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Cheap flights from Portland to Glasgow Intl Airport from £184

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GLA
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from Portland to Glasgow Intl are usually found in November or April, booked 45 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 18 July 2025.

Round-trip from

£407

One-way from

£184

Popular in

July

Cheapest in

November

Average price

£970
Icelandair
  • Icelandair
  • 22/9-8/10
  • 2 total stops
  • 25h 40m total
  • Portland to Glasgow
Search Deals
Icelandair
  • Icelandair
  • 22/9
  • 1 total stop
  • 14h 05m total
  • Portland to Glasgow
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£168 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Portland to Glasgow Intl

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 18 July 2025.

Mon 22/915:20PDX - GLA
1 stop14h 05mIcelandair
Wed 8/1014:20GLA - PDX
1 stop11h 35mIcelandair
Deal found 15/7£407
Mon 20/1015:20PDX - GLA
1 stop14h 05mMultiple Airlines
Thu 30/1009:20GLA - PDX
2 stops41h 47mMultiple Airlines
Deal found 16/7£471
Mon 22/915:23PDX - GLA
2 stops17h 22mAmerican Airlines
Wed 8/1008:40GLA - PDX
2 stops19h 03mAmerican Airlines
Deal found 15/7£492
Mon 22/913:09PDX - GLA
2 stops19h 36mBritish Airways
Tue 7/1008:45GLA - PDX
2 stops21h 02mBritish Airways
Deal found 15/7£492
Wed 1/1014:15PDX - GLA
2 stops24h 50mLufthansa
Wed 15/1006:10GLA - PDX
2 stops20h 36mLufthansa
Deal found 16/7£506
Wed 22/1013:15PDX - GLA
1 stop25h 55mKLM
Wed 29/1006:05GLA - PDX
1 stop13h 20mKLM
Deal found 15/7£530

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 18 July 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

Mon 22/9

15:20-13:25

1 stop14h 05m

Glasgow Intl

Wed 8/10

14:20-17:55

1 stop11h 35m

£407

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 20/10

15:20-13:25

1 stop14h 05m

Glasgow Intl

Thu 30/10

09:20-20:07

2 stops41h 47m

£471

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 22/9

15:23-16:45

2 stops17h 22m

Glasgow Intl

Wed 8/10

08:40-19:43

2 stops19h 03m

£492

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 22/9

13:09-16:45

2 stops19h 36m

Glasgow Intl

Tue 7/10

08:45-21:47

2 stops21h 02m

£492

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 1/10

14:15-23:05

2 stops24h 50m

Glasgow Intl

Wed 15/10

06:10-18:46

2 stops20h 36m

£506

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 22/10

13:15-23:10

1 stop25h 55m

Glasgow Intl

Wed 29/10

06:05-12:25

1 stop13h 20m

£530

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 22/9

15:20-13:25

1 stop14h 05m

£184

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 25/9

13:08-19:50

2 stops46h 42m

£225

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 2/10

10:28-10:15

2 stops15h 47m

£307

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 2/10

10:28-10:15

2 stops15h 47m

£313

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 11 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 11 July 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 44 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, April is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £97). Flying from Portland 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 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 18 July 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 5% on flights from Portland to Glasgow Intl Airport by exploring options for tickets in the morning.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Glasgow Intl. Reviews last updated 18 July 2025.
Read through reviews of airlines operating flights from Portland to Glasgow Intl Airport, such as KLM, American Airlines, andIcelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,374 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Icelandair
7.0
Good
518 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,223 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,151 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines flying from Portland to Glasgow Intl Airport round-trip?

    Cheapflights users have booked flights from Portland to Glasgow Intl Airport round-trip from £407. Other airlines that can offer you cheap pricing are American Airlines, from £492, and British Airways, from £492. Icelandair is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Glasgow Intl Airport one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £184. However, be on the lookout for offers from British Airways and American Airlines, as they are both options that can get you from Portland to Glasgow Intl Airport for a low price.

  • 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, April is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £97). Flying from Portland 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

Travelling to a place near Glasgow Intl Airport?

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

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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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