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Cheap flights from Glasgow Intl Airport to Seattle from £334

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Seattle 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Glasgow Intl Airport to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
Icelandair Logo
15:40 - 13:25
SEA
-
GLA
13h 45m
1 stop
£483Icelandair
Wed, 9 Sep - Wed, 23 Sep
Multiple Airlines Logo
22:35 - 09:40
GLA
-
SEA
43h 05m
3 stops
Multiple Airlines Logo
15:40 - 15:30
SEA
-
GLA
15h 50m
2 stops
£507Multiple Airlines
Wed, 26 Aug - Sat, 29 Aug
Multiple Airlines Logo
22:35 - 21:00
GLA
-
SEA
30h 25m
3 stops
Multiple Airlines Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
£508Multiple Airlines
Wed, 26 Aug - Sat, 29 Aug
Multiple Airlines Logo
22:35 - 21:00
GLA
-
SEA
30h 25m
3 stops
Multiple Airlines Logo
15:40 - 22:50
SEA
-
GLA
23h 10m
3 stops
£516Multiple Airlines
Wed, 26 Aug - Sat, 29 Aug
Multiple Airlines Logo
22:35 - 21:00
GLA
-
SEA
30h 25m
3 stops
Multiple Airlines Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
£542Multiple Airlines
Wed, 26 Aug - Sat, 29 Aug
KLM Logo
06:00 - 11:47
GLA
-
SEA
13h 47m
1 stop
KLM Logo
10:45 - 16:10
SEA
-
GLA
21h 25m
2 stops
£557KLM
Wed, 9 Sep - Wed, 23 Sep
British Airways Logo
12:00 - 17:10
GLA
-
SEA
13h 10m
1 stop
British Airways Logo
19:50 - 18:15
SEA
-
GLA
15h 25m
1 stop
£558British Airways
Tue, 6 Oct - Tue, 27 Oct
British Airways Logo
12:00 - 17:10
GLA
-
SEA
13h 10m
1 stop
British Airways Logo
19:50 - 18:15
SEA
-
GLA
15h 25m
1 stop
£560British Airways
Tue, 6 Oct - Tue, 27 Oct
British Airways Logo
12:00 - 17:10
GLA
-
SEA
13h 10m
1 stop
British Airways Logo
19:50 - 18:15
SEA
-
GLA
15h 25m
1 stop
£561British Airways
Tue, 6 Oct - Tue, 27 Oct
KLM Logo
06:00 - 13:51
GLA
-
SEA
15h 51m
2 stops
KLM Logo
09:59 - 16:10
SEA
-
GLA
22h 11m
2 stops
£562KLM
Wed, 9 Sep - Wed, 23 Sep

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Virgin Atlantic flights from Glasgow Intl Airport to Seattle

Our best Virgin Atlantic deals on Glasgow Intl Airport to Seattle flight tickets
Virgin Atlantic
6 Oct
GLA09:10Glasgow Intl
19h 37m
2 stops
SEA20:47Seattle/Tacoma Intl
27 Oct
SEA08:25Seattle/Tacoma Intl
17h 05m
2 stops
GLA08:30Glasgow Intl
£589
Virgin Atlantic
6 Oct
GLA09:10Glasgow Intl
19h 37m
2 stops
SEA20:47Seattle/Tacoma Intl
27 Oct
SEA08:25Seattle/Tacoma Intl
17h 05m
2 stops
GLA08:30Glasgow Intl
£688
Virgin Atlantic
6 Oct
GLA09:10Glasgow Intl
19h 40m
2 stops
SEA20:50Seattle/Tacoma Intl
27 Oct
SEA08:25Seattle/Tacoma Intl
17h 05m
2 stops
GLA08:30Glasgow Intl
£689

British Airways flights from Glasgow Intl Airport to Seattle

Our best British Airways deals on Glasgow Intl Airport to Seattle flight tickets
British Airways
6 Oct
GLA12:00Glasgow Intl
13h 10m
1 stop
SEA17:10Seattle/Tacoma Intl
27 Oct
SEA19:50Seattle/Tacoma Intl
15h 25m
1 stop
GLA18:15Glasgow Intl
£558
British Airways
6 Oct
GLA12:00Glasgow Intl
13h 10m
1 stop
SEA17:10Seattle/Tacoma Intl
27 Oct
SEA19:50Seattle/Tacoma Intl
15h 25m
1 stop
GLA18:15Glasgow Intl
£560
British Airways
6 Oct
GLA12:00Glasgow Intl
13h 10m
1 stop
SEA17:10Seattle/Tacoma Intl
27 Oct
SEA19:50Seattle/Tacoma Intl
15h 25m
1 stop
GLA18:15Glasgow Intl
£561

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow Intl Airport to Seattle 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 28 June 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 9/9

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Wed 23/9

15:40-13:25

1 stop13h 45m

£483

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-09:40

3 stops43h 05m

Seattle/Tacoma Intl

Sat 29/8

15:40-15:30

2 stops15h 50m

£507

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-21:00

3 stops30h 25m

Seattle/Tacoma Intl

Sat 29/8

23:25-13:25

1 stop30h 00m

£508

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-21:00

3 stops30h 25m

Seattle/Tacoma Intl

Sat 29/8

15:40-22:50

3 stops23h 10m

£516

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 26/8

22:35-21:00

3 stops30h 25m

Seattle/Tacoma Intl

Sat 29/8

23:25-13:25

1 stop30h 00m

£542

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 9/9

06:00-11:47

1 stop13h 47m

Seattle/Tacoma Intl

Wed 23/9

10:45-16:10

2 stops21h 25m

£557

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 6/10

12:00-17:10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 27/10

19:50-18:15

1 stop15h 25m

£558

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 6/10

12:00-17:10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 27/10

19:50-18:15

1 stop15h 25m

£560

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 6/10

12:00-17:10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 27/10

19:50-18:15

1 stop15h 25m

£561

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 9/9

06:00-13:51

2 stops15h 51m

Seattle/Tacoma Intl

Wed 23/9

09:59-16:10

2 stops22h 11m

£562

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to Seattle from

How to get the cheapest flight ticket from Glasgow Intl Airport to Seattle

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 Glasgow Intl Airport and Seattle?

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Glasgow Intl Airport is in January. Flight prices, which tend to average around £497, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Seattle, with average flight prices from Glasgow Intl Airport averaging around £538.

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

When to book flights from Glasgow Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Glasgow Intl Airport to Seattle (GLA to SEA) flight deals and tips

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

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Glasgow Intl Airport to Seattle takes 13h 00m
There are no direct flights from Glasgow Intl Airport to Seattle. There are no popular flight routes from Glasgow Intl Airport to Seattle.
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Frequently asked questions about flying from Glasgow Intl Airport to Seattle

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

    Seattle/Tacoma Intl is 4436.4 mi away from Glasgow Intl. Flights usually cover this in 13h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Seattle/Tacoma Intl Airport?

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

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Glasgow Intl Airport to Seattle?

Best airlines flying from Glasgow Intl Airport to Seattle

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £457Free CancellationRating
7.0
692 reviews
Search Icelandair flights
British AirwaysPriceFrom £553Free CancellationRating
6.7
8,076 reviews
Search British Airways flights
Aer LingusPriceFrom £614Free CancellationRating
7.3
1,628 reviews
Search Aer Lingus flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Kirkland
Fife
Ashford
Tacoma
SeaTac
Tukwila

Why use momondo?

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

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 Seattle from Glasgow.

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

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

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

momondo provides multiple filters to help you find the best flight to Seattle from Glasgow. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Seattle from Glasgow. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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