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Cheap flights from Glasgow to Portland from £343

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Glasgow to Portland
Explore the most affordable flight options available from Glasgow to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2026.

Fri 11/907:10
GLA
-
PDX
2 stops37h 55m
Multiple Airlines
Mon 21/915:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Deal found 22/2£553
Fri 1/514:30
GLA
-
PDX
1 stop11h 30m
Icelandair
Mon 11/515:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Deal found 22/2£576
Fri 11/914:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Mon 21/915:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Deal found 22/2£577
Tue 15/914:20
GLA
-
PDX
1 stop11h 35m
Multiple Airlines
Tue 29/919:30
PDX
-
GLA
1 stop15h 10m
Multiple Airlines
Deal found 22/2£610
Fri 1/507:10
GLA
-
PDX
2 stops44h 30m
Multiple Airlines
Mon 11/515:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Deal found 22/2£612
Tue 21/407:10
GLA
-
PDX
2 stops44h 30m
Multiple Airlines
Thu 7/515:30
PDX
-
GLA
1 stop14h 05m
Multiple Airlines
Deal found 20/2£618
Wed 16/914:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Wed 30/915:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Deal found 21/2£619
Mon 25/509:25
GLA
-
PDX
2 stops34h 20m
Multiple Airlines
Sun 31/514:45
PDX
-
GLA
1 stop11h 10m
Multiple Airlines
Deal found 21/2£626
Thu 21/515:20
GLA
-
PDX
2 stops34h 35m
Multiple Airlines
Sun 31/514:45
PDX
-
GLA
1 stop11h 10m
Multiple Airlines
Deal found 21/2£640

Find flight deals from Glasgow to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow (GG1) 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 23 February 2026.

Round-trip from

£576

One-way from

£343

Popular in

August

Cheapest in

February

Average price

£495
Icelandair
  • Icelandair
  • 1/5-11/5
  • 2 total stops
  • 25h 25m total
  • Glasgow to Portland
Search Deals
16/4
  • 16/4
  • 2 total stops
  • 45h 40m total
  • Glasgow to Portland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow 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 23 February 2026.
Use the filters below to find and compare flights from Glasgow to Portland that are best for you.

Fly from

Glasgow

Fly to

Portland

Route

Depart

Return

Price

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 1/5

14:30-18:00

1 stop11h 30m

Portland

Mon 11/5

15:30-13:25

1 stop13h 55m

£576

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 1/5

07:10-19:40

2 stops44h 30m

Portland

Mon 11/5

15:30-13:25

1 stop13h 55m

£612

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 8/5

14:30-18:00

1 stop11h 30m

Portland

Tue 12/5

15:30-13:35

1 stop14h 05m

£657

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 21/4

06:00-11:10

1 stop13h 10m

Portland

Thu 7/5

13:05-16:10

1 stop19h 05m

£667

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 9/4

15:30-09:23

2 stops49h 53m

Portland

Thu 16/4

15:30-13:35

1 stop14h 05m

£797

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 24/5

17:00-11:10

1 stop26h 10m

Portland

Mon 1/6

13:05-16:10

1 stop19h 05m

£807

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 8/5

12:20-22:47

2 stops18h 27m

Portland

Tue 12/5

13:23-16:45

2 stops19h 22m

£819

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 16/4

07:10-20:50

2 stops45h 40m

£343

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 22/6

09:25-13:50

3 stops36h 25m

£415

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 11/5

14:20-18:00

1 stop11h 40m

£429

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 16 results
1
2

Best time to book a flight from Glasgow to Portland

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

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

Currently, March is the cheapest month in which you can book a flight from Glasgow to Portland (average of £436). Flying from Glasgow to Portland in January is currently the most expensive (average of £889). 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.

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 23 February 2026.
See what other customers who have flown with KLM, Icelandair, andBritish Airways from Glasgow 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
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,458 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.1
Good
617 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,761 reviews
KLM
7.7
Good
1,458 reviews
Check prices

Entertainment

7.1

Overall

7.7

Comfort

7.6

Crew

8.4

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Glasgow 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?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Portland from Glasgow. Booking flights from Glasgow to Portland (PDX) should be relatively easy as there are 0 daily inbound flights from Glasgow from 6 different airlines.

  • How long is the flight from Glasgow to Portland?

    Icelandair and KLM can get you from Glasgow to Portland in just under 11h 30m. Your travel time can differ by up to 1h 40m. The distance from Glasgow to Portland is about 4560 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Cheapflights users have booked flights from Glasgow to Portland round-trip from £492. Other airlines that can offer you cheap pricing are Icelandair, from £560, and KLM, from £628. British Airways is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Glasgow 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 to Portland?

    Currently, March is the cheapest month in which you can book a flight from Glasgow to Portland (average of £436). Flying from Glasgow to Portland in January is currently the most expensive (average of £889). 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
Lincoln City

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Alternative routes for Glasgow to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Edinburgh to Portland flights
Glasgow Intl to Portland flights
Edinburgh to Boise flights
Inverness to Boise flights

Top 6 airlines flying from Glasgow to Portland

Discover the top 6 airlines that operate flights from Glasgow 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 23 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£474Average£720FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£492Average£699FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£509Average£822FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£548Average£745FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£560Average£715FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£569Average£679FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 to Portland?

Cheapflights helps you search for flights from Glasgow to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Glasgow to Portland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Glasgow to Portland for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Glasgow to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Glasgow to Portland become cheaper?

Not ready to book yet? You can track prices for flights from Glasgow to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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