$267 Cheap Flights from Portland (PDX) to Glasgow (GGW)

View $267 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Glasgow, MT (GGW-Glasgow Valley County)

Cheap Flights from Portland to Glasgow (PDX-GGW)

Prices were available within the past 7 days and start at $267 for one-way flights and $475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 15 - Wed, Nov 19
PDX
Portland
GGW
Glasgow
$475 Roundtrip, found 2 days ago
$475
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Nov 15 from Portland to Glasgow, returning Wed, Nov 19, priced at $475 found 2 days ago
United
Sun, Nov 9 - Wed, Nov 12
PDX
Portland
GGW
Glasgow
$533 Roundtrip, found 3 days ago
$533
Roundtrip
found 3 days ago
Select United flight, departing Sun, Nov 9 from Portland to Glasgow, returning Wed, Nov 12, priced at $533 found 3 days ago
United
Sun, Nov 9 - Sat, Nov 15
PDX
Portland
GGW
Glasgow
$541 Roundtrip, found 3 days ago
$541
Roundtrip
found 3 days ago
Select United flight, departing Sun, Nov 9 from Portland to Glasgow, returning Sat, Nov 15, priced at $541 found 3 days ago
Hawaiian Airlines
Fri, Nov 7 - Sat, Nov 15
PDX
Portland
GGW
Glasgow
$555 Roundtrip, found 3 days ago
$555
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Fri, Nov 7 from Portland to Glasgow, returning Sat, Nov 15, priced at $555 found 3 days ago
United
Thu, Nov 6 - Thu, Nov 13
PDX
Portland
GGW
Glasgow
$566 Roundtrip, found 3 days ago
$566
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 6 from Portland to Glasgow, returning Thu, Nov 13, priced at $566 found 3 days ago
United
Tue, Nov 4 - Wed, Nov 12
PDX
Portland
GGW
Glasgow
$571 Roundtrip, found 3 days ago
$571
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 4 from Portland to Glasgow, returning Wed, Nov 12, priced at $571 found 3 days ago
United
Thu, Nov 6 - Fri, Nov 14
PDX
Portland
GGW
Glasgow
$574 Roundtrip, found 3 days ago
$574
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 6 from Portland to Glasgow, returning Fri, Nov 14, priced at $574 found 3 days ago
United
Wed, Nov 5 - Wed, Nov 12
PDX
Portland
GGW
Glasgow
$576 Roundtrip, found 3 days ago
$576
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 5 from Portland to Glasgow, returning Wed, Nov 12, priced at $576 found 3 days ago

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW) cost?
Lock in a cheap one-way flight from $267 or cheap return flight from $475 from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW) 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 Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW)?
The cheapest month to fly from PDX to GGW is November, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to GGW flight.
How many flights per day from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW)?
There aren't any daily nonstop flights departing from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PDX to GGW?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 (GGW)?
Choose a flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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 (GGW) last-minute?
Last-minute bookings from PDX to GGW are typically more expensive. To secure the lowest rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a PDX to GGW flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to GGW flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Glasgow Intl. Airport (GGW)?
It's generally possible to cancel or reschedule your PDX to GGW 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 if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Portland Intl.
Destination airport
Glasgow Valley County
Roundtrip price
$475
Distance
773 mi

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 November. 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 $267 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.