What is the cheapest airline that flies from Glasgow to Seattle/Tacoma Intl?

WestJet and United Airlines are the most popular carriers operating from Glasgow to Seattle/Tacoma Intl

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?

As of May 2026, there is 1 operator available to choose from 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?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.

$420 Cheap Flights from Glasgow to Seattle in 2026

Q: What is the typical price of a round-trip flight between Glasgow and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $956 to $806. The lowest price recently found on this route was $710.

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Find the cheapest flights from Glasgow to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:05 am - 5:10 pm

GLA

SEA

16h 05m

1 stop

7:10 pm - 2:55 pm

SEA

GLA

11h 45m

1 stop

$710Multiple Airlines

Thu, Jun 4 - Thu, Jun 11

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$809Icelandair

Tue, Oct 6 - Tue, Oct 27

9:25 am - 5:10 pm

GLA

SEA

15h 45m

1 stop

7:10 pm - 8:15 pm

SEA

GLA

17h 05m

1 stop

$853Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

9:25 am - 5:10 pm

GLA

SEA

15h 45m

1 stop

7:10 pm - 9:20 pm

SEA

GLA

18h 10m

1 stop

$875Multiple Airlines

Mon, Jun 1 - Sun, Jun 7

2:30 pm - 8:40 pm

GLA

SEA

14h 10m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$882Icelandair

Mon, May 18 - Mon, Jun 8

11:00 am - 10:05 am

GLA

SEA

31h 05m

3 stops

3:00 pm - 9:40 am

SEA

GLA

34h 40m

3 stops

$898Multiple Airlines

Mon, May 18 - Mon, Jun 8

12:00 pm - 5:10 pm

GLA

SEA

13h 10m

1 stop

7:10 pm - 4:50 pm

SEA

GLA

13h 40m

1 stop

$902Aer Lingus

Tue, Jun 23 - Tue, Jun 30

11:00 am - 10:05 am

GLA

SEA

31h 05m

3 stops

3:00 pm - 9:40 am

SEA

GLA

34h 40m

2 stops

$906Multiple Airlines

Mon, May 18 - Mon, Jun 8

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

2:12 pm - 3:50 pm

SEA

GLA

18h 38m

2 stops

$916Multiple Airlines

Tue, Oct 6 - Tue, Oct 27

12:00 pm - 5:10 pm

GLA

SEA

13h 10m

1 stop

7:10 pm - 4:50 pm

SEA

GLA

13h 40m

1 stop

$918Aer Lingus

Mon, Jun 22 - Sun, Jun 28

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets

Icelandair

Oct 6

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Oct 27

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$809

Icelandair

May 18

GLA2:30 pmGlasgow Intl

14h 10m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Jun 8

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$882

Icelandair

Aug 19

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Aug 24

SEA3:40 pmSeattle/Tacoma Intl

13h 45m

1 stop

GLA1:25 pmGlasgow Intl

$922

Aer Lingus flights from Glasgow to Seattle

Our best Aer Lingus deals on Glasgow to Seattle flight tickets

Aer Lingus

Jun 23

GLA12:00 pmGlasgow Intl

13h 10m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Jun 30

SEA7:10 pmSeattle/Tacoma Intl

13h 40m

1 stop

GLA4:50 pmGlasgow Intl

$902

Aer Lingus

Jun 22

GLA12:00 pmGlasgow Intl

13h 10m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Jun 28

SEA7:10 pmSeattle/Tacoma Intl

13h 40m

1 stop

GLA4:50 pmGlasgow Intl

$918

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 6/4

9:05 am-5:10 pm

1 stop16h 05m

Seattle/Tacoma Intl

Thu 6/11

7:10 pm-2:55 pm

1 stop11h 45m

$710

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 10/6

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 10/27

3:35 pm-9:55 am

1 stop11h 20m

$809

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 6/15

9:25 am-5:10 pm

1 stop15h 45m

Seattle/Tacoma Intl

Mon 6/22

7:10 pm-8:15 pm

1 stop17h 05m

$853

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 6/1

9:25 am-5:10 pm

1 stop15h 45m

Seattle/Tacoma Intl

Sun 6/7

7:10 pm-9:20 pm

1 stop18h 10m

$875

Quickest round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/18

2:30 pm-8:40 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 6/8

7:00 pm-1:25 pm

1 stop10h 25m

$882

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/18

11:00 am-10:05 am

3 stops31h 05m

Seattle/Tacoma Intl

Mon 6/8

3:00 pm-9:40 am

3 stops34h 40m

$898

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 6/23

12:00 pm-5:10 pm

1 stop13h 10m

Seattle/Tacoma Intl

Tue 6/30

7:10 pm-4:50 pm

1 stop13h 40m

$902

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 5/18

11:00 am-10:05 am

3 stops31h 05m

Seattle/Tacoma Intl

Mon 6/8

3:00 pm-9:40 am

2 stops34h 40m

$906

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 10/6

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 10/27

2:12 pm-3:50 pm

2 stops18h 38m

$916

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 6/22

12:00 pm-5:10 pm

1 stop13h 10m

Seattle/Tacoma Intl

Sun 6/28

7:10 pm-4:50 pm

1 stop13h 40m

$918

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 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

Prices

Airlines

What is the typical price of a round-trip flight between Glasgow and Seattle?

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Glasgow to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $577. If you don’t want to visit Seattle in April, then you should wait until March to fly from Glasgow, when ticket prices are also cheap, with an average price of $577.

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?
The distance between Glasgow and Seattle/Tacoma Intl is about 4441.7 mi. 11h 35m is a normal flight duration for this route.
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?
As of May 2026, there is 1 operator available to choose from 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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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
British Airways	PriceFrom $783	Free Cancellation	Rating 6.7 7,940 reviews		Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Redmond

Kent

Marysville

Puyallup

Tukwila

Lakewood

Cle Elum

Federal Way

Centralia

Fife

Shoreline

Westport

Tumwater

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

It is quick and easy to find Glasgow to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Glasgow.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Glasgow and alert you when they change.