$369 Cheap Flights from Portland (PDX) to Glasgow (GLA)

View $369 flight on Mon, Apr 13, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Glasgow International Airport (GLA)

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Cheap Flights from Portland to Glasgow (PDX-GLA)

Prices were available within the past 7 days and start at $369 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sat, Mar 7 - Sun, Mar 15
PDX
Portland
GLA
Glasgow
$518 Roundtrip, found 1 day ago
$518
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Mar 7 from Portland to Glasgow, returning Sun, Mar 15, priced at $518 found 1 day ago
Icelandair
Mon, Mar 9 - Fri, Mar 27
PDX
Portland
GLA
Glasgow
$518 Roundtrip, found 15 hours ago
$518
Roundtrip
found 15 hours ago
Select Icelandair flight, departing Mon, Mar 9 from Portland to Glasgow, returning Fri, Mar 27, priced at $518 found 15 hours ago
Icelandair
Mon, Nov 3 - Mon, Nov 17
PDX
Portland
GLA
Glasgow
$525 Roundtrip, found 6 days ago
$525
Roundtrip
found 6 days ago
Select Icelandair flight, departing Mon, Nov 3 from Portland to Glasgow, returning Mon, Nov 17, priced at $525 found 6 days ago
Icelandair
Thu, Dec 11 - Sun, Dec 14
PDX
Portland
GLA
Glasgow
$533 Roundtrip, found 4 days ago
$533
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Dec 11 from Portland to Glasgow, returning Sun, Dec 14, priced at $533 found 4 days ago
Icelandair
Mon, Mar 16 - Fri, Apr 3
PDX
Portland
GLA
Glasgow
$535 Roundtrip, found 15 hours ago
$535
Roundtrip
found 15 hours ago
Select Icelandair flight, departing Mon, Mar 16 from Portland to Glasgow, returning Fri, Apr 3, priced at $535 found 15 hours ago
British Airways
Thu, Nov 6 - Tue, Nov 11
PDX
Portland
GLA
Glasgow
$536 Roundtrip, found 4 days ago
$536
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Nov 6 from Portland to Glasgow, returning Tue, Nov 11, priced at $536 found 4 days ago
Icelandair
Mon, Apr 27 - Fri, May 15
PDX
Portland
GLA
Glasgow
$541 Roundtrip, found 5 days ago
$541
Roundtrip
found 5 days ago
Select Icelandair flight, departing Mon, Apr 27 from Portland to Glasgow, returning Fri, May 15, priced at $541 found 5 days ago
American Airlines
Wed, Oct 15 - Wed, Nov 5
PDX
Portland
GLA
Glasgow
$563 Roundtrip, found 3 days ago
$563
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 15 from Portland to Glasgow, returning Wed, Nov 5, priced at $563 found 3 days ago
Delta
Wed, Oct 29 - Wed, Nov 5
PDX
Portland
GLA
Glasgow
$606 Roundtrip, found 3 days ago
$606
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 29 from Portland to Glasgow, returning Wed, Nov 5, priced at $606 found 3 days ago
Virgin Atlantic
Wed, Nov 12 - Wed, Dec 3
PDX
Portland
GLA
Glasgow
$607 Roundtrip, found 2 days ago
$607
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Nov 12 from Portland to Glasgow, returning Wed, Dec 3, priced at $607 found 2 days ago

Find the cheapest month to fly from Portland (PDX) to Glasgow (GLA)

November is typically the cheapest month to fly

From $518 - $1,023 per traveler.

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA) cost?
Grab a cheap one-way flight from $369 or cheap return flight from $518 from Portland Intl. Airport (PDX) 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. Airport (PDX) to Glasgow Intl. Airport (GLA)?
Planning your getaway for March can help you save, as it's the cheapest month for flights between PDX and GLA. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PDX to GLA flight.
How many flights per day from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA)?
You'll need to catch a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from PDX to GLA?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, 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. Airport (PDX) to Glasgow Intl. Airport (GLA)?
Book a flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA) that leaves before 3 PM to reduce the risk of cancellations. 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 Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA) last-minute?
Booking your flight from PDX to GLA right before your trip is generally more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a PDX to GLA flight and hotel package?
You can save money by securing a PDX to GLA 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 convenient place. Once you've selected your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GLA)?
Typically, it's possible to cancel or reschedule your PDX to GLA flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Glasgow Intl.
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Virgin Atlantic
Roundtrip price
$517
Distance
4563 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 March. 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 $369 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.