$402 Cheap Flights from Portland (PWM) to Glasgow (GLA)

View $402 flight on Tue, May 12, 2026Opens in a new window

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

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Cheap Flights from Portland to Glasgow (PWM-GLA)

Prices were available within the past 7 days and start at $402 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Wed, Oct 29 - Mon, Nov 17
PWM
Portland
GLA
Glasgow
$709 Roundtrip, found 6 days ago
$709
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Wed, Oct 29 from Portland to Glasgow, returning Mon, Nov 17, priced at $709 found 6 days ago
American Airlines
Tue, May 12 - Tue, May 19
PWM
Portland
GLA
Glasgow
$713 Roundtrip, found 6 days ago
$713
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, May 12 from Portland to Glasgow, returning Tue, May 19, priced at $713 found 6 days ago
Delta
Mon, Nov 10 - Thu, Nov 27
PWM
Portland
GLA
Glasgow
$715 Roundtrip, found 6 days ago
$715
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 10 from Portland to Glasgow, returning Thu, Nov 27, priced at $715 found 6 days ago
American Airlines
Tue, May 12 - Tue, May 19
PWM
Portland
GLA
Glasgow
$715 Roundtrip, found 6 days ago
$715
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, May 12 from Portland to Glasgow, returning Tue, May 19, priced at $715 found 6 days ago
Virgin Atlantic
Sun, Oct 26 - Tue, Nov 11
PWM
Portland
GLA
Glasgow
$724 Roundtrip, found 6 days ago
$724
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Sun, Oct 26 from Portland to Glasgow, returning Tue, Nov 11, priced at $724 found 6 days ago
American Airlines
Tue, May 12 - Tue, May 19
PWM
Portland
GLA
Glasgow
$726 Roundtrip, found 6 days ago
$726
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, May 12 from Portland to Glasgow, returning Tue, May 19, priced at $726 found 6 days ago
Delta
Tue, May 12 - Tue, May 19
PWM
Portland
GLA
Glasgow
$733 Roundtrip, found 6 days ago
$733
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, May 12 from Portland to Glasgow, returning Tue, May 19, priced at $733 found 6 days ago
KLM
Tue, Nov 4 - Tue, Nov 18
PWM
Portland
GLA
Glasgow
$735 Roundtrip, found 6 days ago
$735
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Nov 4 from Portland to Glasgow, returning Tue, Nov 18, priced at $735 found 6 days ago
Delta
Mon, Oct 6 - Tue, Oct 21
PWM
Portland
GLA
Glasgow
$739 Roundtrip, found 6 days ago
$739
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Oct 6 from Portland to Glasgow, returning Tue, Oct 21, priced at $739 found 6 days ago
JetBlue Airways
Tue, Oct 21 - Sat, Oct 25
PWM
Portland
GLA
Glasgow
$988 Roundtrip, found 23 hours ago
$988
Roundtrip
found 23 hours ago
Select JetBlue Airways flight, departing Tue, Oct 21 from Portland to Glasgow, returning Sat, Oct 25, priced at $988 found 23 hours ago

Alternative airports near Glasgow

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

Select flight to Glasgow Intl. GLA. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $789
GLA
Glasgow Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $789

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA) cost?
Snag a cheap one-way flight from $402 or cheap return flight from $709 from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA)?
October is the cheapest month to fly from PWM to GLA. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA)?
To find the cheapest airline that'll fly you from PWM to GLA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA)?
There aren't any daily direct flights from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from PWM to GLA?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA)?
To reach Glasgow Intl. Airport (GLA) without delays, pick a flight that takes off from Portland Intl. Jetport Airport (PWM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA) last-minute?
Last-minute bookings from PWM to GLA are usually more expensive. To secure the best rates, start searching for flights early. That said, if you're flexible with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a PWM to GLA flight and hotel package?
Compared with arranging flights and hotels separately, booking a PWM to GLA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Glasgow Intl. Airport (GLA)?
If you reserved your PWM to GLA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
Glasgow Intl.
Airlines serving
Air France, American Airlines, Delta, KLM
Roundtrip price
$709
Distance
2936 mi

Book with confidence

Book with confidence

Portland to Glasgow Flights

The cheapest times to fly from Portland to Glasgow

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 Portland to Glasgow are during the month of October. You can find some of the cheapest flights from Portland to Glasgow with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Glasgow

Sunday is one of the best days to book for cheap flights from Portland to Glasgow: 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 Portland to Glasgow

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 Portland to Glasgow in 2025. You can also book with separate airlines for your outbound and return journeys, from $402 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 Portland to Glasgow 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 Portland to Glasgow 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.

 

Portland to Glasgow Flights

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*Available to One Key members.