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Cheap flights from Portland to Glasgow Intl Airport from £153

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GLA
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Glasgow Intl
Explore the most affordable flight options available from Portland to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Mon 6/415:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Fri 10/414:20
GLA
-
PDX
1 stop11h 40m
Icelandair
Deal found 12/2£392
Tue 14/415:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 22/414:20
GLA
-
PDX
1 stop11h 40m
Icelandair
Deal found 10/2£397
Mon 27/415:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Fri 8/514:20
GLA
-
PDX
1 stop11h 40m
Icelandair
Deal found 12/2£398
Tue 7/415:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 15/414:20
GLA
-
PDX
1 stop11h 40m
Icelandair
Deal found 12/2£444
Tue 10/314:05
PDX
-
GLA
2 stops18h 45m
British Airways
Tue 17/314:00
GLA
-
PDX
1 stop33h 55m
British Airways
Deal found 10/2£445
Mon 27/415:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Tue 5/508:20
GLA
-
PDX
2 stops37h 30m
Multiple Airlines
Deal found 12/2£454
Mon 6/415:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Mon 13/414:20
GLA
-
PDX
1 stop11h 40m
Icelandair
Deal found 12/2£456
Mon 6/413:52
PDX
-
GLA
2 stops18h 18m
British Airways
Tue 14/405:55
GLA
-
PDX
1 stop19h 45m
British Airways
Deal found 10/2£457

Find flight deals from Portland to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 February 2026.

Round-trip from

£392

One-way from

£153

Popular in

June

Cheapest in

November

Average price

£571
Icelandair
  • Icelandair
  • 6/4-10/4
  • 2 total stops
  • 25h 35m total
  • Portland to Glasgow
Search Deals
Icelandair
  • Icelandair
  • 6/4
  • 1 total stop
  • 13h 55m total
  • Portland to Glasgow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Glasgow Intl 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, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

Fly from

Portland

Fly to

Glasgow Intl

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 6/4

13:52-18:40

2 stops20h 48m

Glasgow Intl

Tue 14/4

05:55-22:42

2 stops24h 47m

£459

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 14/4

08:00-10:45

2 stops18h 45m

Glasgow Intl

Wed 22/4

10:50-23:57

2 stops21h 07m

£471

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 4/4

19:30-19:35

1 stop16h 05m

Glasgow Intl

Mon 13/4

20:50-17:40

1 stop28h 50m

£495

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 14/4

08:00-09:40

2 stops17h 40m

Glasgow Intl

Wed 22/4

06:25-17:40

1 stop19h 15m

£496

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 5/4

19:30-16:50

1 stop13h 20m

Glasgow Intl

Mon 13/4

20:50-17:40

1 stop28h 50m

£501

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 11/3

13:55-16:35

2 stops19h 40m

Glasgow Intl

Tue 17/3

06:05-23:59

2 stops24h 54m

£507

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 18/5

15:30-13:25

1 stop13h 55m

Glasgow Intl

Mon 8/6

14:20-11:45

1 stop29h 25m

£507

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 8/4

19:30-08:40

1 stop29h 10m

Glasgow Intl

Mon 13/4

19:35-17:40

1 stop30h 05m

£509

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 11/3

18:45-15:50

1 stop14h 05m

Glasgow Intl

Tue 17/3

12:45-16:55

1 stop35h 10m

£519

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 6/8

13:45-16:05

2 stops18h 20m

Glasgow Intl

Thu 20/8

09:40-21:17

2 stops19h 37m

£524

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 18 results
1
2

Best time to book a flight from Portland to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Portland 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 Portland to Glasgow Intl Airport

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

Use this chart to determine the optimal time to book a return flight from Portland to Glasgow Intl. Price data was last updated on 6 February 2026.

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 88 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.

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

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Glasgow Intl?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Glasgow Intl. You should not have trouble finding flights to Glasgow Intl from Portland; the airport handles an average of 0 outbound flights to Glasgow Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to Glasgow Intl. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

  • How long is the flight from Portland to Glasgow Intl Airport?

    British Airways and American Airlines can get you from Portland to Glasgow Intl Airport in just under 18h 45m. Your travel time can differ by up to 2h 03m. There are 4560 mi between Portland 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 Portland to Glasgow Intl that include hotel bookings?

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

  • How can I find direct flights from Portland to Glasgow Intl?

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

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
Dunoon
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Inveraray
Renfrew
Rothesay
Alexandria
Ballachulish
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Eugene to Glasgow Intl flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Glasgow Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Glasgow Intl for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Portland to Glasgow Intl with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Glasgow Intl from Portland today and book when prices fit your budget.

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