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Cheap flights from Portland to Glasgow Intl Airport from £262

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 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GLA
29 Apr — 6 May1
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 30 March 2026.

Thu 5/1114:45
PDX
-
GLA
1 stop11h 10m
Icelandair
Mon 9/1111:55
GLA
-
PDX
1 stop13h 05m
Icelandair
Deal found 29/3£597
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Fri 16/1014:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 29/3£618
Sat 7/1114:45
PDX
-
GLA
1 stop11h 10m
Icelandair
Wed 11/1111:55
GLA
-
PDX
1 stop13h 05m
Icelandair
Deal found 29/3£619
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Mon 19/1022:20
GLA
-
PDX
2 stops43h 49m
Multiple Airlines
Deal found 29/3£623
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Thu 15/1019:00
GLA
-
PDX
2 stops47h 09m
Multiple Airlines
Deal found 29/3£628
Sat 10/1015:30
PDX
-
GLA
2 stops41h 10m
Lufthansa
Tue 13/1009:30
GLA
-
PDX
2 stops41h 11m
Lufthansa
Deal found 29/3£633
Tue 25/815:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Wed 7/1014:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Deal found 27/3£639
Thu 5/1114:45
PDX
-
GLA
1 stop11h 10m
Multiple Airlines
Mon 9/1108:20
GLA
-
PDX
2 stops16h 40m
Multiple Airlines
Deal found 29/3£640
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Tue 13/1008:20
GLA
-
PDX
2 stops37h 30m
Multiple Airlines
Deal found 29/3£643
Mon 5/1015:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Sat 17/1021:35
GLA
-
PDX
2 stops44h 34m
Multiple Airlines
Deal found 29/3£648
Mon 17/819:30
PDX
-
GLA
1 stop15h 10m
British Airways
Mon 31/819:35
GLA
-
PDX
1 stop30h 05m
British Airways
Deal found 25/3£652

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 30 March 2026.

Round-trip from

£639

One-way from

£262

Popular in

June

Cheapest in

November

Average price

£525
Icelandair
  • Icelandair
  • 25/8-7/10
  • 2 total stops
  • 25h 30m total
  • Portland to Glasgow
Search Deals
British Airways
  • British Airways
  • 19/7
  • 1 total stop
  • 28h 10m total
  • Portland to Glasgow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 30 March 2026.
Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 31/8

19:30-10:30

1 stop31h 00m

Glasgow Intl

Tue 8/9

10:55-17:40

1 stop14h 45m

£677

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 17/8

19:30-18:40

1 stop15h 10m

Glasgow Intl

Thu 20/8

18:40-19:01

2 stops32h 21m

£679

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 20/9

19:30-18:45

1 stop15h 15m

Glasgow Intl

Sat 3/10

19:45-21:57

2 stops34h 12m

£695

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 8/9

19:30-18:40

1 stop15h 10m

Glasgow Intl

Tue 29/9

21:10-22:50

2 stops33h 40m

£700

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 20/9

19:30-23:05

1 stop19h 35m

Glasgow Intl

Sat 3/10

17:15-19:01

2 stops33h 46m

£728

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sat 19/9

19:30-23:30

1 stop20h 00m

Glasgow Intl

Fri 2/10

09:30-17:40

1 stop16h 10m

£738

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 16/7

09:24-16:15

2 stops22h 51m

Glasgow Intl

Thu 3/9

06:00-11:10

1 stop13h 10m

£739

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 23/4

13:05-16:10

1 stop19h 05m

Glasgow Intl

Fri 1/5

06:00-11:10

1 stop13h 10m

£743

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 10/5

15:30-23:10

2 stops23h 40m

Glasgow Intl

Sun 17/5

06:00-11:10

1 stop13h 10m

£746
Fastest return journey

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 23/4

06:00-08:25

2 stops18h 25m

Glasgow Intl

Fri 1/5

06:00-11:10

1 stop13h 10m

£746

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 20 resultsSorted by cheapest first
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 13 March 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 Finnair can get you from Portland to Glasgow Intl Airport in just under 15h 10m. Your travel time can differ by up to 15h 50m. 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
Renfrew
Inveraray
Rothesay
Alexandria
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

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 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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