Cheap flights from Glasgow Intl Airport to Portland from £480
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.
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 11 July 2025.
Round-trip from | £644 |
---|---|
One-way from | £480 |
Popular in | August |
Cheapest in | November |
Average price | £763 |
Find flight deals from Glasgow Intl to Portland
Cheapest flights from Glasgow Intl to PortlandExplore 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 11 July 2025.
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 11 July 2025.
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 11 July 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Thu 4/9
06:10-22:25
2 stops24h 15m
Portland
Thu 18/9
15:44-23:05
2 stops23h 21m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Thu 4/9
13:30-11:05
1 stop29h 35m
Portland
Thu 18/9
07:15-08:10
2 stops16h 55m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Sun 24/8
07:30-18:57
3 stops43h 27m
Portland
Sun 31/8
15:20-13:25
1 stop14h 05m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Sat 20/9
06:00-11:20
1 stop13h 20m
Portland
Sat 4/10
13:15-09:45
1 stop12h 30m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Thu 4/9
14:20-17:55
1 stop11h 35m
Portland
Thu 18/9
15:20-13:25
1 stop14h 05m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Thu 4/9
10:00-17:35
1 stop15h 35m
Portland
Thu 18/9
19:25-19:40
1 stop16h 15m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Mon 28/7
06:00-11:20
1 stop13h 20m
Portland
Tue 12/8
06:20-08:25
2 stops18h 05m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Tue 7/10
14:20-00:18
2 stops17h 58m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Sat 30/8
06:10-21:01
2 stops22h 51m
GlasgowPortland
GLA - PDX
GLAPDX
Glasgow Intl
Wed 26/11
11:40-22:52
2 stops19h 12m
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.
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 27 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 11 July 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.
How much does it cost for a return flight from Glasgow Intl Airport to Portland?
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 11 July 2025.
See what other customers who have flown with Delta, KLM, andFinnair 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.
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
Food
Comfort
Overall
Boarding
Entertainment
Crew
Reviews
Michael,Jul 2025
AMS - ATL
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.
Travelling to a place near Glasgow Intl Airport?
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Complete your trip
Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.
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 11 July 2025.
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.