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Cheap flights from Glasgow Intl Airport to Portland from £496

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to Portland are usually found in November or May, booked 8 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Glasgow Intl to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Portland (PDX). 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 June 2025.

Round-trip from

£538

Popular in

August

Cheapest in

November

Average price

£761
Icelandair
  • Icelandair
  • 29/8-24/9
  • 2 total stops
  • 25h 40m total
  • Glasgow to Portland
Highest demand for flights based on searches. 15% potential increase in price (£91 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from Glasgow Intl to Portland

Cheapest flights from Glasgow Intl to Portland
Explore the most affordable flight options available from Glasgow Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Fri 29/814:20GLA - PDX
1 stop11h 35mIcelandair
Thu 25/915:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 11/6£538
Mon 1/911:35GLA - PDX
1 stop14h 00mBritish Airways
Mon 22/919:25PDX - GLA
1 stop13h 20mBritish Airways
Deal found 11/6£551
Mon 1/908:35GLA - PDX
2 stops36h 13mMultiple Airlines
Mon 22/913:45PDX - GLA
2 stops33h 05mMultiple Airlines
Deal found 11/6£556
Wed 3/909:25GLA - PDX
1 stop16h 10mAmerican Airlines
Wed 24/919:25PDX - GLA
1 stop14h 25mAmerican Airlines
Deal found 11/6£566
Tue 2/906:00GLA - PDX
2 stops24h 35mDelta
Tue 23/911:39PDX - GLA
2 stops20h 31mDelta
Deal found 11/6£567
Sun 31/810:30GLA - PDX
1 stop32h 50mKLM
Tue 23/911:10PDX - GLA
2 stops17h 50mKLM
Deal found 11/6£579

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl to Portland 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 June 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Portland that are best for you.

Fly from

Glasgow Intl

Fly to

Portland

Route

Depart

Return

Price

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 29/8

14:20-17:55

1 stop11h 35m

Portland

Mon 22/9

15:20-13:25

1 stop14h 05m

£538

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 1/9

11:35-17:35

1 stop14h 00m

Portland

Mon 22/9

19:25-16:45

1 stop13h 20m

£551

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 1/9

08:35-12:48

2 stops36h 13m

Portland

Mon 22/9

13:45-06:50

2 stops33h 05m

£556

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 3/9

09:25-17:35

1 stop16h 10m

Portland

Wed 24/9

19:25-17:50

1 stop14h 25m

£566

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 2/9

06:00-22:35

2 stops24h 35m

Portland

Tue 23/9

11:39-16:10

2 stops20h 31m

£567

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 31/8

10:30-11:20

1 stop32h 50m

Portland

Tue 23/9

11:10-13:00

2 stops17h 50m

£579

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 7/10

14:20-13:50

2 stops31h 30m

£496

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 7/10

05:50-17:35

1 stop19h 45m

£606

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Best time to book a flight from Glasgow Intl to Portland

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

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

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Portland. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Glasgow Intl Airport to Portland, you should look to book at least 8 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 Glasgow Intl Airport to Portland?

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portland (average of £736). Flying from Glasgow Intl Airport to Portland in July is currently the most expensive (average of £1,048). 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 GLA to PDX?

Find hourly flight availability from Glasgow Intl to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 14% on flights from Glasgow Intl Airport to Portland by exploring options for tickets in the afternoon.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated 13 June 2025.

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    If you book a flight to Portland from Glasgow Intl, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from Glasgow Intl to Portland per day from 5 different airlines.

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

    Currently priced at £538, Icelandair will fly you from Glasgow Intl Airport to Portland and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and American Airlines - these airlines can fly you to your destination from £551 and £566, respectively. Icelandair is priced at 22% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Glasgow Intl to Portland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow Intl to Portland 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 Glasgow Intl Airport to Portland?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portland (average of £736). Flying from Glasgow Intl Airport to Portland in July is currently the most expensive (average of £1,048). 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
Cannon Beach
Lincoln City

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Top 5 airlines flying from Glasgow Intl to Portland

Discover the top 5 airlines that operate flights from Glasgow Intl to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£491Average£624FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£526Average£659FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£535Average£581FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£557Average£703FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£567Average£671FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

When you search for this flight from Glasgow Intl to Portland, 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 Glasgow Intl to Portland?

Cheapflights helps you find that perfect flight to Portland from Glasgow Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Portland from Glasgow Intl 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 Glasgow Intl to Portland become cheaper?

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

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