Which airlines fly to Portland?

Icelandair, British Airways and Finnair are the top three most popular airlines that fly to Portland from Glasgow Intl Airport according to our data. Icelandair is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Glasgow Intl to Portland?

Icelandair and Iberia are the most popular carriers operating from Glasgow Intl to Portland

When did momondo last update prices for flights from Glasgow Intl Airport to Portland Airport?

Prices for flights from Glasgow Intl Airport to Portland Airport were last updated today.

How many operators does momondo search for flights from Glasgow Intl Airport to Portland Airport?

As of October 2025, there are 3 operators available to choose from for flights from Glasgow Intl Airport to Portland Airport.

How old do you have to be to fly from Glasgow Intl Airport to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£305 Cheap Flights from Glasgow Intl Airport to Portland in 2025/26

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Find the cheapest flights from Glasgow Intl Airport to Portland

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:35 - 17:00GLA-PDX

12h 25m1 stop

14:45 - 09:55PDX-GLA

11h 10m1 stop

£648Icelandair

Find Deal

Mon, 24 Nov - Mon, 8 Dec

06:05 - 11:25GLA-PDX

13h 20m1 stop

07:15 - 12:45PDX-GLA

21h 30m2 stops

£671Delta

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Mon, 24 Nov - Mon, 8 Dec

06:05 - 17:43GLA-PDX

19h 38m2 stops

11:35 - 16:35PDX-GLA

21h 00m2 stops

£676Delta

Find Deal

Mon, 24 Nov - Mon, 8 Dec

12:45 - 15:55GLA-PDX

35h 10m1 stop

18:45 - 16:35PDX-GLA

14h 50m1 stop

£710American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

20:20 - 15:55GLA-PDX

27h 35m1 stop

18:45 - 14:30PDX-GLA

12h 45m1 stop

£711British Airways

Find Deal

Thu, 5 Mar - Mon, 9 Mar

08:40 - 20:24GLA-PDX

19h 44m2 stops

06:00 - 14:30PDX-GLA

25h 30m2 stops

£713American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

10:55 - 15:55GLA-PDX

13h 00m1 stop

17:45 - 14:15PDX-GLA

12h 30m1 stop

£720British Airways

Find Deal

Wed, 26 Nov - Wed, 3 Dec

11:40 - 22:59GLA-PDX

19h 19m2 stops

17:45 - 14:15PDX-GLA

12h 30m1 stop

£741Multiple Airlines

Find Deal

Wed, 26 Nov - Wed, 3 Dec

06:05 - 16:29GLA-PDX

18h 24m2 stops

13:38 - 12:45PDX-GLA

16h 07m2 stops

£783KLM

Find Deal

Thu, 5 Mar - Mon, 9 Mar

08:20 - 17:00GLA-PDX

16h 40m2 stops

09:50 - 16:15PDX-GLA

22h 25m3 stops

£866Multiple Airlines

Find Deal

Mon, 24 Nov - Mon, 8 Dec

Icelandair flights from Glasgow Intl Airport to Portland

Our best Icelandair deals on Glasgow Intl Airport to Portland flight tickets

Icelandair

24 Nov

GLA12:35Glasgow Intl

12h 25m

1 stop

PDX17:00Portland

8 Dec

PDX14:45Portland

11h 10m

1 stop

GLA09:55Glasgow Intl

£648

Find similar

Icelandair

19 Dec

GLA12:35Glasgow Intl

12h 25m

1 stop

PDX17:00Portland

3 Jan

PDX14:45Portland

11h 10m

1 stop

GLA09:55Glasgow Intl

£1,466

Find similar

Delta flights from Glasgow Intl Airport to Portland

Our best Delta deals on Glasgow Intl Airport to Portland flight tickets

Delta

24 Nov

GLA06:05Glasgow Intl

13h 20m

1 stop

PDX11:25Portland

8 Dec

PDX07:15Portland

21h 30m

2 stops

GLA12:45Glasgow Intl

£671

Find similar

Delta

24 Nov

GLA06:05Glasgow Intl

19h 38m

2 stops

PDX17:43Portland

8 Dec

PDX11:35Portland

21h 00m

2 stops

GLA16:35Glasgow Intl

£676

Find similar

Delta

5 Mar

GLA06:05Glasgow Intl

18h 24m

2 stops

PDX16:29Portland

9 Mar

PDX13:38Portland

16h 07m

2 stops

GLA12:45Glasgow Intl

£742

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momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 24/11

12:35-17:00

1 stop12h 25m

Portland

Mon 8/12

14:45-09:55

1 stop11h 10m

£648

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 24/11

06:05-11:25

1 stop13h 20m

Portland

Mon 8/12

07:15-12:45

2 stops21h 30m

£671

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 24/11

06:05-17:43

2 stops19h 38m

Portland

Mon 8/12

11:35-16:35

2 stops21h 00m

£676

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

12:45-15:55

1 stop35h 10m

Portland

Mon 9/3

18:45-16:35

1 stop14h 50m

£710

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

20:20-15:55

1 stop27h 35m

Portland

Mon 9/3

18:45-14:30

1 stop12h 45m

£711

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

08:40-20:24

2 stops19h 44m

Portland

Mon 9/3

06:00-14:30

2 stops25h 30m

£713

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 26/11

10:55-15:55

1 stop13h 00m

Portland

Wed 3/12

17:45-14:15

1 stop12h 30m

£720

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 26/11

11:40-22:59

2 stops19h 19m

Portland

Wed 3/12

17:45-14:15

1 stop12h 30m

£741

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

06:05-16:29

2 stops18h 24m

Portland

Mon 9/3

13:38-12:45

2 stops16h 07m

£783

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 24/11

08:20-17:00

2 stops16h 40m

Portland

Mon 8/12

09:50-16:15

3 stops22h 25m

£866

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow Intl Airport to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Glasgow Intl Airport is in November. Flight prices, which tend to average around £592, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until September to fly from Glasgow Intl Airport, when ticket prices are also cheap, with an average price of £608.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as £623. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around £898.

What is the cheapest time of day to depart on your flight to Portland?

Flying to Portland from Glasgow Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £624 when looking at flights departing in the afternoon. Try not to purchase tickets at midday because they tend to be around £719. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Glasgow Intl Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Glasgow Intl Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Glasgow Intl Airport to Portland (GLA to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Portland

Direct flights	None

There are no direct flights from Glasgow Intl Airport to Portland. There are no popular flight routes from Glasgow Intl Airport to Portland.

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How far is Glasgow Intl to Portland by plane?
The distance between Glasgow Intl and Portland is about 4566.0 mi. By plane, this route typically takes 12h 25m.
When did momondo last update prices for flights from Glasgow Intl Airport to Portland Airport?
Prices for flights from Glasgow Intl Airport to Portland Airport were last updated today.
How many operators does momondo search for flights from Glasgow Intl Airport to Portland Airport?
As of October 2025, there are 3 operators available to choose from for flights from Glasgow Intl Airport to Portland Airport.
How old do you have to be to fly from Glasgow Intl Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Glasgow Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Glasgow Intl Airport to Portland?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Glasgow Intl Airport to Portland is Icelandair (42% of total bookings). The next most popular airlines are British Airways (35%) and Finnair (22%).

Best airlines flying from Glasgow Intl Airport to Portland

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Portland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £501	Free Cancellation	Rating 6.7 7,478 reviews	Search British Airways flights
Icelandair	PriceFrom £568	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
Finnair	PriceFrom £589	Free Cancellation	Rating 7.6 1,333 reviews	Search Finnair flights

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Astoria

Seaside

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Portland for you.

Can I find flights from Glasgow to Portland with flexible booking policies on momondo?

All flight searches from Glasgow to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Glasgow to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Glasgow to Portland.

I’m not ready to book a flight from Glasgow to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Glasgow. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.