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 many operators does momondo search for flights from Glasgow to Seattle/Tacoma Intl Airport?

As of January 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.

$415 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 $648 to $822. The lowest price recently found on this route was $427.

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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.

12:35 pm - 5:00 pm

GLA

SEA

12h 25m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$427Icelandair

Sat, Mar 7 - Tue, Mar 17

12:35 pm - 6:00 pm

GLA

SEA

12h 25m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$431Icelandair

Sun, Mar 8 - Mon, Mar 16

12:35 pm - 6:00 pm

GLA

SEA

12h 25m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$453Icelandair

Wed, Mar 11 - Mon, Mar 16

9:45 am - 5:55 pm

GLA

SEA

15h 10m

1 stop

7:50 pm - 4:40 pm

SEA

GLA

13h 50m

1 stop

$515British Airways

Mon, Mar 9 - Sun, Mar 15

10:50 am - 5:55 pm

GLA

SEA

14h 05m

1 stop

7:50 pm - 7:25 pm

SEA

GLA

16h 35m

1 stop

$516British Airways

Tue, Mar 10 - Sun, Mar 15

12:35 pm - 5:00 pm

GLA

SEA

12h 25m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$527Icelandair

Fri, Mar 6 - Tue, Mar 17

9:55 am - 5:55 pm

GLA

SEA

15h 00m

1 stop

7:50 pm - 4:40 pm

SEA

GLA

13h 50m

1 stop

$544British Airways

Thu, Mar 12 - Sun, Mar 15

8:15 am - 4:55 pm

GLA

SEA

16h 40m

1 stop

7:50 pm - 4:40 pm

SEA

GLA

13h 50m

1 stop

$545British Airways

Fri, Mar 6 - Sun, Mar 15

6:35 am - 11:30 am

GLA

SEA

12h 55m

1 stop

7:50 pm - 4:40 pm

SEA

GLA

13h 50m

1 stop

$546British Airways

Fri, Mar 6 - Sun, Mar 15

12:35 pm - 5:00 pm

GLA

SEA

12h 25m

1 stop

3:35 pm - 9:55 am

SEA

GLA

11h 20m

1 stop

$581Icelandair

Wed, Mar 4 - Sun, Mar 8

Lufthansa flights from Glasgow to Seattle

Our best Lufthansa deals on Glasgow to Seattle flight tickets

Lufthansa

Mar 4

GLA12:50 pmGlasgow Intl

31h 20m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

Mar 8

SEA7:00 amSeattle/Tacoma Intl

22h 05m

2 stops

GLA12:05 pmGlasgow Intl

$634

Lufthansa

Mar 9

GLA6:10 amGlasgow Intl

14h 00m

1 stop

SEA1:10 pmSeattle/Tacoma Intl

Mar 16

SEA7:00 amSeattle/Tacoma Intl

21h 50m

2 stops

GLA11:50 amGlasgow Intl

$644

Lufthansa

Mar 9

GLA6:10 amGlasgow Intl

19h 53m

2 stops

SEA7:03 pmSeattle/Tacoma Intl

Mar 16

SEA7:00 amSeattle/Tacoma Intl

21h 50m

2 stops

GLA11:50 amGlasgow Intl

$650

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets

Icelandair

Mar 7

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Mar 17

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$427

Icelandair

Mar 8

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

Mar 16

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$431

Icelandair

Mar 11

GLA12:35 pmGlasgow Intl

12h 25m

1 stop

SEA6:00 pmSeattle/Tacoma Intl

Mar 16

SEA3:35 pmSeattle/Tacoma Intl

11h 20m

1 stop

GLA9:55 amGlasgow Intl

$453

Fly from

Fly to

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 3/7

12:35 pm-5:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-9:55 am

1 stop11h 20m

$427

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 3/8

12:35 pm-6:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Mon 3/16

3:35 pm-9:55 am

1 stop11h 20m

$431

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 3/11

12:35 pm-6:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Mon 3/16

3:35 pm-9:55 am

1 stop11h 20m

$453

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 3/9

9:45 am-5:55 pm

1 stop15h 10m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-4:40 pm

1 stop13h 50m

$515

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 3/10

10:50 am-5:55 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-7:25 pm

1 stop16h 35m

$516

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 3/6

12:35 pm-5:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Tue 3/17

3:35 pm-9:55 am

1 stop11h 20m

$527

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 3/12

9:55 am-5:55 pm

1 stop15h 00m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-4:40 pm

1 stop13h 50m

$544

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 3/6

8:15 am-4:55 pm

1 stop16h 40m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-4:40 pm

1 stop13h 50m

$545

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 3/6

6:35 am-11:30 am

1 stop12h 55m

Seattle/Tacoma Intl

Sun 3/15

7:50 pm-4:40 pm

1 stop13h 50m

$546

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 3/4

12:35 pm-5:00 pm

1 stop12h 25m

Seattle/Tacoma Intl

Sun 3/8

3:35 pm-9:55 am

1 stop11h 20m

$581

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, January 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 $656. If you don’t want to visit Seattle in January, then you should wait until November to fly from Glasgow, when ticket prices are also cheap, with an average price of $710.

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 $825 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Glasgow for as low as $736 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?
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 January 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 $551	Free Cancellation	Rating 6.7 7,699 reviews		Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Cle Elum

Tukwila

Lakewood

Federal Way

Centralia

Westport

Kirkland

Fife

Tumwater

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.