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Cheap flights from Seattle to Glasgow from £209

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 15/7. 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 return flights

Enter your travel dates to find the best prices.
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£573Icelandair
Sun, 30 Aug - Sat, 5 Sep
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£598Icelandair
Thu, 1 Oct - Tue, 13 Oct
Multiple Airlines Logo
15:40 - 20:55
SEA
-
GLA
21h 15m
3 stops
Multiple Airlines Logo
20:40 - 21:07
GLA
-
SEA
32h 27m
3 stops
£602Multiple Airlines
Mon, 17 Aug - Tue, 25 Aug
Icelandair Logo
15:35 - 09:55
SEA
-
GLA
11h 20m
1 stop
Icelandair Logo
11:55 - 17:00
GLA
-
SEA
13h 05m
1 stop
£605Icelandair
Wed, 28 Oct - Tue, 10 Nov
Icelandair Logo
15:35 - 09:55
SEA
-
GLA
11h 20m
1 stop
Icelandair Logo
11:55 - 17:00
GLA
-
SEA
13h 05m
1 stop
£606Icelandair
Wed, 28 Oct - Tue, 10 Nov
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
£607Icelandair
Mon, 5 Oct - Thu, 15 Oct
Icelandair Logo
15:40 - 13:25
SEA
-
GLA
13h 45m
1 stop
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
£610Icelandair
Tue, 25 Aug - Tue, 1 Sep
Multiple Airlines Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
Multiple Airlines Logo
21:25 - 21:07
GLA
-
SEA
31h 42m
3 stops
£613Multiple Airlines
Mon, 17 Aug - Tue, 25 Aug
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
£617Icelandair
Tue, 25 Aug - Tue, 1 Sep
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£618Icelandair
Fri, 21 Aug - Fri, 4 Sep

Icelandair flights from Seattle to Glasgow Intl Airport

Our best Icelandair deals on Seattle to Glasgow Intl Airport flight tickets
Icelandair
30 Aug
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
5 Sept
GLA14:20Glasgow Intl
11h 35m
1 stop
SEA17:55Seattle/Tacoma Intl
£573
Icelandair
1 Oct
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
13 Oct
GLA14:20Glasgow Intl
11h 35m
1 stop
SEA17:55Seattle/Tacoma Intl
£598
Icelandair
28 Oct
SEA15:35Seattle/Tacoma Intl
11h 20m
1 stop
GLA09:55Glasgow Intl
10 Nov
GLA11:55Glasgow Intl
13h 05m
1 stop
SEA17:00Seattle/Tacoma Intl
£605

British Airways flights from Seattle to Glasgow Intl Airport

Our best British Airways deals on Seattle to Glasgow Intl Airport flight tickets
British Airways
28 Oct
SEA19:50Seattle/Tacoma Intl
13h 00m
1 stop
GLA15:50Glasgow Intl
10 Nov
GLA10:50Glasgow Intl
14h 05m
1 stop
SEA16:55Seattle/Tacoma Intl
£651
British Airways
5 Oct
SEA20:20Seattle/Tacoma Intl
13h 20m
1 stop
GLA17:40Glasgow Intl
12 Oct
GLA19:35Glasgow Intl
24h 00m
1 stop
SEA11:35Seattle/Tacoma Intl
£651
British Airways
27 Sept
SEA20:20Seattle/Tacoma Intl
13h 20m
1 stop
GLA17:40Glasgow Intl
30 Sept
GLA15:35Glasgow Intl
28h 00m
1 stop
SEA11:35Seattle/Tacoma Intl
£664

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 29 May 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

Cheapest return flight
Fastest return journey

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 30/8

19:00-13:25

1 stop10h 25m

Glasgow Intl

Sat 5/9

14:20-17:55

1 stop11h 35m

£573

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Tue 13/10

14:20-17:55

1 stop11h 35m

£598

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 17/8

15:40-20:55

3 stops21h 15m

Glasgow Intl

Tue 25/8

20:40-21:07

3 stops32h 27m

£602

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 28/10

15:35-09:55

1 stop11h 20m

Glasgow Intl

Tue 10/11

11:55-17:00

1 stop13h 05m

£605

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 28/10

15:35-09:55

1 stop11h 20m

Glasgow Intl

Tue 10/11

11:55-17:00

1 stop13h 05m

£606

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 5/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Thu 15/10

14:20-20:40

1 stop14h 20m

£607

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/8

15:40-13:25

1 stop13h 45m

Glasgow Intl

Tue 1/9

14:20-20:40

1 stop14h 20m

£610

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 17/8

23:25-13:25

1 stop30h 00m

Glasgow Intl

Tue 25/8

21:25-21:07

3 stops31h 42m

£613

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 25/8

19:00-13:25

1 stop10h 25m

Glasgow Intl

Tue 1/9

14:20-20:40

1 stop14h 20m

£617

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Fri 21/8

19:00-13:25

1 stop10h 25m

Glasgow Intl

Fri 4/9

14:20-17:55

1 stop11h 35m

£618

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Seattle and Glasgow Intl Airport?

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

In general, February 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 £489. If you’re not able to fly to Glasgow Intl Airport in February, then March is your next best option. Flight prices from Seattle to Glasgow Intl Airport during March average around £496.

How far in advance should I book a flight from Seattle 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 £588 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 £471 on momondo.

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

As of May 2026, prices for Seattle to Glasgow Intl Airport flights are approximately 49% 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

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

Frequently asked questions about flying from Seattle to Glasgow Intl Airport

  • 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 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 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.

  • 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 £425Free CancellationRating
7.0
661 reviews
Search Icelandair flights

Travelling to a place near Glasgow?

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

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