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Cheap flights from Seattle to Glasgow Intl Airport from £201

SEA — GLA
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Glasgow Intl

Sun 6/1214:35 -
1 stop11h 20m
Thu 10/1211:55 -
1 stop13h 05m
Deal found 6/11£680
Fri 4/1214:35 -
1 stop11h 20m
Thu 10/1211:55 -
1 stop13h 05m
Deal found 9/11£685
Sun 6/1214:35 -
2 stops21h 25m
Thu 10/1208:05 -
1 stop16h 55m
Deal found 6/11£693
Fri 4/1214:35 -
2 stops22h 05m
Thu 10/1208:05 -
1 stop16h 55m
Deal found 9/11£759
Sat 14/1114:35 -
1 stop11h 20m
Thu 19/1111:55 -
1 stop13h 05m
Deal found 9/11£765
Thu 3/1212:25 -
2 stops13h 30m
Thu 10/1211:55 -
1 stop13h 05m
Deal found 9/11£782

Find flight deals from Seattle to Glasgow Intl

Round-trip from

£607

One-way from

£201

Popular in

June

Cheapest in

March

Average price

£642
17/2-23/2
  • 17/2-23/2
  • 4 total stops
  • 31h 30m total
  • Seattle to Glasgow
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23/11-31/12
  • 23/11-31/12
  • 2 total stops
  • 35h 45m total
  • Seattle to Glasgow
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£109 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Mon 19/4

19:00-07:40

3 stops28h 40m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£239

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Mon 23/11

14:35-09:25

3 stops58h 50m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£254

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Sun 18/4

15:40-13:25

1 stop13h 45m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£254

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Tue 20/4

19:10-20:50

1 stop17h 40m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£259
Fastest return journey

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Sun 15/11

14:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£284

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Sun 27/12

23:59-07:55

2 stops23h 56m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£348

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Mon 28/12

06:29-07:55

2 stops17h 26m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£360

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Mon 4/1

18:25-09:00

3 stops54h 35m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£367

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Thu 26/11

14:35-09:55

1 stop11h 20m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£466

SeattleGlasgow

SEA Seattle/Tacoma Intl - GLA Glasgow Intl

SEAGLA

Seattle/Tacoma Intl

Wed 30/12

18:45-16:40

1 stop13h 55m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£480

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Seattle to Glasgow Intl Airport, you should look to book at least 72 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £536). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of £923). 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.

How much does it cost for a return flight from Seattle to Glasgow Intl Airport?

Airfare is typical for this route at the moment.

Seattle to Glasgow Intl Airport flights typically cost between £594 and £864 in February.
The cheapest return price found within the last 5 days was £607 on Multiple Airlines (17 Feb–23 Feb).

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 0 airlines. 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 18h 55m. KLM provides one of the quickest options available for as low as £785. There are 4445 mi between Seattle and Glasgow Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Glasgow Intl Airport (average of £536). Flying from Seattle to Glasgow Intl Airport in June is currently the most expensive (average of £923). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Kilmarnock
East Kilbride
Arrochar
Dunoon
Helensburgh
Largs
Clydebank
Renfrew
Inveraray
Rothesay
Alexandria
Glencoe

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Glasgow Intl

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Fly with Cheapflights

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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