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

Lufthansa, British Airways, and Icelandair 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 March 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.

$373 Cheap Flights from Glasgow to Seattle in 2026

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Find the cheapest flights from Glasgow to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 6:45 pm

GLA

SEA

18h 25m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$616Multiple Airlines

Tue, Apr 28 - Tue, May 5

8:20 am - 10:53 pm

GLA

SEA

22h 33m

3 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$652Multiple Airlines

Tue, Apr 28 - Tue, May 5

7:10 pm - 9:40 am

GLA

SEA

46h 30m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$665Multiple Airlines

Thu, Apr 30 - Mon, May 4

7:10 pm - 9:40 am

GLA

SEA

46h 30m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$667Multiple Airlines

Thu, Apr 30 - Mon, May 4

8:20 am - 6:45 pm

GLA

SEA

18h 25m

2 stops

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$670Multiple Airlines

Tue, Apr 28 - Thu, Sep 10

7:45 am - 5:10 pm

GLA

SEA

17h 25m

1 stop

7:10 pm - 2:55 pm

SEA

GLA

11h 45m

1 stop

$679Multiple Airlines

Wed, Apr 29 - Wed, May 6

8:20 am - 5:10 pm

GLA

SEA

16h 50m

1 stop

7:10 pm - 3:15 pm

SEA

GLA

12h 05m

1 stop

$689Multiple Airlines

Tue, Apr 28 - Tue, May 5

7:45 am - 8:40 pm

GLA

SEA

20h 55m

2 stops

3:40 pm - 9:15 pm

SEA

GLA

21h 35m

2 stops

$690Multiple Airlines

Wed, Apr 29 - Wed, May 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

$707Icelandair

Thu, Apr 30 - Mon, May 4

2:20 pm - 8:40 pm

GLA

SEA

14h 20m

1 stop

7:00 pm - 1:25 pm

SEA

GLA

10h 25m

1 stop

$708Icelandair

Thu, Apr 30 - Tue, May 5

Icelandair flights from Glasgow to Seattle

Our best Icelandair deals on Glasgow to Seattle flight tickets

Icelandair

Apr 30

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 4

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$707

Icelandair

Apr 30

GLA2:20 pmGlasgow Intl

14h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 5

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$708

Icelandair

Apr 27

GLA2:20 pmGlasgow Intl

11h 35m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

May 10

SEA7:00 pmSeattle/Tacoma Intl

10h 25m

1 stop

GLA1:25 pmGlasgow Intl

$710

British Airways flights from Glasgow to Seattle

Our best British Airways deals on Glasgow to Seattle flight tickets

British Airways

Apr 1

GLA6:25 amGlasgow Intl

13h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Apr 15

SEA7:10 pmSeattle/Tacoma Intl

12h 15m

1 stop

GLA3:25 pmGlasgow Intl

$1,218

British Airways

Apr 1

GLA1:20 pmGlasgow Intl

13h 05m

1 stop

SEA6:25 pmSeattle/Tacoma Intl

Apr 15

SEA2:10 pmSeattle/Tacoma Intl

17h 25m

2 stops

GLA3:35 pmGlasgow Intl

$1,234

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-6:45 pm

2 stops18h 25m

Seattle/Tacoma Intl

Tue 5/5

7:00 pm-1:25 pm

1 stop10h 25m

$616

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-10:53 pm

3 stops22h 33m

Seattle/Tacoma Intl

Tue 5/5

7:00 pm-1:25 pm

1 stop10h 25m

$652

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/30

7:10 pm-9:40 am

2 stops46h 30m

Seattle/Tacoma Intl

Mon 5/4

7:00 pm-1:25 pm

1 stop10h 25m

$665

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/30

7:10 pm-9:40 am

2 stops46h 30m

Seattle/Tacoma Intl

Mon 5/4

7:00 pm-1:25 pm

1 stop10h 25m

$667

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-6:45 pm

2 stops18h 25m

Seattle/Tacoma Intl

Thu 9/10

7:00 pm-1:25 pm

1 stop10h 25m

$670

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 4/29

7:45 am-5:10 pm

1 stop17h 25m

Seattle/Tacoma Intl

Wed 5/6

7:10 pm-2:55 pm

1 stop11h 45m

$679

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-5:10 pm

1 stop16h 50m

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-3:15 pm

1 stop12h 05m

$689

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Wed 4/29

7:45 am-8:40 pm

2 stops20h 55m

Seattle/Tacoma Intl

Wed 5/6

3:40 pm-9:15 pm

2 stops21h 35m

$690

Quickest round-trip

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/30

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Mon 5/4

7:00 pm-1:25 pm

1 stop10h 25m

$707

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 4/30

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/5

7:00 pm-1:25 pm

1 stop10h 25m

$708

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, 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 $714.

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 $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 for as low as $713 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 March 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 7,802 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?

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.