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Cheap flights from Glasgow to Portland from £703

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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 17 October 2025.

Sat 29/1106:05GLA - PDX
2 stops21h 30mMultiple Airlines
Sat 6/1211:35PDX - GLA
2 stops17h 10mMultiple Airlines
Deal found 15/10£972
Sat 29/1117:20GLA - PDX
1 stop26h 05mKLM
Sat 6/1211:35PDX - GLA
2 stops17h 10mKLM
Deal found 15/10£1,042

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 17 October 2025.

Round-trip from

£703

Popular in

August

Cheapest in

November

Average price

£663
American Airlines
  • American Airlines
  • 5/3-9/3
  • 2 total stops
  • 46h 55m 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

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 17 October 2025.
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

Thu 5/3

13:45-15:55

1 stop34h 10m

Portland

Mon 9/3

06:00-16:35

2 stops27h 35m

£703

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

15:20-15:55

1 stop32h 35m

Portland

Mon 9/3

18:45-14:30

1 stop12h 45m

£709

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

06:05-19:11

2 stops21h 06m

Portland

Mon 9/3

13:38-12:45

2 stops16h 07m

£736

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 29/11

06:05-19:35

2 stops21h 30m

Portland

Sat 6/12

11:35-12:45

2 stops17h 10m

£972

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Sat 29/11

17:20-11:25

1 stop26h 05m

Portland

Sat 6/12

11:35-12:45

2 stops17h 10m

£1,042

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 11/11

09:50-20:50

2 stops19h 00m

£819

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 30/10

11:30-20:37

2 stops16h 07m

£997

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 £459). Flying from Glasgow to Portland in December is currently the most expensive (average of £648). 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 17 October 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 29% 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 17 October 2025.
See what other customers who have flown with Finnair, Air France, andIcelandair 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.
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

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

Entertainment

6.9

Comfort

7.4

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

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
1,476 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

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
556 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

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
7,457 reviews
Finnair
7.6
Good
1,332 reviews
Check prices

Entertainment

6.9

Comfort

7.4

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

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 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 8 different airlines.

  • How long is the flight from Glasgow to Portland?

    American Airlines and British Airways can get you from Glasgow to Portland in just under 32h 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 are the cheapest airlines flying from Glasgow to Portland round-trip?

    Cheapflights users have booked flights from Glasgow to Portland round-trip from £497. Other airlines that can offer you cheap pricing are Icelandair, from £564, and Air France, from £577. 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 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 £459). Flying from Glasgow to Portland in December is currently the most expensive (average of £648). 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

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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
Edinburgh to Boise flights
Glasgow Intl to Portland flights
Inverness to Boise flights

Top 8 airlines flying from Glasgow to Portland

Discover the top 8 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£477Average£724FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£497Average£655FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£551Average£706FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£558Average£824FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£564Average£691FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£572Average£683FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest£577Average£611FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£597Average£687FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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