$895 Cheap Flights from Glasgow (GLA) to Portland (PWM)

View $895 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Glasgow International Airport (GLA) to Portland Intl. Jetport Airport (PWM)

Cheap Flights from Glasgow to Portland (GLA-PWM)

Prices were available within the past 7 days and start at $895 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 28 - Thu, Nov 13
GLA
Glasgow
PWM
Portland
$755 Roundtrip, found 2 days ago
$755
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 28 from Glasgow to Portland, returning Thu, Nov 13, priced at $755 found 2 days ago
American Airlines
Mon, Sep 22 - Mon, Oct 13
GLA
Glasgow
PWM
Portland
$759 Roundtrip, found 2 days ago
$759
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 22 from Glasgow to Portland, returning Mon, Oct 13, priced at $759 found 2 days ago
Delta
Tue, Sep 23 - Tue, Oct 7
GLA
Glasgow
PWM
Portland
$771 Roundtrip, found 2 days ago
$771
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 23 from Glasgow to Portland, returning Tue, Oct 7, priced at $771 found 2 days ago
Virgin Atlantic
Sun, Nov 2 - Tue, Nov 11
GLA
Glasgow
PWM
Portland
$775 Roundtrip, found 2 days ago
$775
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Nov 2 from Glasgow to Portland, returning Tue, Nov 11, priced at $775 found 2 days ago
American Airlines
Sat, Nov 1 - Thu, Nov 13
GLA
Glasgow
PWM
Portland
$782 Roundtrip, found 2 days ago
$782
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Nov 1 from Glasgow to Portland, returning Thu, Nov 13, priced at $782 found 2 days ago
American Airlines
Fri, Sep 26 - Mon, Oct 13
GLA
Glasgow
PWM
Portland
$786 Roundtrip, found 2 days ago
$786
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 26 from Glasgow to Portland, returning Mon, Oct 13, priced at $786 found 2 days ago
Delta
Tue, Sep 23 - Sat, Oct 11
GLA
Glasgow
PWM
Portland
$798 Roundtrip, found 2 days ago
$798
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 23 from Glasgow to Portland, returning Sat, Oct 11, priced at $798 found 2 days ago
Virgin Atlantic
Sun, Nov 2 - Fri, Nov 14
GLA
Glasgow
PWM
Portland
$802 Roundtrip, found 2 days ago
$802
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Nov 2 from Glasgow to Portland, returning Fri, Nov 14, priced at $802 found 2 days ago
Virgin Atlantic
Sun, Sep 28 - Tue, Oct 7
GLA
Glasgow
PWM
Portland
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Sep 28 from Glasgow to Portland, returning Tue, Oct 7, priced at $804 found 2 days ago
KLM
Sun, Sep 14 - Wed, Sep 24
GLA
Glasgow
PWM
Portland
$852 Roundtrip, found 2 days ago
$852
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Sep 14 from Glasgow to Portland, returning Wed, Sep 24, priced at $852 found 2 days ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $755
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $755
Flights from Glasgow (GLA) to Portland (PWM)
Origin airport
Glasgow Intl.
Destination airport
Portland Intl. Jetport
Roundtrip price
$754
Distance
2936 mi

Glasgow to Portland Flights

The cheapest times to fly from Glasgow to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Glasgow to Portland are during the month of October. You can find some of the cheapest flights from Glasgow to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Glasgow to Portland

Sunday is one of the best days to book for cheap flights from Glasgow to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Glasgow to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Glasgow to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $895 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Glasgow to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Glasgow to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM) cost?
Secure a cheap one-way flight from $895 or cheap return flight from $755 from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM)?
Flying in October is a great way to save, as it's the cheapest month for flights between GLA and PWM. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from GLA to PWM. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM)?
Direct flights from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GLA to PWM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM)?
Opt for a flight from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM) last-minute?
Last-minute fares from GLA to PWM are typically more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a GLA to PWM flight and hotel package?
You'll typically save money by booking a GLA to PWM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Glasgow Intl. Airport (GLA) to Portland Intl. Jetport Airport (PWM)?
If you reserved your GLA to PWM flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.