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Cheap flights from Portland to Glasgow Intl Airport from £189

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — GLA
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Portland to Glasgow Intl are usually found in October or February, booked 10 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Glasgow Intl (GLA). 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

£438

One-way from

£189

Popular in

June

Cheapest in

October

Average price

£619
Icelandair
  • Icelandair
  • 8/5-15/5
  • 2 total stops
  • 25h 40m total
  • Portland to Glasgow
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Icelandair
  • Icelandair
  • 4/5
  • 1 total stop
  • 14h 05m total
  • Portland to Glasgow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£133 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£24 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 Portland to Glasgow Intl

Cheapest flights from Portland to Glasgow Intl
Explore the most affordable flight options available from Portland to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Thu 8/515:20PDX - GLA
1 stop14h 05mIcelandair
Thu 15/514:20GLA - PDX
1 stop11h 35mIcelandair
Deal found 24/3£438
Tue 23/911:53PDX - GLA
2 stops18h 47mAmerican Airlines
Tue 30/905:50GLA - PDX
1 stop19h 45mAmerican Airlines
Deal found 24/3£478
Tue 4/1108:01PDX - GLA
2 stops20h 54mBritish Airways
Wed 12/1111:35GLA - PDX
1 stop13h 00mBritish Airways
Deal found 25/3£479
Thu 4/919:25PDX - GLA
1 stop15h 15mIberia
Wed 17/917:40GLA - PDX
2 stops37h 03mIberia
Deal found 24/3£501
Wed 17/914:15PDX - GLA
2 stops24h 50mLufthansa
Wed 8/1006:10GLA - PDX
2 stops21h 55mLufthansa
Deal found 24/3£559
Thu 8/506:40PDX - GLA
2 stops22h 20mDelta
Thu 15/506:00GLA - PDX
2 stops16h 50mDelta
Deal found 24/3£616
Thu 15/506:15PDX - GLA
2 stops32h 50mMultiple Airlines
Sun 25/513:10GLA - PDX
2 stops43h 20mMultiple Airlines
Deal found 24/3£651
Tue 13/507:14PDX - GLA
2 stops31h 56mAir France
Sat 24/513:15GLA - PDX
1 stop30h 05mAir France
Deal found 24/3£658
Thu 8/507:14PDX - GLA
2 stops16h 56mKLM
Thu 15/513:30GLA - PDX
1 stop29h 50mKLM
Deal found 25/3£703
Tue 27/519:25PDX - GLA
2 stops28h 40mAer Lingus
Wed 4/608:35GLA - PDX
2 stops23h 24mAer Lingus
Deal found 25/3£824

Cheapflights Fare Finder

Customise your flight search to find flights from Portland to Glasgow Intl 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 Portland to Glasgow Intl Airport that are best for you.

Fly from

Portland

Fly to

Glasgow Intl

Route

Depart

Return

Price

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 8/5

15:20-13:25

1 stop14h 05m

Glasgow Intl

Thu 15/5

14:20-17:55

1 stop11h 35m

£438

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 4/9

19:25-18:40

1 stop15h 15m

Glasgow Intl

Wed 17/9

05:50-17:35

1 stop19h 45m

£493

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 17/9

11:53-14:15

2 stops18h 22m

Glasgow Intl

Wed 1/10

20:30-17:35

1 stop29h 05m

£498

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 4/9

19:25-18:40

1 stop15h 15m

Glasgow Intl

Wed 17/9

17:40-22:43

2 stops37h 03m

£501

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 7/4

13:15-13:00

1 stop15h 45m

Glasgow Intl

Sun 13/4

10:30-11:20

1 stop32h 50m

£546

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 17/9

14:15-23:05

2 stops24h 50m

Glasgow Intl

Wed 8/10

06:10-20:05

2 stops21h 55m

£559

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 8/5

06:40-13:00

2 stops22h 20m

Glasgow Intl

Thu 15/5

06:00-14:50

2 stops16h 50m

£616

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Thu 15/5

06:15-23:05

2 stops32h 50m

Glasgow Intl

Sun 25/5

13:10-00:30

2 stops43h 20m

£651

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 13/5

07:14-23:10

2 stops31h 56m

Glasgow Intl

Sat 24/5

13:15-11:20

1 stop30h 05m

£658

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 27/5

19:25-08:05

2 stops28h 40m

Glasgow Intl

Thu 19/6

15:55-22:10

2 stops38h 15m

£906

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 16 results
1
2

Best time to book a flight from Portland to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Portland 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 Portland to Glasgow Intl Airport

How far ahead should I book a flight from Portland to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from Portland to Glasgow Intl. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 10 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 Portland to Glasgow Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £97). Flying from Portland to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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 PDX to GLA?

Find hourly flight availability from Portland to Glasgow Intl. 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 5% on flights from Portland to Glasgow Intl Airport by exploring options for tickets in the morning.

Rainfall in Glasgow Intl by month

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

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

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

If weather is an important factor for your trip to Glasgow Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 25 March 2025.
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland to Glasgow Intl. 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 from for flights from Portland to Glasgow Intl?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Glasgow Intl. You should not have trouble finding flights to Glasgow Intl from Portland; the airport handles an average of 0 outbound flights to Glasgow Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to Glasgow Intl. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

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

    Cheapflights users have booked flights from Portland to Glasgow Intl Airport round-trip from £438. Other airlines that can offer you cheap pricing are American Airlines, from £493, and British Airways, from £498. Icelandair is currently priced 34% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as £189. However, be on the lookout for offers from American Airlines and British Airways, as they are both options that can get you from Portland to Glasgow Intl Airport for a low price.

  • Can I find deals for flights from Portland to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Glasgow Intl.

  • Can I find deals for business class flights from Portland to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Portland to Glasgow Intl 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 Portland to Glasgow Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £97). Flying from Portland to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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
Paisley
East Kilbride
Kilmarnock
Dumbarton
Arrochar
Dunoon
Largs
Renfrew
Balloch
Ballachulish
Inveraray
Clydebank
Rothesay
Helensburgh
Alexandria
Tarbert

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.
Eugene to Glasgow Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Portland to Glasgow Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portland to Glasgow Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Portland to Glasgow Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Glasgow Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Glasgow Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Portland to Glasgow Intl with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Glasgow Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Glasgow Intl from Portland today and book when prices fit your budget.

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