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Cheap flights from Seattle to Glasgow from £230

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 11/8. 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 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
£599Icelandair
Mon, 5 Oct - Thu, 15 Oct
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
£599Icelandair
Mon, 5 Oct - Thu, 15 Oct
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£600Icelandair
Sun, 30 Aug - Sat, 5 Sep
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
£601Icelandair
Thu, 1 Oct - Tue, 13 Oct
Icelandair Logo
15:40 - 13:25
SEA
-
GLA
13h 45m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£602Icelandair
Mon, 5 Oct - Thu, 15 Oct
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
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
Icelandair Logo
14:20 - 11:45
GLA
-
SEA
29h 25m
1 stop
£607Icelandair
Wed, 26 Aug - Thu, 3 Sep
Icelandair Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
Icelandair Logo
14:20 - 11:45
GLA
-
SEA
29h 25m
1 stop
£608Icelandair
Wed, 5 Aug - Mon, 17 Aug
Icelandair Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
£611Icelandair
Wed, 26 Aug - Fri, 4 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
£612Icelandair
Mon, 5 Oct - Thu, 15 Oct

Icelandair flights from Seattle to Glasgow

Our best Icelandair deals on Seattle to Glasgow flight tickets
Icelandair
5 Oct
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
15 Oct
GLA14:20Glasgow Intl
11h 35m
1 stop
SEA17:55Seattle/Tacoma Intl
£599
Icelandair
5 Oct
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
15 Oct
GLA14:20Glasgow Intl
14h 20m
1 stop
SEA20:40Seattle/Tacoma Intl
£599
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
£600

United Airlines flights from Seattle to Glasgow

Our best United Airlines deals on Seattle to Glasgow flight tickets
United Airlines
26 May
SEA08:56Seattle/Tacoma Intl
17h 14m
2 stops
GLA10:10Glasgow Intl
5 Jun
GLA14:00Glasgow Intl
17h 44m
1 stop
SEA23:44Seattle/Tacoma Intl
£895
United Airlines
26 May
SEA05:07Seattle/Tacoma Intl
21h 03m
2 stops
GLA10:10Glasgow Intl
5 Jun
GLA14:00Glasgow Intl
26h 00m
2 stops
SEA08:00Seattle/Tacoma Intl
£898
United Airlines
26 May
SEA07:00Seattle/Tacoma Intl
19h 10m
2 stops
GLA10:10Glasgow Intl
5 Jun
GLA14:00Glasgow Intl
27h 44m
2 stops
SEA09:44Seattle/Tacoma Intl
£899

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Glasgow 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 21 May 2026.
Use the filters below to find and compare flights from Seattle to Glasgow 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

Mon 5/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Thu 15/10

14:20-17:55

1 stop11h 35m

£599

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

£599

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

£600

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Thu 1/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Tue 13/10

14:20-20:40

1 stop14h 20m

£601

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 5/10

15:40-13:25

1 stop13h 45m

Glasgow Intl

Thu 15/10

14:20-17:55

1 stop11h 35m

£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 26/8

23:25-13:25

1 stop30h 00m

Glasgow Intl

Thu 3/9

14:20-11:45

1 stop29h 25m

£607

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 5/8

23:25-13:25

1 stop30h 00m

Glasgow Intl

Mon 17/8

14:20-11:45

1 stop29h 25m

£608

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 26/8

23:25-13:25

1 stop30h 00m

Glasgow Intl

Fri 4/9

14:20-17:55

1 stop11h 35m

£611

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 5/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Thu 15/10

14:20-17:55

1 stop11h 35m

£612

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

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?

What is the cheapest month to fly to Glasgow?

If you’re not able to fly to Glasgow in April, then March is your next best option. Flight prices from Seattle to Glasgow during March average around £351.

How far in advance should I book a flight from Seattle to Glasgow?

You are more likely to see cheaper flights to Glasgow from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow for around £581 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow from Seattle for as low as £471 on momondo.

Cheap Seattle to Glasgow flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Glasgow

Fastest flight time

10h 25m

Direct flights

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

Frequently asked questions about flying from Seattle to Glasgow

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

    Seattle/Tacoma Intl and Glasgow are 4441.7 mi apart from one another. 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?

    Prices for flights from Seattle/Tacoma Intl Airport to Glasgow were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Glasgow?

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

    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.

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

    The required travel and health documents for your Glasgow 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seattle to Glasgow

Compare and see reviews for airlines that fly from Seattle to Glasgow with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £425Free CancellationRating
7.0
656 reviews
Search Icelandair flights

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?

Flights from Seattle to Glasgow with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Glasgow.

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 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.
Start using Trips
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Glasgow

Airports listed have a maximum distance of 27.7 mi from Glasgow
Glasgow Intl Airport
Glasgow Prestwick Airport