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

Icelandair 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.

$480 Cheap Flights from Glasgow to Seattle in 2026/27

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.

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$874Icelandair

Thu, Dec 10 - Fri, Dec 25

11:35 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$876Icelandair

Wed, Dec 9 - Fri, Dec 25

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

11h 35m1 stop Reykjavik Keflavik Intl

3:40 pm - 1:25 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

13h 45m1 stop Reykjavik Keflavik Intl

$879Icelandair

Wed, Mar 31 - Tue, Apr 27

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$884Icelandair

Thu, Nov 12 - Mon, Nov 16

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$885Icelandair

Thu, Nov 12 - Mon, Nov 16

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$887Icelandair

Thu, Nov 12 - Mon, Nov 16

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$889Icelandair

Thu, Nov 12 - Mon, Nov 16

11:55 am - 5:00 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 9:55 amSEA Seattle/Tacoma Intl-GLA Glasgow Intl

11h 20m1 stop Reykjavik Keflavik Intl

$898Icelandair

Tue, Dec 15 - Fri, Dec 25

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

11h 35m1 stop Reykjavik Keflavik Intl

7:00 pm - 1:25 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

10h 25m1 stop Reykjavik Keflavik Intl

$923Icelandair

Fri, Apr 2 - Thu, Apr 29

9:25 pm - 2:50 pmGLA Glasgow Intl-SEA Seattle/Tacoma Intl

25h 25m1 stop London Stansted

2:35 pm - 9:40 pmSEA Seattle/Tacoma Intl-GLA Glasgow Intl

23h 05m2 stops Reykjavik Keflavik Intl London Gatwick

$925Multiple Airlines

Sun, Dec 13 - Mon, Dec 28

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

British Airways flights from Glasgow to Seattle

Our best British Airways deals on Glasgow to Seattle flight tickets

British Airways

Apr 1

GLA7:00 amGlasgow Intl

12h 35m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Apr 28

SEA8:20 pmSeattle/Tacoma Intl

14h 25m

1 stop

GLA6:45 pmGlasgow Intl

$932

British Airways

Jan 16

GLA6:35 amGlasgow Intl

12h 50m

1 stop

SEA11:25 amSeattle/Tacoma Intl

Feb 13

SEA1:40 pmSeattle/Tacoma Intl

13h 10m

1 stop

GLA10:50 amGlasgow Intl

$936

British Airways

Jan 16

GLA6:35 amGlasgow Intl

21h 38m

2 stops

SEA8:13 pmSeattle/Tacoma Intl

Feb 13

SEA6:13 amSeattle/Tacoma Intl

20h 37m

2 stops

GLA10:50 amGlasgow Intl

$951

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets

Icelandair

Dec 10

GLA11:55 amGlasgow Intl

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Dec 25

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$874

Icelandair

Dec 9

GLA11:35 amGlasgow Intl

13h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Dec 25

SEA2:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$876

Icelandair

Mar 31

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

Apr 27

SEA3:40 pmSeattle/Tacoma Intl

13h 45m

1 stop

GLA1:25 pmGlasgow Intl

$879

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 12/10

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Fri 12/25

2:35 pm-9:55 am

1 stop11h 20m

$874

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 12/9

11:35 am-5:00 pm

1 stop13h 25m

Seattle/Tacoma Intl

Fri 12/25

2:35 pm-9:55 am

1 stop11h 20m

$876

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Wed 3/31

2:20 pm-5:55 pm

1 stop11h 35m

Seattle/Tacoma Intl

Tue 4/27

3:40 pm-1:25 pm

1 stop13h 45m

$879

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 11/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-9:55 am

1 stop11h 20m

$884

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 11/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-9:55 am

1 stop11h 20m

$885

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 11/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-9:55 am

1 stop11h 20m

$887

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Thu 11/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 11/16

2:35 pm-9:55 am

1 stop11h 20m

$889

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Tue 12/15

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Fri 12/25

2:35 pm-9:55 am

1 stop11h 20m

$898

Quickest round-trip

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Fri 4/2

2:20 pm-5:55 pm

1 stop11h 35m

Seattle/Tacoma Intl

Thu 4/29

7:00 pm-1:25 pm

1 stop10h 25m

$923

GlasgowSeattle

GLA Glasgow Intl - SEA Seattle/Tacoma Intl

GLASEA

Glasgow Intl

Sun 12/13

9:25 pm-2:50 pm

1 stop25h 25m

Seattle/Tacoma Intl

Mon 12/28

2:35 pm-9:40 pm

2 stops23h 05m

$925

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 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 $746.

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	$480
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to Seattle from Glasgow in the past 72 hours is $480. The best round-trip flight deal from Glasgow to Seattle found on momondo in the last 72 hours is $874.

The fastest flight from Glasgow to Seattle takes 13h 05m

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 05m 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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Redmond

Kent

Federal Way

Lakewood

Fife

Lynnwood

Puyallup

Tukwila

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.