo.

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

As of October 2025, prices for Seattle to Glasgow Intl Airport flights are approximately 33% 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 return 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.
Search flight deals

  • How far is Seattle/Tacoma Intl to Glasgow Intl by plane?

    A flight from Seattle/Tacoma Intl to Glasgow Intl will travel around 4436.4 mi. Flights usually cover this in 10h 25m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Glasgow Intl Airport.

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

    The required travel and health documents for your Glasgow Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Glasgow Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Glasgow?

Book flights to Glasgow if you plan to visit one of these locations
Paisley
Largs
Kilmarnock
Clydebank
Dunoon
Arrochar
Inveraray
Rothesay
Helensburgh
Dumbarton
Alexandria
Balloch
East Kilbride
Renfrew
Ballachulish
Glencoe
Kinlochleven
Tarbert
Barrhead

Why use momondo?

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

It is quick and easy to find Seattle to Glasgow flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Glasgow that suits you.

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

All flight searches from Seattle to Glasgow on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Seattle to Glasgow flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Glasgow, momondo offers a useful price alert feature which will track prices for flights to Glasgow from Seattle and alert you when they change.

An easier way to manage your Glasgow Intl Airport trip

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