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

British Airways is the most popular carrier 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 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.

$402 Cheap Flights from Glasgow to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

2:20 pm - 5:55 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

11h 35m1 stop Reykjavik Keflavik Intl

3:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$654Icelandair

Thu, Oct 22 - Thu, Oct 29

10:55 am - 4:50 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 55m1 stop London Heathrow

6:45 pm - 6:25 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

15h 40m1 stop London Heathrow

$722British Airways

Fri, Nov 13 - Mon, Nov 30

6:00 am - 11:52 amGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 52m1 stop Amsterdam Schiphol

5:45 pm - 4:10 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

14h 25m1 stop Amsterdam Schiphol

$725Air France

Wed, Oct 7 - Sun, Oct 11

9:25 pm - 5:10 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

27h 45m1 stop Dublin

6:45 pm - 5:10 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

14h 25m1 stop London Heathrow

$729British Airways

Sat, Oct 10 - Sat, Nov 7

9:25 pm - 5:10 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

27h 45m1 stop Dublin

9:15 am - 10:50 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

17h 35m2 stops Philadelphia London Heathrow

$733British Airways

Sat, Oct 10 - Sat, Nov 7

2:20 pm - 8:40 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

14h 20m1 stop Reykjavik Keflavik Intl

3:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$736Icelandair

Tue, Oct 6 - Tue, Oct 27

11:40 am - 11:42 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

20h 02m2 stops London Heathrow Dallas/Fort Worth

6:45 pm - 7:20 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

16h 35m1 stop London Heathrow

$737British Airways

Sun, Nov 1 - Sun, Nov 8

7:00 am - 8:40 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

21h 40m2 stops London Gatwick Reykjavik Keflavik Intl

3:35 pm - 8:05 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

21h 30m2 stops Reykjavik Keflavik Intl London Gatwick

$742Multiple Airlines

Thu, Oct 22 - Thu, Oct 29

9:10 am - 4:35 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

15h 25m1 stop Amsterdam Schiphol

10:59 pm - 8:25 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

25h 26m2 stops New York John F Kennedy Intl Amsterdam Schiphol

$744KLM

Tue, Oct 6 - Sat, Oct 10

6:00 am - 11:52 amGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 52m1 stop Amsterdam Schiphol

3:25 pm - 4:30 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

18h 05m1 stop Amsterdam Schiphol

$746Delta

Tue, Oct 6 - Tue, Oct 27

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Glasgow to Seattle

Our best United Airlines deals on Glasgow to Seattle flight tickets

United Airlines

Oct 6

GLA2:00 pmGlasgow Intl

37h 29m

2 stops

SEA7:29 pmSeattle/Tacoma Intl

Oct 15

SEA1:00 pmSeattle/Tacoma Intl

13h 10m

1 stop

GLA10:10 amGlasgow Intl

$784

United Airlines

Oct 6

GLA2:00 pmGlasgow Intl

27h 36m

2 stops

SEA9:36 amSeattle/Tacoma Intl

Oct 15

SEA5:00 amSeattle/Tacoma Intl

21h 10m

3 stops

GLA10:10 amGlasgow Intl

$906

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets

Icelandair

Oct 22

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Oct 29

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$654

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

$736

Icelandair

Oct 6

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Oct 10

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$777

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 10/22

2:20 pm-5:55 pm

1 stop11h 35m

Seattle/Tacoma Intl

Thu 10/29

3:35 pm-9:55 am

1 stop11h 20m

$654

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Fri 11/13

10:55 am-4:50 pm

1 stop13h 55m

Seattle/Tacoma Intl

Mon 11/30

6:45 pm-6:25 pm

1 stop15h 40m

$722

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 10/7

6:00 am-11:52 am

1 stop13h 52m

Seattle/Tacoma Intl

Sun 10/11

5:45 pm-4:10 pm

1 stop14h 25m

$725

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sat 10/10

9:25 pm-5:10 pm

1 stop27h 45m

Seattle/Tacoma Intl

Sat 11/7

6:45 pm-5:10 pm

1 stop14h 25m

$729

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sat 10/10

9:25 pm-5:10 pm

1 stop27h 45m

Seattle/Tacoma Intl

Sat 11/7

9:15 am-10:50 am

2 stops17h 35m

$733

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

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

$736

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sun 11/1

11:40 am-11:42 pm

2 stops20h 02m

Seattle/Tacoma Intl

Sun 11/8

6:45 pm-7:20 pm

1 stop16h 35m

$737

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 10/22

7:00 am-8:40 pm

2 stops21h 40m

Seattle/Tacoma Intl

Thu 10/29

3:35 pm-8:05 pm

2 stops21h 30m

$742

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 10/6

9:10 am-4:35 pm

1 stop15h 25m

Seattle/Tacoma Intl

Sat 10/10

10:59 pm-8:25 am

2 stops25h 26m

$744

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 10/6

6:00 am-11:52 am

1 stop13h 52m

Seattle/Tacoma Intl

Tue 10/27

3:25 pm-4:30 pm

1 stop18h 05m

$746

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?

Prices are currently low for flights on this route.

Typical prices usually range from $834 to $1,019.
The lowest price recently found on this route was $654.

What is the cheapest month to fly to Seattle?

In general, February 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 $0. If you don’t want to visit Seattle in February, then you should wait until January to fly from Glasgow, when ticket prices are also cheap, with an average price of $656.

Cheap Glasgow to Seattle flight deals and tips

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

Best Price Found	$402
Fastest flight time	13h 55m
Direct flights	None

The best one-way flight to Seattle from Glasgow in the past 72 hours is $402. The best round-trip flight deal from Glasgow to Seattle found on momondo in the last 72 hours is $654.

The fastest flight from Glasgow to Seattle takes 13h 55m

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. 13h 55m 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 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 $834	Free Cancellation	Rating 6.7 8,229 reviews		Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Kent

Olympia

Redmond

Lakewood

Federal Way

Fife

Puyallup

Tukwila

Lynnwood

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why use momondo?

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.