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Cheap flights from Glasgow to Seattle from £288

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 19/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:20 - 18:45
GLA
-
SEA
18h 25m
2 stops
Multiple Airlines Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£464Multiple Airlines
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
08:20 - 22:53
GLA
-
SEA
22h 33m
3 stops
Multiple Airlines Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£491Multiple Airlines
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
19:10 - 09:40
GLA
-
SEA
46h 30m
2 stops
Multiple Airlines Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£501Multiple Airlines
Thu, 30 Apr - Mon, 4 May
Multiple Airlines Logo
19:10 - 09:40
GLA
-
SEA
46h 30m
2 stops
Multiple Airlines Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£502Multiple Airlines
Thu, 30 Apr - Mon, 4 May
Multiple Airlines Logo
08:20 - 18:45
GLA
-
SEA
18h 25m
2 stops
Multiple Airlines Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£504Multiple Airlines
Tue, 28 Apr - Thu, 10 Sep
Multiple Airlines Logo
07:45 - 17:10
GLA
-
SEA
17h 25m
1 stop
Multiple Airlines Logo
19:10 - 14:55
SEA
-
GLA
11h 45m
1 stop
£511Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
08:20 - 17:10
GLA
-
SEA
16h 50m
1 stop
Multiple Airlines Logo
19:10 - 15:15
SEA
-
GLA
12h 05m
1 stop
£519Multiple Airlines
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
07:45 - 20:40
GLA
-
SEA
20h 55m
2 stops
Multiple Airlines Logo
15:40 - 21:15
SEA
-
GLA
21h 35m
2 stops
£519Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£532Icelandair
Thu, 30 Apr - Mon, 4 May
Icelandair Logo
14:20 - 20:40
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
19:00 - 13:25
SEA
-
GLA
10h 25m
1 stop
£533Icelandair
Thu, 30 Apr - Tue, 5 May

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets
Icelandair
30 Apr
GLA14:20Glasgow Intl
14h 20m
1 stop
SEA20:40Seattle/Tacoma Intl
4 May
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
£532
Icelandair
30 Apr
GLA14:20Glasgow Intl
14h 20m
1 stop
SEA20:40Seattle/Tacoma Intl
5 May
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
£533
Icelandair
27 Apr
GLA14:20Glasgow Intl
11h 35m
1 stop
SEA17:55Seattle/Tacoma Intl
10 May
SEA19:00Seattle/Tacoma Intl
10h 25m
1 stop
GLA13:25Glasgow Intl
£534

Aer Lingus flights from Glasgow to Seattle

Our best Aer Lingus deals on Glasgow to Seattle flight tickets
Aer Lingus
28 May
GLA08:35Glasgow Intl
16h 35m
1 stop
SEA17:10Seattle/Tacoma Intl
8 Jun
SEA19:10Seattle/Tacoma Intl
12h 15m
1 stop
GLA15:25Glasgow Intl
£622
Aer Lingus
29 May
GLA08:35Glasgow Intl
16h 35m
1 stop
SEA17:10Seattle/Tacoma Intl
8 Jun
SEA19:10Seattle/Tacoma Intl
13h 40m
1 stop
GLA16:50Glasgow Intl
£644
Aer Lingus
22 Mar
GLA20:10Glasgow Intl
30h 10m
1 stop
SEA19:20Seattle/Tacoma Intl
29 Mar
SEA19:10Seattle/Tacoma Intl
12h 15m
1 stop
GLA15:25Glasgow Intl
£888

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 17 March 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

Tue 28/4

08:20-18:45

2 stops18h 25m

Seattle/Tacoma Intl

Tue 5/5

19:00-13:25

1 stop10h 25m

£464

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 28/4

08:20-22:53

3 stops22h 33m

Seattle/Tacoma Intl

Tue 5/5

19:00-13:25

1 stop10h 25m

£491

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 30/4

19:10-09:40

2 stops46h 30m

Seattle/Tacoma Intl

Mon 4/5

19:00-13:25

1 stop10h 25m

£501

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 30/4

19:10-09:40

2 stops46h 30m

Seattle/Tacoma Intl

Mon 4/5

19:00-13:25

1 stop10h 25m

£502

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 28/4

08:20-18:45

2 stops18h 25m

Seattle/Tacoma Intl

Thu 10/9

19:00-13:25

1 stop10h 25m

£504

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 29/4

07:45-17:10

1 stop17h 25m

Seattle/Tacoma Intl

Wed 6/5

19:10-14:55

1 stop11h 45m

£511

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 28/4

08:20-17:10

1 stop16h 50m

Seattle/Tacoma Intl

Tue 5/5

19:10-15:15

1 stop12h 05m

£519

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 29/4

07:45-20:40

2 stops20h 55m

Seattle/Tacoma Intl

Wed 6/5

15:40-21:15

2 stops21h 35m

£519
Fastest return journey

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 30/4

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Mon 4/5

19:00-13:25

1 stop10h 25m

£532

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 30/4

14:20-20:40

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/5

19:00-13:25

1 stop10h 25m

£533

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 cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Glasgow is in January. Flight prices, which tend to average around £494, 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 averaging around £538.

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

You are more likely to see cheaper flights to Seattle from Glasgow when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £620 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Glasgow for as low as £537 on momondo.

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

  • 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 £454Free CancellationRating
7.1
622 reviews
Search Icelandair flights
United AirlinesPriceFrom £462Free CancellationRating
7.4
9,433 reviews
Search United Airlines flights
British AirwaysPriceFrom £473Free CancellationRating
6.7
7,800 reviews
Search British Airways flights
KLMPriceFrom £492Free CancellationRating
7.8
1,473 reviews
Search KLM flights
Air FrancePriceFrom £514Free CancellationRating
7.4
1,546 reviews
Search Air France flights
LufthansaPriceFrom £514Free CancellationRating
6.8
7,858 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £594Free CancellationRating
7.5
682 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom £653Free CancellationRating
7.2
1,477 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
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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