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

Iberia, British Airways, and Icelandair are the most popular carriers operating from Glasgow to Portland

Which airlines fly to Portland?

British Airways, Finnair and Icelandair are the top three most popular airlines that fly to Portland from Glasgow according to our data. British Airways is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Glasgow to Portland Airport refresh daily.

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

The number of operators available for flights from Glasgow to Portland Airport is 3 as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow to Portland Airport.

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

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£309 Cheap Flights from Glasgow to Portland in 2025/26

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Find the cheapest flights from Glasgow to Portland

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:45 - 15:55GLA-PDX

35h 10m1 stop

18:45 - 18:15PDX-GLA

16h 30m1 stop

£707American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

13:45 - 15:55GLA-PDX

34h 10m1 stop

06:00 - 14:30PDX-GLA

25h 30m2 stops

£710American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

08:55 - 15:55GLA-PDX

15h 00m1 stop

17:45 - 16:35PDX-GLA

14h 50m1 stop

£741British Airways

Find Deal

Mon, 8 Dec - Mon, 22 Dec

12:35 - 17:00GLA-PDX

12h 25m1 stop

10:30 - 09:55PDX-GLA

15h 25m2 stops

£742Icelandair

Find Deal

Wed, 10 Dec - Wed, 7 Jan

06:05 - 18:50GLA-PDX

20h 45m2 stops

13:38 - 12:45PDX-GLA

16h 07m2 stops

£762Delta

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Thu, 5 Mar - Mon, 9 Mar

06:05 - 20:32GLA-PDX

22h 27m2 stops

13:38 - 12:45PDX-GLA

16h 07m2 stops

£764Delta

Find Deal

Thu, 5 Mar - Mon, 9 Mar

23:00 - 09:34GLA-PDX

42h 34m2 stops

14:45 - 09:55PDX-GLA

11h 10m1 stop

£773Multiple Airlines

Find Deal

Fri, 12 Dec - Mon, 5 Jan

12:35 - 17:00GLA-PDX

12h 25m1 stop

13:51 - 09:55PDX-GLA

36h 04m2 stops

£788Multiple Airlines

Find Deal

Mon, 15 Dec - Mon, 5 Jan

12:50 - 00:37GLA-PDX

19h 47m2 stops

08:30 - 12:05PDX-GLA

19h 35m2 stops

£797Lufthansa

Find Deal

Wed, 10 Dec - Wed, 7 Jan

20:25 - 19:10GLA-PDX

30h 45m2 stops

17:45 - 16:35PDX-GLA

14h 50m1 stop

£815British Airways

Find Deal

Mon, 8 Dec - Mon, 22 Dec

American Airlines flights from Glasgow to Portland

Our best American Airlines deals on Glasgow to Portland flight tickets

American Airlines

5 Mar

GLA12:45Glasgow Intl

35h 10m

1 stop

PDX15:55Portland

9 Mar

PDX18:45Portland

16h 30m

1 stop

GLA18:15Glasgow Intl

£707

Find similar

American Airlines

5 Mar

GLA13:45Glasgow Intl

34h 10m

1 stop

PDX15:55Portland

9 Mar

PDX06:00Portland

25h 30m

2 stops

GLA14:30Glasgow Intl

£710

Find similar

American Airlines

5 Mar

GLA08:40Glasgow Intl

21h 08m

2 stops

PDX21:48Portland

9 Mar

PDX18:45Portland

16h 30m

1 stop

GLA18:15Glasgow Intl

£727

Find similar

Delta flights from Glasgow to Portland

Our best Delta deals on Glasgow to Portland flight tickets

Delta

5 Mar

GLA06:05Glasgow Intl

20h 45m

2 stops

PDX18:50Portland

9 Mar

PDX13:38Portland

16h 07m

2 stops

GLA12:45Glasgow Intl

£762

Find similar

Delta

5 Mar

GLA06:05Glasgow Intl

22h 27m

2 stops

PDX20:32Portland

9 Mar

PDX13:38Portland

16h 07m

2 stops

GLA12:45Glasgow Intl

£764

Find similar

Fly from

Fly to

Route

Depart

Return

Price

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

12:45-15:55

1 stop35h 10m

Portland

Mon 9/3

18:45-18:15

1 stop16h 30m

£707

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

13:45-15:55

1 stop34h 10m

Portland

Mon 9/3

06:00-14:30

2 stops25h 30m

£710

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 8/12

08:55-15:55

1 stop15h 00m

Portland

Mon 22/12

17:45-16:35

1 stop14h 50m

£741

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 10/12

12:35-17:00

1 stop12h 25m

Portland

Wed 7/1

10:30-09:55

2 stops15h 25m

£742

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

06:05-18:50

2 stops20h 45m

Portland

Mon 9/3

13:38-12:45

2 stops16h 07m

£762

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Thu 5/3

06:05-20:32

2 stops22h 27m

Portland

Mon 9/3

13:38-12:45

2 stops16h 07m

£764

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Fri 12/12

23:00-09:34

2 stops42h 34m

Portland

Mon 5/1

14:45-09:55

1 stop11h 10m

£773

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 15/12

12:35-17:00

1 stop12h 25m

Portland

Mon 5/1

13:51-09:55

2 stops36h 04m

£788

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Wed 10/12

12:50-00:37

2 stops19h 47m

Portland

Wed 7/1

08:30-12:05

2 stops19h 35m

£797

GlasgowPortland

GLA - PDX

GLAPDX

Glasgow Intl

Mon 8/12

20:25-19:10

2 stops30h 45m

Portland

Mon 22/12

17:45-16:35

1 stop14h 50m

£815

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow 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 is in January. Flight prices, which tend to average around £600, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until September to fly from Glasgow, when ticket prices are also cheap, with an average price of £616.

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 £631. 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 £910.

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

Flying to Portland from Glasgow in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £633 when looking at flights departing in the afternoon. Try not to purchase tickets at midday because they tend to be around £729. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Glasgow to Portland flight deals and tips

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

Direct flights	None

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

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How far is Glasgow to Portland by plane?
The straight-line distance from Glasgow to Portland is 4571.4 mi. By plane, this route typically takes 12h 25m.
When did momondo last update prices for flights from Glasgow to Portland Airport?
Prices for flights from Glasgow to Portland Airport refresh daily.
How many operators does momondo search for flights from Glasgow to Portland Airport?
The number of operators available for flights from Glasgow to Portland Airport is 3 as of November 2025.
How old do you have to be to fly from Glasgow to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Glasgow to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Glasgow to Portland

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £487	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
British Airways	PriceFrom £508	Free Cancellation	Rating 6.7 7,521 reviews	Search British Airways flights
Finnair	PriceFrom £562	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
KLM	PriceFrom £570	Free Cancellation	Rating 7.7 1,411 reviews	Search KLM flights
Icelandair	PriceFrom £575	Free Cancellation	Rating 7.1 578 reviews	Search Icelandair flights
Lufthansa	PriceFrom £584	Free Cancellation	Rating 6.8 7,572 reviews	Search Lufthansa flights

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If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Glasgow and alert you when they change.