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Cheap flights from Glasgow to Portland from £270

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — PDX
5 Apr — 12 Apr1
1 adult

Cheapflights Tip: The best prices from Glasgow 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 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 31 March 2025.

Round-trip from

£644

One-way from

£270

Popular in

August

Cheapest in

May

Average price

£656
British Airways
  • British Airways
  • 14/5-21/5
  • 3 total stops
  • 49h 30m total
  • Glasgow to Portland
Search Deals
18/6
  • 18/6
  • 3 total stops
  • 52h 47m 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).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Glasgow to Portland

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 31 March 2025.

Wed 14/510:35GLA - PDX
1 stop15h 00mBritish Airways
Wed 21/521:35PDX - GLA
2 stops34h 30mBritish Airways
Deal found 30/3£644
Wed 18/610:35GLA - PDX
1 stop15h 00mMultiple Airlines
Thu 18/919:25PDX - GLA
1 stop16h 15mMultiple Airlines
Deal found 29/3£674
Wed 18/606:00GLA - PDX
1 stop13h 20mDelta
Thu 18/911:10PDX - GLA
2 stops17h 50mDelta
Deal found 29/3£681

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 31 March 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

Wed 14/5

10:35-17:35

1 stop15h 00m

Portland

Wed 21/5

21:35-16:05

2 stops34h 30m

£644

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 18/6

10:35-17:35

1 stop15h 00m

Portland

Thu 18/9

19:25-19:40

1 stop16h 15m

£674

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 18/6

06:00-11:20

1 stop13h 20m

Portland

Thu 18/9

11:10-13:00

2 stops17h 50m

£681

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 18/6

16:05-12:52

3 stops52h 47m

£270

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Tue 10/6

20:10-17:35

2 stops29h 25m

£708

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 18/6

10:35-17:35

1 stop15h 00m

£728

Flights are sorted by cheapest return flights first.

Deals found on 30/3

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

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 28 March 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 31 March 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.

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 31 March 2025.
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,899 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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
British Airways
6.6
Okay
6,713 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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 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 7 different airlines.

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

    Cheapflights users have booked flights from Glasgow to Portland round-trip from £644. Another airline that can offer you cheap pricing is Delta. British Airways is priced at 12% 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, 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.

See more FAQs

Travelling to a place near Glasgow?

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

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

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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£524Average£762FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£562Average£610FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£564Average£683FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IcelandairCheapest£585Average£706FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£608Average£712FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£620Average£764FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£645Average£802FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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