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Cheap flights from Portland to Glasgow Intl Airport from £212

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
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Portland to Glasgow Intl are usually found in November or March, booked 66 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 9 December 2025.

Sun 7/1213:25PDX - GLA
1 stop19h 10mDelta
Sun 14/1206:05GLA - PDX
1 stop13h 20mDelta
Deal found 7/12£593
Mon 8/1214:45PDX - GLA
1 stop11h 10mIcelandair
Mon 15/1212:35GLA - PDX
1 stop12h 25mIcelandair
Deal found 7/12£596
Sun 7/1216:00PDX - GLA
2 stops23h 10mLufthansa
Sun 14/1212:45GLA - PDX
2 stops37h 56mLufthansa
Deal found 7/12£633
Mon 8/1210:10PDX - GLA
2 stops17h 40mLufthansa
Mon 15/1206:10GLA - PDX
2 stops20h 31mLufthansa
Deal found 7/12£651
Mon 8/1213:25PDX - GLA
1 stop19h 10mKLM
Mon 15/1217:20GLA - PDX
2 stops30h 40mKLM
Deal found 7/12£738
Tue 30/1206:15PDX - GLA
2 stops18h 15mKLM
Tue 6/110:40GLA - PDX
1 stop32h 45mKLM
Deal found 6/12£780
Mon 15/1213:25PDX - GLA
1 stop35h 05mMultiple Airlines
Mon 22/1206:05GLA - PDX
2 stops20h 48mMultiple Airlines
Deal found 7/12£851
Mon 15/1205:30PDX - GLA
2 stops23h 15mDelta
Mon 22/1206:05GLA - PDX
2 stops18h 35mDelta
Deal found 7/12£915
Mon 15/1213:25PDX - GLA
1 stop35h 05mKLM
Mon 22/1206:05GLA - PDX
1 stop13h 20mKLM
Deal found 7/12£940
Tue 30/1214:56PDX - GLA
2 stops17h 59mBritish Airways
Tue 6/112:45GLA - PDX
2 stops39h 42mBritish Airways
Deal found 6/12£1,093
Sun 7/1219:00PDX - GLA
2 stops32h 50mMultiple Airlines
Sun 14/1220:25GLA - PDX
3 stops44h 50mMultiple Airlines
Deal found 7/12£1,111

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 9 December 2025.

Round-trip from

£368

One-way from

£212

Popular in

June

Cheapest in

November

Average price

£792
Icelandair
  • Icelandair
  • 7/3-13/3
  • 2 total stops
  • 23h 35m total
  • Portland to Glasgow
Search Deals
Icelandair
  • Icelandair
  • 10/3
  • 1 total stop
  • 11h 10m total
  • Portland to Glasgow
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£191 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 9 December 2025.
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

Sat 7/3

14:45-09:55

1 stop11h 10m

Glasgow Intl

Fri 13/3

12:35-18:00

1 stop12h 25m

£368

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 19/2

11:46-16:40

2 stops20h 54m

Glasgow Intl

Sat 28/2

18:50-15:55

1 stop29h 05m

£452

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 19/2

11:46-16:40

2 stops20h 54m

Glasgow Intl

Tue 24/2

11:40-23:29

2 stops19h 49m

£455

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 19/2

09:50-12:05

2 stops18h 15m

Glasgow Intl

Sat 28/2

06:00-22:56

2 stops24h 56m

£464

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 16/2

17:45-16:35

1 stop14h 50m

Glasgow Intl

Sun 1/3

05:55-15:55

1 stop18h 00m

£470

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

£480

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Sun 8/3

11:46-16:40

2 stops21h 54m

Glasgow Intl

Tue 17/3

19:10-16:55

1 stop28h 45m

£489

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 2/3

09:50-11:50

2 stops18h 00m

Glasgow Intl

Tue 24/3

06:00-23:04

2 stops24h 04m

£497

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 2/3

13:25-12:45

1 stop15h 20m

Glasgow Intl

Tue 24/3

13:25-12:25

1 stop30h 00m

£500

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 6/4

15:30-13:25

1 stop13h 55m

£212

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 17 results
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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 5 December 2025.

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 65 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 Portland to Glasgow Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £399). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of £650). 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 PDX to GLA?

Find hourly flight availability from Portland to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 29% on flights from Portland to Glasgow Intl Airport by exploring options for tickets in the afternoon.

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?

    Icelandair, British Airways, and Lufthansa can get you from Portland to Glasgow Intl Airport in just under 11h 10m. Your travel time can differ by up to 9h 44m. 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.

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

    Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £399). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of £650). 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
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
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

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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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