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Cheap flights from Glasgow to Seattle from £309

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 to Seattle departing on 24/9. 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 Glasgow to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:05 - 17:10
GLA
-
SEA
16h 05m
1 stop
Multiple Airlines Logo
19:10 - 14:55
SEA
-
GLA
11h 45m
1 stop
£512Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Multiple Airlines Logo
09:05 - 17:10
GLA
-
SEA
16h 05m
1 stop
Multiple Airlines Logo
19:10 - 14:55
SEA
-
GLA
11h 45m
1 stop
£523Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Multiple Airlines Logo
09:25 - 17:10
GLA
-
SEA
15h 45m
1 stop
Multiple Airlines Logo
19:10 - 20:15
SEA
-
GLA
17h 05m
1 stop
£628Multiple Airlines
Mon, 15 Jun - Mon, 22 Jun
Icelandair Logo
14:20 - 17:55
GLA
-
SEA
11h 35m
1 stop
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£630Icelandair
Mon, 28 Sep - Tue, 29 Sep
Multiple Airlines Logo
09:25 - 17:10
GLA
-
SEA
15h 45m
1 stop
Multiple Airlines Logo
19:10 - 21:20
SEA
-
GLA
18h 10m
1 stop
£644Multiple Airlines
Mon, 1 Jun - Sun, 7 Jun
Icelandair Logo
14:30 - 20:40
GLA
-
SEA
14h 10m
1 stop
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£649Icelandair
Mon, 18 May - Mon, 8 Jun
Multiple Airlines Logo
11:00 - 10:05
GLA
-
SEA
31h 05m
3 stops
Multiple Airlines Logo
15:00 - 09:40
SEA
-
GLA
34h 40m
3 stops
£661Multiple Airlines
Mon, 18 May - Mon, 8 Jun
Multiple Airlines Logo
11:00 - 10:05
GLA
-
SEA
31h 05m
3 stops
Multiple Airlines Logo
15:00 - 09:40
SEA
-
GLA
34h 40m
2 stops
£667Multiple Airlines
Mon, 18 May - Mon, 8 Jun
Multiple Airlines Logo
11:00 - 10:05
GLA
-
SEA
31h 05m
3 stops
Multiple Airlines Logo
23:25 - 13:25
SEA
-
GLA
30h 00m
1 stop
£669Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun
Aer Lingus Logo
12:00 - 17:10
GLA
-
SEA
13h 10m
1 stop
Aer Lingus Logo
19:10 - 16:50
SEA
-
GLA
13h 40m
1 stop
£676Aer Lingus
Mon, 22 Jun - Sun, 28 Jun

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets
Icelandair
6 Oct
GLA14:20Glasgow Intl
14h 20m
1 stop
SEA20:40Seattle/Tacoma Intl
27 Oct
SEA15:35Seattle/Tacoma Intl
11h 20m
1 stop
GLA09:55Glasgow Intl
£596
Icelandair
18 May
GLA14:30Glasgow Intl
14h 10m
1 stop
SEA20:40Seattle/Tacoma Intl
8 Jun
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
£649
Icelandair
28 May
GLA14:20Glasgow Intl
29h 25m
1 stop
SEA11:45Seattle/Tacoma Intl
1 Jun
SEA15:40Seattle/Tacoma Intl
13h 45m
1 stop
GLA13:25Glasgow Intl
£692

Aer Lingus flights from Glasgow to Seattle

Our best Aer Lingus deals on Glasgow to Seattle flight tickets
Aer Lingus
23 Jun
GLA12:00Glasgow Intl
13h 10m
1 stop
SEA17:10Seattle/Tacoma Intl
30 Jun
SEA19:10Seattle/Tacoma Intl
13h 40m
1 stop
GLA16:50Glasgow Intl
£664
Aer Lingus
22 Jun
GLA12:00Glasgow Intl
13h 10m
1 stop
SEA17:10Seattle/Tacoma Intl
28 Jun
SEA19:10Seattle/Tacoma Intl
13h 40m
1 stop
GLA16:50Glasgow Intl
£676

momondo Fare Finder

 
Customise your flight search to find flights from Glasgow 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 3 May 2026.
Use the filters below to find and compare flights from Glasgow to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/6

09:05-17:10

1 stop16h 05m

Seattle/Tacoma Intl

Thu 11/6

19:10-14:55

1 stop11h 45m

£512

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/6

09:05-17:10

1 stop16h 05m

Seattle/Tacoma Intl

Thu 11/6

19:10-14:55

1 stop11h 45m

£523

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 15/6

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Mon 22/6

19:10-20:15

1 stop17h 05m

£628
Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 28/9

14:20-17:55

1 stop11h 35m

Seattle/Tacoma Intl

Tue 29/9

19:00-13:25

1 stop10h 25m

£630

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 1/6

09:25-17:10

1 stop15h 45m

Seattle/Tacoma Intl

Sun 7/6

19:10-21:20

1 stop18h 10m

£644

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 18/5

14:30-20:40

1 stop14h 10m

Seattle/Tacoma Intl

Mon 8/6

19:00-13:25

1 stop10h 25m

£649

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 18/5

11:00-10:05

3 stops31h 05m

Seattle/Tacoma Intl

Mon 8/6

15:00-09:40

3 stops34h 40m

£661

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 18/5

11:00-10:05

3 stops31h 05m

Seattle/Tacoma Intl

Mon 8/6

15:00-09:40

2 stops34h 40m

£667

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/6

11:00-10:05

3 stops31h 05m

Seattle/Tacoma Intl

Thu 11/6

23:25-13:25

1 stop30h 00m

£669

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 22/6

12:00-17:10

1 stop13h 10m

Seattle/Tacoma Intl

Sun 28/6

19:10-16:50

1 stop13h 40m

£676

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Glasgow 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 and Seattle?

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Glasgow is in April. Flight prices, which tend to average around £425, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Seattle, with average flight prices from Glasgow averaging around £425.

Cheap Glasgow to Seattle flight deals and tips

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Glasgow to Seattle takes 11h 35m
There are no direct flights from Glasgow to Seattle. There are no popular flight routes from Glasgow to Seattle.
Search flight deals

Frequently asked questions about flying from Glasgow to Seattle

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

    A flight from Glasgow to Seattle/Tacoma Intl will travel around 4441.7 mi. Typically, this will take 11h 35m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow to Seattle/Tacoma Intl Airport.

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

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

Best airlines flying from Glasgow to Seattle

Compare and see reviews for airlines that fly from Glasgow to Seattle with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £445Free CancellationRating
7.0
650 reviews
Search Icelandair flights
British AirwaysPriceFrom £462Free CancellationRating
6.7
7,943 reviews
Search British Airways flights
KLMPriceFrom £492Free CancellationRating
7.8
1,511 reviews
Search KLM flights
Air FrancePriceFrom £502Free CancellationRating
7.4
1,583 reviews
Search Air France flights
LufthansaPriceFrom £503Free CancellationRating
6.8
7,972 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £581Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £638Free CancellationRating
7.3
1,540 reviews
Search Aer Lingus flights

Travelling to a place near Seattle?

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

Why use momondo?

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

Finding the right flight to Seattle from Glasgow is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Yes. All flights to Seattle from Glasgow on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Glasgow to Seattle 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 Glasgow to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Glasgow to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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