Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Glasgow Intl Airport to Seattle from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Seattle departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Glasgow Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 pm - 7:23 pm
GLA
-
SEA
29h 38m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$557Multiple Airlines
Mon, Apr 27 - Sat, May 9
Multiple Airlines Logo
9:45 pm - 7:23 pm
GLA
-
SEA
29h 38m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$596Multiple Airlines
Mon, Apr 27 - Fri, May 8
Icelandair Logo
2:20 pm - 8:40 pm
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$614Icelandair
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
8:20 am - 6:45 pm
GLA
-
SEA
18h 25m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$636Multiple Airlines
Tue, Apr 28 - Tue, May 12
Icelandair Logo
2:20 pm - 8:40 pm
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$656Icelandair
Fri, May 1 - Tue, May 5
Multiple Airlines Logo
9:45 pm - 7:23 pm
GLA
-
SEA
29h 38m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$664Multiple Airlines
Mon, Apr 27 - Wed, May 6
Multiple Airlines Logo
8:20 am - 6:45 pm
GLA
-
SEA
18h 25m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$674Multiple Airlines
Tue, Apr 28 - Fri, May 8
Icelandair Logo
2:20 pm - 8:40 pm
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
3:40 pm - 1:25 pm
SEA
-
GLA
13h 45m
1 stop
$692Icelandair
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
8:00 am - 6:45 pm
GLA
-
SEA
18h 45m
2 stops
Multiple Airlines Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$728Multiple Airlines
Sun, Apr 26 - Sun, May 10
Icelandair Logo
2:20 pm - 8:40 pm
GLA
-
SEA
14h 20m
1 stop
Icelandair Logo
7:00 pm - 1:25 pm
SEA
-
GLA
10h 25m
1 stop
$737Icelandair
Sat, Apr 25 - Sat, May 9

Icelandair flights from Glasgow Intl Airport to Seattle

Our best Icelandair deals on Glasgow Intl Airport to Seattle flight tickets
Icelandair
May 1
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
$614
Icelandair
May 1
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
$656
Icelandair
May 14
GLA2:20 pmGlasgow Intl
14h 20m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
May 21
SEA3:40 pmSeattle/Tacoma Intl
13h 45m
1 stop
GLA1:25 pmGlasgow Intl
$692

British Airways flights from Glasgow Intl Airport to Seattle

Our best British Airways deals on Glasgow Intl Airport to Seattle flight tickets
British Airways
Apr 26
GLA9:15 pmGlasgow Intl
22h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
May 6
SEA1:35 pmSeattle/Tacoma Intl
24h 00m
1 stop
GLA9:35 pmGlasgow Intl
$867
British Airways
May 1
GLA9:30 amGlasgow Intl
21h 08m
2 stops
SEA10:38 pmSeattle/Tacoma Intl
May 5
SEA11:16 amSeattle/Tacoma Intl
17h 59m
2 stops
GLA1:15 pmGlasgow Intl
$902
British Airways
May 1
GLA5:50 amGlasgow Intl
24h 48m
2 stops
SEA10:38 pmSeattle/Tacoma Intl
May 5
SEA11:16 amSeattle/Tacoma Intl
19h 24m
2 stops
GLA2:40 pmGlasgow Intl
$903

momondo Fare Finder

 
Customize your flight search to find flights from Glasgow Intl Airport to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 4/27

9:45 pm-7:23 pm

2 stops29h 38m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-1:25 pm

1 stop10h 25m

$557

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 4/27

9:45 pm-7:23 pm

2 stops29h 38m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-1:25 pm

1 stop10h 25m

$596

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 5/1

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/5

7:00 pm-1:25 pm

1 stop10h 25m

$614

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-6:45 pm

2 stops18h 25m

Seattle/Tacoma Intl

Tue 5/12

7:00 pm-1:25 pm

1 stop10h 25m

$636

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Fri 5/1

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/5

7:00 pm-1:25 pm

1 stop10h 25m

$656

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Mon 4/27

9:45 pm-7:23 pm

2 stops29h 38m

Seattle/Tacoma Intl

Wed 5/6

7:00 pm-1:25 pm

1 stop10h 25m

$664

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Tue 4/28

8:20 am-6:45 pm

2 stops18h 25m

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-1:25 pm

1 stop10h 25m

$674

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Thu 5/14

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Thu 5/21

3:40 pm-1:25 pm

1 stop13h 45m

$692

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sun 4/26

8:00 am-6:45 pm

2 stops18h 45m

Seattle/Tacoma Intl

Sun 5/10

7:00 pm-1:25 pm

1 stop10h 25m

$728

GlasgowSeattle

GLA - SEA

GLASEA

Glasgow Intl

Sat 4/25

2:20 pm-8:40 pm

1 stop14h 20m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-1:25 pm

1 stop10h 25m

$737

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Glasgow Intl Airport 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

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

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Glasgow Intl Airport 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 Intl Airport, 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 Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $820 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Glasgow Intl Airport for as low as $736 on momondo.

Can stopping save me money on Glasgow Intl Airport to Seattle flights?

You could potentially save up to 10% on your flight if you consider stops on a Glasgow Intl Airport to Seattle flight.

How have Glasgow Intl Airport to Seattle flight prices changed over time?

When to book flights from Glasgow Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Glasgow Intl Airport to Seattle (GLA to SEA) flight deals and tips

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Glasgow Intl Airport to Seattle takes 11h 35m
There are no direct flights from Glasgow Intl Airport to Seattle. There are no popular flight routes from Glasgow Intl Airport to Seattle.
Search flight deals

  • How far is Glasgow Intl to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 4436.4 mi away from Glasgow Intl. In terms of flight time, this usually takes a little over 11h 35m.

  • When did momondo last update prices for flights from Glasgow Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Glasgow Intl Airport to Seattle/Tacoma Intl Airport were last updated today.

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

  • How old do you have to be to fly from Glasgow Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Glasgow Intl Airport to Seattle?

Best airlines flying from Glasgow Intl Airport to Seattle

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $814Free CancellationRating
6.7
7,715 reviews
Search British Airways flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Glasgow.

Can I find flights from Glasgow to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Glasgow which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Glasgow to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Glasgow to Seattle.

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

Yes. momondo can track prices for Glasgow to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/6
Fri 3/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States