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?

As of March 2026, there is 1 operator available to choose from 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$373 Cheap Flights from Glasgow Intl Airport to Seattle in 2026

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Find the cheapest flights from Glasgow Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:25 am - 5:10 pm

GLA

SEA

15h 45m

1 stop

7:10 pm - 8:15 pm

SEA

GLA

17h 05m

1 stop

$710Multiple Airlines

Mon, May 4 - Mon, May 11

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$730Icelandair

Thu, May 21 - Sat, Jun 6

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$731Icelandair

Tue, Apr 28 - Wed, May 6

9:45 pm - 9:40 am

GLA

SEA

43h 55m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$738Multiple Airlines

Mon, May 4 - Mon, May 11

10:00 pm - 9:40 am

GLA

SEA

43h 40m

2 stops

7:00 pm - 1:35 pm

SEA

GLA

10h 35m

1 stop

$754Multiple Airlines

Sat, May 2 - Sat, May 9

2:20 pm - 5:55 pm

GLA

SEA

11h 35m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$766Icelandair

Wed, Apr 22 - Sun, Apr 26

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

3:40 pm - 1:25 pm

SEA

GLA

13h 45m

1 stop

$768Icelandair

Wed, Apr 22 - Sun, Apr 26

9:40 pm - 9:40 am

GLA

SEA

44h 00m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$775Multiple Airlines

Thu, May 21 - Sat, Jun 6

8:20 am - 6:45 pm

GLA

SEA

18h 25m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$779Multiple Airlines

Tue, Apr 28 - Wed, May 6

2:30 pm - 5:55 pm

GLA

SEA

11h 25m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$796Icelandair

Fri, May 15 - Mon, May 25

Icelandair flights from Glasgow Intl Airport to Seattle

Our best Icelandair deals on Glasgow Intl Airport to Seattle flight tickets

Icelandair

May 21

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Jun 6

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$730

Icelandair

Apr 28

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 6

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$731

Icelandair

Apr 22

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Apr 26

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$766

British Airways flights from Glasgow Intl Airport to Seattle

Our best British Airways deals on Glasgow Intl Airport to Seattle flight tickets

British Airways

Sep 6

GLA3:40 pmGlasgow Intl

34h 45m

1 stop

SEA6:25 pmSeattle/Tacoma Intl

Sep 15

SEA8:20 pmSeattle/Tacoma Intl

14h 20m

1 stop

GLA6:40 pmGlasgow Intl

$913

British Airways

Sep 6

GLA3:40 pmGlasgow Intl

27h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 16

SEA8:20 pmSeattle/Tacoma Intl

27h 20m

1 stop

GLA7:40 amGlasgow Intl

$924

British Airways

Sep 6

GLA9:15 pmGlasgow Intl

22h 20m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 15

SEA2:05 pmSeattle/Tacoma Intl

18h 40m

2 stops

GLA4:45 pmGlasgow Intl

$930

momondo Fare Finder

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 round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/4

9:25 am-5:10 pm

1 stop15h 45m

Seattle/Tacoma Intl

Mon 5/11

7:10 pm-8:15 pm

1 stop17h 05m

$710

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/21

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Sat 6/6

7:00 pm-1:25 pm

1 stop10h 25m

$730

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Wed 5/6

7:00 pm-1:25 pm

1 stop10h 25m

$731

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/4

9:45 pm-9:40 am

2 stops43h 55m

Seattle/Tacoma Intl

Mon 5/11

7:00 pm-1:25 pm

1 stop10h 25m

$738

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 5/2

10:00 pm-9:40 am

2 stops43h 40m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-1:35 pm

1 stop10h 35m

$754

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 4/22

2:20 pm-5:55 pm

1 stop11h 35m

Seattle/Tacoma Intl

Sun 4/26

7:00 pm-1:25 pm

1 stop10h 25m

$766

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 4/22

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Sun 4/26

3:40 pm-1:25 pm

1 stop13h 45m

$768

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/21

9:40 pm-9:40 am

2 stops44h 00m

Seattle/Tacoma Intl

Sat 6/6

7:00 pm-1:25 pm

1 stop10h 25m

$775

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-6:45 pm

2 stops18h 25m

Seattle/Tacoma Intl

Wed 5/6

7:00 pm-1:25 pm

1 stop10h 25m

$779

Quickest round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 5/15

2:30 pm-5:55 pm

1 stop11h 25m

Seattle/Tacoma Intl

Mon 5/25

7:00 pm-1:25 pm

1 stop10h 25m

$796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Glasgow Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $656. If you don’t want to visit Seattle in January, then you should wait until November to fly from Glasgow Intl Airport, when ticket prices are also cheap, with an average price of $714.

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

You are more likely to see cheaper flights to Seattle from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $824 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Glasgow Intl Airport for as low as $713 on momondo.

Can stopping save me money on Glasgow Intl Airport to Seattle flights?

You could potentially save up to 32% on your flight if you consider stops on a Glasgow Intl Airport to Seattle flight.

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

As of March 2026, prices for Glasgow Intl Airport to Seattle flights are approximately 21% cheaper when compared to flights at the same time last year.

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 round-trip 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	11h 35m
Direct flights	None

The fastest flight from Glasgow Intl Airport to Seattle takes 11h 35m

There are no direct flights from Glasgow Intl Airport to Seattle. There are no popular flight routes from Glasgow Intl Airport to Seattle.

Search flight deals

How far is Glasgow Intl to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4436.4 mi away from Glasgow Intl. In terms of flight time, this usually takes a little over 11h 35m.
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?
As of March 2026, there is 1 operator available to choose from 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Glasgow Intl Airport to Seattle?
momondo data reveals that the most frequently booked airline on the route from Glasgow Intl Airport to Seattle is British Airways, representing 100% of all bookings.

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
British Airways	PriceFrom $814	Free Cancellation	Rating 6.7 7,813 reviews		Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

Tumwater

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?

momondo does allow users to show only those flights to Seattle from Glasgow which offer a flexible booking policy as well as other useful filters and features.

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

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 Glasgow to Seattle.

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

Yes. momondo can track prices for Glasgow to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.