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Cheap flights from Glasgow to Portland from £322

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
23 Aug — 30 Aug1
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 24 July 2026.

Mon 21/909:10
GLA
-
PDX
2 stops43h 02m
Multiple Airlines
Mon 28/915:30
PDX
-
GLA
1 stop13h 55m
Multiple Airlines
Deal found 21/7£680
Wed 16/914:20
GLA
-
PDX
1 stop11h 35m
Icelandair
Wed 30/915:30
PDX
-
GLA
1 stop13h 55m
Icelandair
Deal found 24/7£729
Sun 6/914:00
GLA
-
PDX
2 stops33h 56m
Lufthansa
Sun 13/913:00
PDX
-
GLA
2 stops37h 10m
Lufthansa
Deal found 23/7£754
Mon 21/906:00
GLA
-
PDX
1 stop13h 10m
KLM
Mon 28/913:05
PDX
-
GLA
1 stop19h 05m
KLM
Deal found 21/7£768
Wed 16/906:00
GLA
-
PDX
1 stop13h 10m
Delta
Wed 30/912:34
PDX
-
GLA
2 stops19h 36m
Delta
Deal found 24/7£778

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 24 July 2026.

Round-trip from

£680

One-way from

£322
Icelandair
  • Icelandair
  • 21/9-28/9
  • 3 total stops
  • 56h 57m total
  • Glasgow to Portland
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 51h 51m total
  • Glasgow to Portland
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 24 July 2026.
Use the filters below to find and compare flights from Glasgow to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

06:00-11:10

1 stop13h 10m

Portland

Mon 5/10

13:35-16:10

2 stops18h 35m

£778

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

07:30-19:36

2 stops20h 06m

Portland

Mon 5/10

19:30-18:40

1 stop15h 10m

£784

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 16/9

06:00-11:10

1 stop13h 10m

Portland

Wed 30/9

12:34-16:10

2 stops19h 36m

£784

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 7/9

14:00-22:03

1 stop16h 03m

Portland

Mon 14/9

05:00-10:10

2 stops21h 10m

£798

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 6/9

14:00-22:03

1 stop16h 03m

Portland

Sun 13/9

23:02-10:10

2 stops27h 08m

£830

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 30/9

06:25-19:36

2 stops21h 11m

Portland

Sun 4/10

19:30-16:50

1 stop13h 20m

£839
Cheapest one-way

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 29/8

11:00-13:50

2 stops34h 50m

£385

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 11/10

12:10-09:32

3 stops53h 22m

£416
Fastest single journey

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 1/9

14:00-22:03

1 stop16h 03m

£515

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 31/8

14:00-22:03

1 stop16h 03m

£600

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 14 resultsSorted by cheapest first
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

No data available for this route at this time. Please check back soon.

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 24 July 2026.
See what other customers who have flown with Icelandair 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.
Icelandair
7.0
Good
717 reviews
Check prices

Food

6.1

Crew

8.0

Comfort

6.9

Entertainment

6.9

Overall

7.0

Boarding

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

KEF - ORD

No food or snacks. You could buy them. You could also buy ear buds.
Icelandair
7.0
Good
717 reviews
Icelandair
7.0
Good
717 reviews
Check prices

Food

6.1

Crew

8.0

Comfort

6.9

Entertainment

6.9

Overall

7.0

Boarding

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

KEF - ORD

No food or snacks. You could buy them. You could also buy ear buds.

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 3 different airlines.

  • How long is the flight from Glasgow to Portland?

    Icelandair and Delta can get you from Glasgow to Portland in just under 11h 35m. Your travel time can differ by up to 1h 35m. 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 is the cheapest airline to fly from Glasgow to Portland round-trip?

    Cheapflights users have booked flights from Glasgow to Portland round-trip from £596.

  • 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.

See more FAQs

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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 3 airlines flying from Glasgow to Portland

Discover the top 3 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 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£515Average£785FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£596Average£725FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£623Average£658FlexibilityNo cancel feeOn-time70%
Search British Airways 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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