How long is the flight from Portland to Glasgow Intl Airport?

Virgin Atlantic, Delta, and British Airways can get you from Portland to Glasgow Intl Airport in just under 14h 40m. Your travel time can differ by up to 11h 25m. There are 4560 mi between Portland and Glasgow Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What is the cheapest time of day to fly from PDX to GLA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Glasgow Intl Airport as you normally would.

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.

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.

£398+ Cheap Flights from Portland to Glasgow Intl Airport

Cheap flight deals from Portland to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

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 4 September 2026.

Thu 3/1214:45 -

1 stop11h 10m

Fri 11/1211:35 -

1 stop13h 25m

Deal found 3/9£502

Mon 9/1114:45 -

1 stop11h 10m

Mon 16/1111:55 -

1 stop13h 05m

Deal found 2/9£516

Mon 12/1015:30 -

1 stop13h 55m

Mon 2/1111:55 -

1 stop13h 05m

Deal found 30/8£518

Mon 9/1114:45 -

1 stop11h 10m

Wed 18/1111:35 -

1 stop13h 25m

Deal found 30/8£528

Mon 19/1015:30 -

1 stop13h 55m

Fri 30/1011:35 -

1 stop13h 25m

Deal found 1/9£543

Sat 7/1114:45 -

1 stop11h 10m

Wed 18/1111:35 -

1 stop13h 25m

Deal found 30/8£546

Mon 26/1015:45 -

1 stop11h 10m

Thu 5/1119:20 -

2 stops29h 40m

Deal found 3/9£647

Mon 26/1018:45 -

1 stop16h 30m

Thu 5/1120:20 -

1 stop27h 30m

Deal found 3/9£657

Wed 21/1013:05 -

1 stop26h 05m

Fri 30/1005:40 -

1 stop13h 40m

Deal found 1/9£662

Sat 7/1114:45 -

1 stop11h 10m

Thu 19/1118:00 -

2 stops31h 00m

Deal found 30/8£663

Sun 8/1113:20 -

1 stop15h 25m

Tue 17/1113:25 -

1 stop30h 15m

Deal found 30/8£664

Mon 19/1019:30 -

1 stop16h 10m

Fri 30/1009:20 -

2 stops18h 30m

Deal found 1/9£665

Find flight deals from Portland to Glasgow Intl

Round-trip from	£502
One-way from	£398
Popular in	June
Cheapest in	November
Average price	£705

Icelandair
3/12-11/12
2 total stops
24h 35m total
Portland to Glasgow

Search Deals

Aer Lingus
13/9-31/12
2 total stops
26h 20m total
Portland to Glasgow

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£74 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 13/9

06:30-16:50

2 stops26h 20m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£398

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 13/9

19:30-19:35

1 stop16h 05m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£416

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Thu 10/9

07:02-15:00

2 stops23h 58m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£452

Fastest return journey

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Thu 10/9

10:35-10:10

2 stops15h 35m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£475

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Wed 21/10

13:05-23:10

1 stop26h 05m

Glasgow Intl

Fri 30/10

05:40-12:20

1 stop13h 40m

£662

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 8/11

13:20-12:45

1 stop15h 25m

Glasgow Intl

Tue 17/11

13:25-11:40

1 stop30h 15m

£664

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Tue 1/12

13:50-15:50

2 stops18h 00m

Glasgow Intl

Tue 15/12

07:10-19:47

2 stops20h 37m

£667

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 8/11

23:12-12:45

2 stops29h 33m

Glasgow Intl

Thu 19/11

09:05-11:20

1 stop34h 15m

£667

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Mon 18/1

17:45-16:25

1 stop14h 40m

Glasgow Intl

Fri 22/1

09:20-15:50

1 stop14h 30m

£668

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Mon 9/11

07:00-14:30

2 stops23h 30m

Glasgow Intl

Mon 16/11

15:30-19:32

2 stops36h 02m

£671

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 13 resultsSorted by cheapest first

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.

PDX-GLA

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?

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 18 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.

How much does it cost for a return flight from Portland to Glasgow Intl Airport?

Airfare is below average for this route at the moment.

Portland to Glasgow Intl Airport flights typically cost between £617 and £785 in December.
The cheapest return price found within the last 5 days was £502 on Icelandair (3 Dec–11 Dec).

Related info for your journey

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.
How long is the flight from Portland to Glasgow Intl Airport?
Virgin Atlantic, Delta, and British Airways can get you from Portland to Glasgow Intl Airport in just under 14h 40m. Your travel time can differ by up to 11h 25m. There are 4560 mi between Portland and Glasgow Intl Airport. Both multi-stop and direct flights can be found to your destination and back.
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.

See more FAQs

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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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Cheap flights from Portland to Glasgow Intl Airport from £398

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portland to Glasgow Intl

Cheapest flights from Portland to Glasgow IntlExplore 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 4 September 2026.

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 4 September 2026.

Best flights from Portland to Glasgow IntlDiscover carefully curated flight deals from Portland to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from Portland to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Portland to Glasgow IntlDiscover last-minute flight deals from Portland to Glasgow Intl. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Glasgow Intl. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Portland to Glasgow IntlSearch for one-way flight options from Portland to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Search for one-way flight options from Portland to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Glasgow Intl Airport that are best for you.

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.

Cheapflights Insights

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

To ensure you get the cheapest price possible for a flight from Portland to Glasgow Intl Airport, you should look to book at least 18 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.

How much does it cost for a return flight from Portland to Glasgow Intl Airport?

Airfare is below average for this route at the moment.

Portland to Glasgow Intl Airport flights typically cost between £617 and £785 in December.The cheapest return price found within the last 5 days was £502 on Icelandair (3 Dec–11 Dec).

Related info for your journey

What airport do you fly from for flights from Portland to Glasgow Intl?

How long is the flight from Portland to Glasgow Intl Airport?

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

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

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

Travelling to a place near Glasgow Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Glasgow Intl

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Complete your trip

Complete your trip to Glasgow Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Scotland

Book a non-stop flight to one of these other cities located in Scotland.

Search flights from Portland to Glasgow Intl by cabin class

Find flights from Portland to Glasgow Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Glasgow Intl

Explore flights to Glasgow Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.

Portland and Glasgow Intl flights

Browse other Portland and Glasgow Intl flight options. Last updated on 4 September 2026.

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

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

Can Cheapflights 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?

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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 4 September 2026.

Best flights from Portland to Glasgow Intl
Discover carefully curated flight deals from Portland to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Portland to Glasgow Intl
Discover last-minute flight deals from Portland to Glasgow Intl. Data last updated 4 September 2026 and is based on user searches.

One-way flights from Portland to Glasgow Intl
Search for one-way flight options from Portland to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Portland to Glasgow Intl Airport flights typically cost between £617 and £785 in December.
The cheapest return price found within the last 5 days was £502 on Icelandair (3 Dec–11 Dec).