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Cheap flights from Seattle to Glasgow from £190

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 16/10. 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 return flights

Aer Lingus Logo
19:35 - 16:50SEA-GLA
13h 15m1 stop
Aer Lingus Logo
08:35 - 17:50GLA-SEA
17h 15m1 stop
£459Aer Lingus
Find Deal
mar., 7 oct. - mer., 22 oct.
Logo
19:35 - 22:20SEA-GLA
18h 45m1 stop
Logo
08:10 - 17:50GLA-SEA
17h 40m1 stop
£463
Find Deal
jeu., 9 oct. - jeu., 16 oct.
Icelandair Logo
15:45 - 13:25SEA-GLA
13h 40m1 stop
Icelandair Logo
14:20 - 17:50GLA-SEA
11h 30m1 stop
£466Icelandair
Find Deal
dim., 5 oct. - mar., 21 oct.
Icelandair Logo
19:00 - 13:25SEA-GLA
10h 25m1 stop
Icelandair Logo
14:20 - 17:50GLA-SEA
11h 30m1 stop
£467Icelandair
Find Deal
ven., 3 oct. - lun., 13 oct.
British Airways Logo
13:30 - 10:20SEA-GLA
12h 50m1 stop
British Airways Logo
19:30 - 11:10GLA-SEA
23h 40m1 stop
£521British Airways
Find Deal
mer., 15 oct. - lun., 20 oct.
British Airways Logo
13:30 - 11:25SEA-GLA
13h 55m1 stop
British Airways Logo
19:30 - 11:10GLA-SEA
23h 40m1 stop
£522British Airways
Find Deal
mer., 15 oct. - lun., 20 oct.
Delta Logo
17:40 - 08:10SEA-GLA
30h 30m1 stop
Delta Logo
13:30 - 16:05GLA-SEA
34h 35m1 stop
£541Delta
Find Deal
lun., 8 sept. - mer., 1 oct.
Virgin Atlantic Logo
06:00 - 08:10SEA-GLA
18h 10m2 stops
Virgin Atlantic Logo
06:00 - 16:05GLA-SEA
18h 05m1 stop
£544Virgin Atlantic
Find Deal
dim., 5 oct. - mar., 21 oct.
Virgin Atlantic Logo
06:00 - 08:10SEA-GLA
18h 10m2 stops
Virgin Atlantic Logo
08:55 - 22:25GLA-SEA
21h 30m2 stops
£552Virgin Atlantic
Find Deal
dim., 5 oct. - mar., 21 oct.
Delta Logo
07:10 - 13:00SEA-GLA
21h 50m2 stops
Delta Logo
08:55 - 16:05GLA-SEA
15h 10m1 stop
£581Delta
Find Deal
jeu., 9 oct. - jeu., 16 oct.

KLM flights from Seattle to Glasgow Intl Airport

Our best KLM deals on Seattle to Glasgow Intl Airport flight tickets
KLM
21 Sept
SEA17:40Seattle/Tacoma Intl
30h 30m
1 stop
GLA08:10Glasgow Intl
4 Oct
GLA16:55Glasgow Intl
26h 55m
1 stop
SEA11:50Seattle/Tacoma Intl
£578
Find similar
KLM
1 Sept
SEA17:40Seattle/Tacoma Intl
30h 30m
1 stop
GLA08:10Glasgow Intl
8 Sept
GLA13:30Glasgow Intl
34h 35m
1 stop
SEA16:05Seattle/Tacoma Intl
£646
Find similar
KLM
29 Aug
SEA17:40Seattle/Tacoma Intl
14h 30m
1 stop
GLA16:10Glasgow Intl
12 Sept
GLA06:00Glasgow Intl
13h 45m
1 stop
SEA11:45Seattle/Tacoma Intl
£843
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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
7 Oct
SEA19:35Seattle/Tacoma Intl
13h 15m
1 stop
GLA16:50Glasgow Intl
22 Oct
GLA08:35Glasgow Intl
17h 15m
1 stop
SEA17:50Seattle/Tacoma Intl
£459
Find similar
Aer Lingus
9 Oct
SEA19:35Seattle/Tacoma Intl
13h 15m
1 stop
GLA16:50Glasgow Intl
16 Oct
GLA08:35Glasgow Intl
17h 15m
1 stop
SEA17:50Seattle/Tacoma Intl
£494
Find similar
Aer Lingus
18 Sept
SEA19:35Seattle/Tacoma Intl
11h 50m
1 stop
GLA15:25Glasgow Intl
25 Sept
GLA12:00Glasgow Intl
13h 50m
1 stop
SEA17:50Seattle/Tacoma Intl
£510
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 26 août 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

mar. 7/10

19:35-16:50

1 stop13h 15m

Glasgow Intl

mer. 22/10

08:35-17:50

1 stop17h 15m

£459

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

jeu. 9/10

19:35-22:20

1 stop18h 45m

Glasgow Intl

jeu. 16/10

08:10-17:50

1 stop17h 40m

£463

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dim. 5/10

15:45-13:25

1 stop13h 40m

Glasgow Intl

mar. 21/10

14:20-17:50

1 stop11h 30m

£466

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

ven. 3/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

lun. 13/10

14:20-17:50

1 stop11h 30m

£467

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

mer. 15/10

13:30-10:20

1 stop12h 50m

Glasgow Intl

lun. 20/10

19:30-11:10

1 stop23h 40m

£521

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

mer. 15/10

13:30-11:25

1 stop13h 55m

Glasgow Intl

lun. 20/10

19:30-11:10

1 stop23h 40m

£522

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

lun. 8/9

17:40-08:10

1 stop30h 30m

Glasgow Intl

mer. 1/10

13:30-16:05

1 stop34h 35m

£541

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dim. 5/10

06:00-08:10

2 stops18h 10m

Glasgow Intl

mar. 21/10

06:00-16:05

1 stop18h 05m

£544

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

dim. 5/10

06:00-08:10

2 stops18h 10m

Glasgow Intl

mar. 21/10

08:55-22:25

2 stops21h 30m

£552

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

jeu. 9/10

07:10-13:00

2 stops21h 50m

Glasgow Intl

jeu. 16/10

08:55-16:05

1 stop15h 10m

£581

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 £513. 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 £531.

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 £528. 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 £895. 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 £552. 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 £610. 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 £623 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 £507 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 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.
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  • 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 £414Free CancellationRating
7.0
533 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
Clydebank
Arrochar
Dunoon
Helensburgh
Inveraray
Rothesay
Balloch
Dumbarton
Alexandria
Renfrew
East Kilbride
Ballachulish
Tarbert
Glencoe
Barrhead
Kinlochleven

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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