What’s the cheapest stopover airport for flights from Seattle to Glasgow Intl Airport?

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £505.

What’s the top stopover airport for flights from Seattle to Glasgow Intl Airport?

Reykjavik (KEF) – chosen by Cheapflights users on 71% of one-stop itineraries from Seattle to Glasgow Intl Airport on Cheapflights.

Which airport typically offers the quickest stopover for flights from Seattle to Glasgow Intl Airport?

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 33m.

What’s the fastest stopover option from Seattle to Glasgow Intl Airport?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 49m.

How long is the flight from Seattle to Glasgow Intl Airport?

A quick flight from Seattle to Glasgow Intl Airport can take about 11h 20m. Icelandair provides one of the quickest options available for as low as £375. There are 4445 mi between Seattle and Glasgow Intl Airport.

What is the cheapest airline to fly from Seattle to Glasgow Intl Airport round-trip?

Our cheapest airline available from Seattle to Glasgow Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £410 on this airline. Icelandair is currently priced 33% below the average price you’ll pay for this route.

What is the cheapest day to fly from Seattle to Glasgow Intl Airport?

Travellers seeking maximum savings on their Seattle to Glasgow Intl Airport flight should consider departing on Wednesday at midday when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

If weather is an important factor for your trip to Glasgow Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What airport do you fly from for flights from Seattle to Glasgow Intl?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Glasgow Intl. On average, Seattle/Tacoma Intl has 0 outbound flights to Glasgow Intl per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Can I find deals for flights from Seattle to Glasgow Intl that include hotel bookings?

Yes. In addition to deals on Seattle to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Seattle to Glasgow Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Glasgow Intl.

Can I find deals for business class flights from Seattle to Glasgow Intl?

Yes. Cheapflights offers flight deals from Seattle to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£252+ Cheap Flights from Seattle to Glasgow Intl Airport

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Glasgow Intl are usually found in November or March, booked 36 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Glasgow Intl

Round-trip from	£328
One-way from	£252
Popular in	June
Cheapest in	November
Average price	£562

2/11-11/11
4 total stops
39h 35m total
Seattle to Glasgow

Search Deals

26/11
3 total stops
48h 40m total
Seattle to Glasgow

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£83 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Seattle to Glasgow Intl

Cheapest flights from Seattle to Glasgow Intl
Explore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sun 2/1114:35SEA - GLA

2 stops23h 00mMultiple Airlines

Tue 11/1108:25GLA - SEA

2 stops16h 35mMultiple Airlines

Deal found 15/9£328

Fri 31/1015:35SEA - GLA

2 stops22h 10mMultiple Airlines

Fri 7/1108:25GLA - SEA

2 stops16h 35mMultiple Airlines

Deal found 16/9£356

Fri 31/1015:35SEA - GLA

1 stop11h 20mIcelandair

Fri 7/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 16/9£374

Sat 1/1115:35SEA - GLA

1 stop11h 20mIcelandair

Wed 12/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£375

Tue 7/1019:00SEA - GLA

1 stop10h 25mIcelandair

Wed 22/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 15/9£376

Thu 2/1019:00SEA - GLA

1 stop10h 25mIcelandair

Thu 16/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 16/9£378

Mon 27/1015:35SEA - GLA

1 stop11h 20mIcelandair

Mon 3/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£387

Tue 30/915:45SEA - GLA

1 stop13h 40mIcelandair

Fri 17/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£390

Sun 5/1015:45SEA - GLA

1 stop13h 40mIcelandair

Sat 18/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£395

Mon 29/919:00SEA - GLA

1 stop10h 25mIcelandair

Thu 16/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 16/9£400

Sat 1/1115:35SEA - GLA

1 stop11h 20mIcelandair

Sat 15/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£411

Best flights from Seattle to Glasgow Intl
Discover carefully curated flight deals from Seattle to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Mon 3/1114:35SEA - GLA

1 stop11h 20mIcelandair

Wed 12/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£375

Mon 19/118:50SEA - GLA

1 stop15h 25mBritish Airways

Thu 29/119:05GLA - SEA

1 stop24h 25mBritish Airways

Deal found 16/9£466

Wed 21/113:40SEA - GLA

2 stops18h 10mAmerican Airlines

Tue 27/110:50GLA - SEA

2 stops19h 29mAmerican Airlines

Deal found 15/9£475

Tue 7/1010:00SEA - GLA

2 stops18h 20mLufthansa

Wed 22/1006:10GLA - SEA

2 stops16h 06mLufthansa

Deal found 15/9£482

Mon 3/1114:35SEA - GLA

2 stops17h 40mMultiple Airlines

Wed 12/1107:00GLA - SEA

2 stops18h 00mMultiple Airlines

Deal found 15/9£485

Sat 7/214:35SEA - GLA

1 stop11h 20mIcelandair

Sat 14/212:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£378

Sun 1/314:35SEA - GLA

1 stop11h 20mIcelandair

Thu 5/312:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 14/9£394

Sat 4/1015:45SEA - GLA

1 stop13h 40mIcelandair

Sat 18/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£395

Wed 10/1213:28SEA - GLA

2 stops18h 22mBritish Airways

Wed 24/1211:40GLA - SEA

1 stop13h 15mBritish Airways

Deal found 16/9£479

Mon 3/1118:50SEA - GLA

1 stop13h 45mBritish Airways

Wed 12/1108:40GLA - SEA

2 stops22h 38mBritish Airways

Deal found 15/9£480

Wed 15/1019:00SEA - GLA

1 stop10h 25mIcelandair

Mon 20/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 17/9£449

Last-minute flights from Seattle to Glasgow Intl
Discover last-minute flight deals from Seattle to Glasgow Intl. Data last updated 17 September 2025 and is based on user searches.

Mon 29/919:00SEA - GLA

1 stop10h 25mIcelandair

Fri 17/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£400

Tue 30/915:45SEA - GLA

1 stop13h 40mIcelandair

Fri 17/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£390

Thu 2/1019:00SEA - GLA

1 stop10h 25mIcelandair

Thu 16/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 16/9£378

Thu 2/1019:00SEA - GLA

1 stop10h 25mIcelandair

Wed 15/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 16/9£439

Sun 5/1015:45SEA - GLA

1 stop13h 40mIcelandair

Sat 18/1014:20GLA - SEA

1 stop14h 20mIcelandair

Deal found 16/9£395

Tue 7/1019:00SEA - GLA

1 stop10h 25mIcelandair

Wed 22/1014:20GLA - SEA

1 stop11h 30mIcelandair

Deal found 15/9£376

Mon 27/1015:35SEA - GLA

1 stop11h 20mIcelandair

Mon 3/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 15/9£387

Wed 29/1015:35SEA - GLA

1 stop11h 20mIcelandair

Wed 5/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 16/9£448

Fri 31/1015:35SEA - GLA

2 stops22h 10mMultiple Airlines

Fri 7/1108:25GLA - SEA

2 stops16h 35mMultiple Airlines

Deal found 16/9£356

Fri 31/1015:35SEA - GLA

1 stop11h 20mIcelandair

Fri 7/1112:35GLA - SEA

1 stop12h 25mIcelandair

Deal found 16/9£374

One-way flights from Seattle to Glasgow Intl
Search for one-way flight options from Seattle to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Wed 26/1123:10SEA - GLA

3 stops48h 40mMultiple Airlines

Deal found 15/9£252

Sat 27/921:39SEA - GLA

2 stops52h 36mMultiple Airlines

Deal found 15/9£262

Sun 8/215:10SEA - GLA

3 stops40h 50mMultiple Airlines

Deal found 15/9£268

Mon 1/1208:12SEA - GLA

3 stops39h 08mMultiple Airlines

Deal found 14/9£285

Wed 26/1120:05SEA - GLA

1 stop15h 35mAer Lingus

Deal found 15/9£293

Sun 9/1114:35SEA - GLA

1 stop11h 20mIcelandair

Deal found 14/9£300

Mon 29/919:00SEA - GLA

1 stop10h 25mIcelandair

Deal found 15/9£305

Tue 30/915:45SEA - GLA

1 stop13h 40mIcelandair

Deal found 15/9£309

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/11

14:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 12/11

12:35-17:00

1 stop12h 25m

£375

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 7/2

14:35-09:55

1 stop11h 20m

Glasgow Intl

Sat 14/2

12:35-17:00

1 stop12h 25m

£378

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sun 1/3

14:35-09:55

1 stop11h 20m

Glasgow Intl

Thu 5/3

12:35-17:00

1 stop12h 25m

£394

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Sat 4/10

15:45-13:25

1 stop13h 40m

Glasgow Intl

Sat 18/10

14:20-20:40

1 stop14h 20m

£395

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 15/10

19:00-13:25

1 stop10h 25m

Glasgow Intl

Mon 20/10

14:20-17:50

1 stop11h 30m

£449

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 19/1

18:50-18:15

1 stop15h 25m

Glasgow Intl

Thu 29/1

19:05-11:30

1 stop24h 25m

£466

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 21/1

13:40-15:50

2 stops18h 10m

Glasgow Intl

Tue 27/1

10:50-22:19

2 stops19h 29m

£475

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Wed 10/12

13:28-15:50

2 stops18h 22m

Glasgow Intl

Wed 24/12

11:40-16:55

1 stop13h 15m

£479

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Mon 3/11

18:50-16:35

1 stop13h 45m

Glasgow Intl

Wed 12/11

08:40-23:18

2 stops22h 38m

£480

SeattleGlasgow

SEA - GLA

SEAGLA

Seattle/Tacoma Intl

Tue 7/10

10:00-12:20

2 stops18h 20m

Glasgow Intl

Wed 22/10

06:10-14:16

2 stops16h 06m

£482

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 results

Best time to book a flight from Seattle to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Seattle with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Glasgow Intl Airport

Prices

How far ahead should I book a flight from Seattle to Glasgow Intl Airport?

To ensure you get the cheapest price possible for a flight from Seattle to Glasgow Intl Airport, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £97). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to GLA?

It’s typically best to fly out from Seattle to Glasgow Intl Airport in the morning. Doing so could potentially save you 10% on the flight price compared to flying at midday, which is usually more expensive.

Reviews of airlines servicing Glasgow Intl

See what other customers who have flown with Icelandair from Seattle to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Icelandair

7.0

Good

544 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Icelandair

7.0

Good

544 reviews

Icelandair

7.0

Good

544 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

KEF - EWR

Related info for your journey

What airport do you fly from for flights from Seattle to Glasgow Intl?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Glasgow Intl. On average, Seattle/Tacoma Intl has 0 outbound flights to Glasgow Intl per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.
How long is the flight from Seattle to Glasgow Intl Airport?
A quick flight from Seattle to Glasgow Intl Airport can take about 11h 20m. Icelandair provides one of the quickest options available for as low as £375. There are 4445 mi between Seattle and Glasgow Intl Airport.
What is the cheapest airline to fly from Seattle to Glasgow Intl Airport round-trip?
Our cheapest airline available from Seattle to Glasgow Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as £410 on this airline. Icelandair is currently priced 33% below the average price you’ll pay for this route.
Can I find deals for flights from Seattle to Glasgow Intl that include hotel bookings?
Yes. In addition to deals on Seattle to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to Glasgow Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Glasgow Intl.
Can I find deals for business class flights from Seattle to Glasgow Intl?
Yes. Cheapflights offers flight deals from Seattle to Glasgow Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £97). Flying from Seattle to Glasgow Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Paisley

Dunoon

Largs

Renfrew

Kilmarnock

Dumbarton

Clydebank

East Kilbride

Arrochar

Inveraray

Rothesay

Ballachulish

Alexandria

Tarbert

Balloch

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Glasgow Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£410	Average£483	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

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How does Cheapflights help users find flights from Seattle to Glasgow Intl?

When you search for this flight from Seattle to Glasgow Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Glasgow Intl?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Glasgow Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Glasgow Intl with no change fees?

Certainly. Search results for flights to Glasgow Intl from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Seattle to Glasgow Intl Airport from £252

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Glasgow Intl are usually found in November or March, booked 36 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Glasgow Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Glasgow Intl

Cheapest flights from Seattle to Glasgow IntlExplore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Explore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Glasgow Intl Airport that are best for you.

Best time to book a flight from Seattle to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Glasgow Intl Airport

How far ahead should I book a flight from Seattle to Glasgow Intl Airport?

What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

What is the cheapest time of day to fly from SEA to GLA?

What’s the top stopover airport for flights from Seattle to Glasgow Intl Airport?

What’s the fastest stopover option from Seattle to Glasgow Intl Airport?

What’s the fastest stopover option from Seattle to Glasgow Intl Airport?

Which airport typically offers the quickest stopover for flights from Seattle to Glasgow Intl Airport?

Reviews of airlines servicing Glasgow Intl

See what other customers who have flown with Icelandair from Seattle to Glasgow Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to Glasgow Intl?

How long is the flight from Seattle to Glasgow Intl Airport?

What is the cheapest airline to fly from Seattle to Glasgow Intl Airport round-trip?

Can I find deals for flights from Seattle to Glasgow Intl that include hotel bookings?

How can I find direct flights from Seattle to Glasgow Intl?

Can I find deals for business class flights from Seattle to Glasgow Intl?

What is the cheapest month to book a flight from Seattle to Glasgow Intl Airport?

Travelling to a place near Glasgow Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Seattle to Glasgow Intl

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Glasgow Intl?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Glasgow Intl?

Can Cheapflights find flights from Seattle to Glasgow Intl with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Glasgow Intl become cheaper?

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Cheapest flights from Seattle to Glasgow Intl
Explore the most affordable flight options available from Seattle to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.