Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Portland from £333

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Round-trip from

£600

One-way from

£333

Popular in

August

Cheapest in

November

Average price

£934
Icelandair
  • Icelandair
  • 24/9-1/10
  • 2 total stops
  • 25h 40m total
  • Glasgow to Portland
Search Deals
27/10
  • 27/10
  • 3 total stops
  • 55h 51m total
  • Glasgow to Portland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 27 August 2025.

Wed 24/914:20GLA - PDX
1 stop11h 35mIcelandair
Wed 1/1015:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 25/8£600
Wed 24/906:00GLA - PDX
1 stop13h 20mDelta
Wed 1/1017:10PDX - GLA
2 stops15h 00mDelta
Deal found 25/8£624
Thu 4/906:15GLA - PDX
2 stops24h 20mDelta
Thu 18/912:40PDX - GLA
2 stops19h 30mDelta
Deal found 26/8£669
Thu 4/913:30GLA - PDX
1 stop29h 35mKLM
Thu 18/907:15PDX - GLA
2 stops16h 55mKLM
Deal found 25/8£680
Fri 12/914:20GLA - PDX
1 stop11h 35mMultiple Airlines
Wed 17/916:46PDX - GLA
2 stops12h 39mMultiple Airlines
Deal found 25/8£764
Thu 4/908:35GLA - PDX
3 stops22h 26mMultiple Airlines
Thu 18/906:15PDX - GLA
3 stops25h 10mMultiple Airlines
Deal found 26/8£819
Thu 4/910:00GLA - PDX
1 stop15h 35mBritish Airways
Thu 18/919:25PDX - GLA
1 stop19h 00mBritish Airways
Deal found 25/8£885

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 27 August 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

Wed 24/9

14:20-17:55

1 stop11h 35m

Portland

Wed 1/10

15:20-13:25

1 stop14h 05m

£600

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 24/9

06:00-11:20

1 stop13h 20m

Portland

Wed 1/10

17:10-16:10

2 stops15h 00m

£624

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 12/9

14:20-17:55

1 stop11h 35m

Portland

Wed 17/9

16:46-13:25

2 stops12h 39m

£764

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 20/10

11:35-23:08

2 stops19h 33m

Portland

Fri 31/10

17:30-15:40

2 stops15h 10m

£1,021

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 27/10

08:40-09:31

3 stops55h 51m

£333

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 7/10

14:20-00:18

2 stops17h 58m

£550

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 7/10

13:10-00:28

2 stops19h 18m

£636

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 27/10

07:35-16:55

1 stop16h 20m

£753

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 27/10

13:20-18:00

1 stop11h 40m

£792

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 7/10

07:00-17:35

1 stop18h 35m

£880

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 11 results
1
2

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

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 27 August 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.

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 27 August 2025.
See what other customers who have flown with KLM, Finnair, andAir France from Glasgow Intl Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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
1,384 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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.
Finnair
7.6
Good
1,321 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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.
Air France
7.4
Good
1,469 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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
533 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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
6.7
Okay
7,310 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

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 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.

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

    For as low as £600, Icelandair can have you in Portland from Glasgow Intl Airport in 11h 35m. Airlines will cover a distance of 4560 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £496, British Airways will fly you from Glasgow Intl Airport to Portland and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air France and Icelandair - these airlines can fly you to your destination from £540 and £562, respectively. British Airways is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £550. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from Glasgow Intl Airport to Portland for a low price.

  • 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£496Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£540Average£580FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£562Average£683FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£571Average£653FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£577Average£621FlexibilityNo cancel feeOn-time76%
Search Finnair 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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.