Cheap flights from Glasgow to Portland from £473
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 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 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 10 July 2025.
Round-trip from | £606 |
---|---|
One-way from | £473 |
Popular in | August |
Cheapest in | November |
Average price | £763 |
Find flight deals from Glasgow to Portland
Cheapest flights from Glasgow to PortlandExplore 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 10 July 2025.
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 10 July 2025.
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 10 July 2025.
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
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
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
06:15-14:38
2 stops16h 23m
Portland
Thu 18/9
06:10-13:00
2 stops22h 50m
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
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
11:35-17:35
1 stop14h 00m
Portland
Tue 12/8
19:25-19:40
1 stop16h 15m
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
Tue 7/10
09:15-17:35
1 stop16h 20m
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.
Cheapflights Insights
Everything you need to know about your flight from Glasgow to Portland
How far ahead should I book a flight from Glasgow to Portland?
Use this chart to determine the optimal time to book a return flight from Glasgow to Portland. Price data was last updated on 27 June 2025.
The price you pay for your flight from Glasgow to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Glasgow to Portland?
Currently, January is the cheapest month in which you can book a flight from Glasgow to Portland (average of £736). Flying from Glasgow 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 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 July 2025.
Unlike at midday, when flights are generally more expensive, you can save up to 14% on flights from Glasgow 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 July 2025.
See what other customers who have flown with Delta, KLM, andFinnair 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.
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
Overall
Crew
Boarding
Comfort
Entertainment
Food
Reviews
Michael,Jul 2025
AMS - ATL
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.
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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.
Top 7 airlines flying from Glasgow to Portland
Discover the top 7 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 10 July 2025.
Fly with Cheapflights
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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.