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Cheap flights from Glasgow Intl Airport to Portland from £300

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Glasgow Intl to Portland are usually found in May or April, 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 25 March 2025.

Round-trip from

£640

One-way from

£300

Popular in

August

Cheapest in

May

Average price

£657
8/5-15/5
  • 8/5-15/5
  • 5 total stops
  • 60h 50m total
  • Glasgow to Portland
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14/5
  • 14/5
  • 2 total stops
  • 48h 15m total
  • Glasgow to Portland
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£112 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Glasgow Intl to Portland

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 25 March 2025.

Thu 8/518:40GLA - PDX
3 stops36h 15mMultiple Airlines
Thu 15/513:45PDX - GLA
2 stops24h 35mMultiple Airlines
Deal found 24/3£640
Thu 26/611:30GLA - PDX
1 stop14h 05mBritish Airways
Thu 17/719:25PDX - GLA
1 stop14h 05mBritish Airways
Deal found 24/3£722
Thu 8/506:10GLA - PDX
2 stops22h 43mLufthansa
Thu 15/510:21PDX - GLA
2 stops28h 44mLufthansa
Deal found 24/3£741
Wed 9/714:20GLA - PDX
1 stop11h 35mIcelandair
Wed 23/715:20PDX - GLA
1 stop14h 05mIcelandair
Deal found 23/3£749

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 25 March 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

Thu 8/5

18:40-22:55

3 stops36h 15m

Portland

Thu 15/5

13:45-22:20

2 stops24h 35m

£640

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 26/6

11:30-17:35

1 stop14h 05m

Portland

Thu 17/7

19:25-17:30

1 stop14h 05m

£722

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 8/5

06:10-20:53

2 stops22h 43m

Portland

Thu 15/5

10:21-23:05

2 stops28h 44m

£741

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 9/7

14:20-17:55

1 stop11h 35m

Portland

Wed 23/7

15:20-13:25

1 stop14h 05m

£749

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 14/5

20:00-12:15

2 stops48h 15m

£300

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 15/5

14:20-17:55

1 stop11h 35m

£529

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 28/5

20:10-23:59

2 stops35h 49m

£638

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 9/4

07:00-17:35

1 stop18h 35m

£683

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 28/5

09:25-17:35

1 stop16h 10m

£1,042

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 8/4

08:55-11:20

1 stop34h 25m

£1,584

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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

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 21 March 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 25 March 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 25 March 2025.
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Icelandair
7.0
Good
474 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,061 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,646 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Lufthansa
6.7
Okay
6,950 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

8.0

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 5 different airlines.

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

    Currently priced at £722, 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 Lufthansa and Icelandair - these airlines can fly you to your destination from £741 and £749, respectively. British Airways is priced at 1% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Glasgow Intl Airport to Portland one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £529. However, be on the lookout for offers from Aer Lingus and British Airways, as they are both options that can get you from Glasgow Intl Airport to Portland for a low price.

  • 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, 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.

See more FAQs

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Cannon Beach
Lincoln City

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£563Average£610FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£566Average£731FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£567Average£662FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£585Average£707FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£609Average£721FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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