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

British Airways, Delta, and KLM can get you from Portland to Glasgow Intl Airport in just under 15h 15m. Your travel time can differ by up to 10h 15m. 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.

£258+ 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

Last-minute

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 30 October 2026.

Tue 1/1214:45 -

1 stop11h 10m

Tue 15/1211:55 -

2 stops18h 25m

Deal found 25/10£781

Tue 1/1214:45 -

1 stop11h 10m

Tue 15/1211:55 -

2 stops29h 44m

Deal found 27/10£822

Tue 1/1209:16 -

2 stops23h 14m

Tue 15/1205:40 -

2 stops26h 19m

Deal found 27/10£843

Sun 13/1206:50 -

2 stops25h 50m

Sun 20/1211:40 -

2 stops20h 29m

Deal found 28/10£968

Sun 13/1213:30 -

2 stops19h 10m

Sun 20/1218:05 -

1 stop29h 45m

Deal found 28/10£998

Find flight deals from Portland to Glasgow Intl

Round-trip from	£734
One-way from	£258
Popular in	June
Cheapest in	November
Average price	£612

9/12-16/12
4 total stops
34h 30m total
Portland to Glasgow

Search Deals

1/12-31/12
3 total stops
34h 15m total
Portland to Glasgow

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Tue 1/12

14:45-16:35

2 stops17h 50m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£345

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Tue 1/12

14:45-09:55

1 stop11h 10m

Glasgow Intl

Tue 15/12

11:55-22:20

2 stops18h 25m

£781

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Mon 19/4

20:25-19:40

1 stop15h 15m

Glasgow Intl

Mon 3/5

17:40-18:35

1 stop32h 55m

£798

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Wed 21/4

07:10-16:15

2 stops25h 05m

Glasgow Intl

Thu 6/5

09:10-11:10

1 stop34h 00m

£803

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sat 24/4

22:55-08:25

2 stops25h 30m

Glasgow Intl

Wed 28/4

06:00-20:23

2 stops22h 23m

£810

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Sun 13/12

06:50-16:40

2 stops25h 50m

Glasgow Intl

Sun 20/12

11:40-00:09

2 stops20h 29m

£968

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

£1,006

Fastest return journey

PortlandGlasgow

PDX Portland - GLA Glasgow Intl

PDXGLA

Portland

Tue 1/12

14:45-09:55

1 stop11h 10m

Glasgow Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£1,109

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Sorted 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.

What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £524). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of £920). 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.

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?
British Airways, Delta, and KLM can get you from Portland to Glasgow Intl Airport in just under 15h 15m. Your travel time can differ by up to 10h 15m. 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.
What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Portland to Glasgow Intl Airport (average of £524). Flying from Portland to Glasgow Intl Airport in June is currently the most expensive (average of £920). 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

Paisley

Kilmarnock

East Kilbride

Arrochar

Dunoon

Helensburgh

Largs

Clydebank

Renfrew

Inveraray

Rothesay

Alexandria

Glencoe

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Scotland

Flights by cabin class

Glasgow Intl flight routes

Other flight options

Other flights from Portland

Popular flights

Alternative routes for Portland to Glasgow Intl

Eugene to Glasgow Intl flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Portland to Glasgow Intl Airport from £258

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from Portland to Glasgow IntlDiscover last-minute flight deals from Portland to Glasgow Intl. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Glasgow Intl. Data last updated 30 October 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 30 October 2026.

Search for one-way flight options from Portland to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Portland to Glasgow Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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.

What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?

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?

What is the cheapest month to book a flight from Portland to Glasgow Intl Airport?

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

See prices for flight routes from nearby airports that may be better suited for you.

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 30 October 2026.

Portland and Glasgow Intl flights

Browse other Portland and Glasgow Intl flight options. Last updated on 30 October 2026.

Other flights from Portland

Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 30 October 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 30 October 2026.

Last-minute flights from Portland to Glasgow Intl
Discover last-minute flight deals from Portland to Glasgow Intl. Data last updated 30 October 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 30 October 2026.