Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Portland from £379

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
9 Nov — 16 Nov1
1 adult
1 adult, Economy

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 10 October 2025.

Round-trip from

£711

One-way from

£379

Popular in

August

Cheapest in

November

Average price

£668
American Airlines
  • American Airlines
  • 20/2-24/2
  • 3 total stops
  • 39h 05m total
  • Glasgow to Portland
Search Deals
22/12
  • 22/12
  • 3 total stops
  • 53h 10m total
  • Glasgow to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Glasgow Intl to Portland

Enter your travel dates to find the best prices.

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 10 October 2025.

Tue 14/1005:50GLA - PDX
2 stops16h 00mMultiple Airlines
Thu 16/1019:25PDX - GLA
1 stop12h 40mMultiple Airlines
Deal found 10/10£2,541

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 10 October 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 20/2

10:40-15:55

1 stop13h 15m

Portland

Tue 24/2

06:00-15:50

2 stops25h 50m

£711

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

12:45-15:55

1 stop35h 10m

Portland

Mon 9/3

18:45-14:30

1 stop12h 45m

£713

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

06:05-16:29

2 stops18h 24m

Portland

Mon 9/3

13:38-12:45

2 stops16h 07m

£746

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 24/12

08:15-00:02

3 stops47h 47m

£477

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 26/12

08:30-20:34

3 stops44h 04m

£490

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 23/12

19:10-15:55

1 stop28h 45m

£538

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 24/12

08:40-21:49

2 stops21h 09m

£544

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 23/12

08:25-23:59

2 stops23h 34m

£549

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 24/12

05:55-15:55

1 stop18h 00m

£555

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sun 21/12

07:25-09:50

2 stops34h 25m

£565

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 15 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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portland (average of £499). Flying from Glasgow Intl Airport to Portland in August is currently the most expensive (average of £877). 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 10 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 13% 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 10 October 2025.
See what other customers who have flown with Finnair, Air France, andIcelandair 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.
Finnair
7.6
Good
1,332 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,332 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Air France
7.4
Good
1,467 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.0
Good
551 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,446 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Overall

7.6

Comfort

7.4

Entertainment

6.9

Food

6.7

Boarding

7.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 4 different airlines.

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

    For as low as £711, American Airlines can have you in Portland from Glasgow Intl Airport in 13h 15m. Airlines will cover a distance of 4560 mi.

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

    Currently priced at £502, 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 Icelandair and Air France - these airlines can fly you to your destination from £568 and £582, respectively. British Airways is priced at 27% 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, September is the cheapest month in which you can book a flight from Glasgow Intl Airport to Portland (average of £499). Flying from Glasgow Intl Airport to Portland in August is currently the most expensive (average of £877). 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 4 airlines flying from Glasgow Intl to Portland

Discover the top 4 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 10 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£502Average£652FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£568Average£695FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£582Average£616FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£584Average£614FlexibilityNo 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.