CA $144 Cheap Flights from Portland (PDX) to Great Falls (GTF)

View CA $144 flight on Sat, Apr 11, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Great Falls, MT (GTF-Great Falls Intl.)

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Cheap flights from Portland (PDX) to Great Falls (GTF)

Prices were available within the past 7 days and start at CA $144 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Find the cheapest month to fly from Portland (PDX) to Great Falls (GTF)

February is typically the cheapest month to fly

From CA $271 - CA $841 per traveller.

Frequently asked questions

How much is a flight from PDX Airport to Great Falls Intl. Airport?
The lowest price advertised for a round-trip journey between PDX Airport and Great Falls Intl. Airport is . But you better get a move on. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PDX to Great Falls Intl. Airport?
This can vary between air carriers, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from PDX to GTF that have flexible change policies?
Flights from Portland Intl. Airport (PDX) to Great Falls Intl. Airport (GTF) offering flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the fare difference, with no additional fees to worry about.
How many hours is the flight from PDX Airport to Great Falls Intl. Airport (GTF)?
There are lots of ways to make the 4 hours and 14 minutes between Portland Intl. Airport (PDX) and Great Falls Intl. Airport (GTF) go by quicker. If you want to be productive, organize your camera roll or clear out all those backed-up emails. A nice snooze also helps pass the time!
How far is the flight from Portland Intl. Airport (PDX) to GTF?
With a flight distance of 880 kilometres, it's only a hop from PDX to Great Falls Intl. Airport (GTF). It might be a quick journey, but it's still worth packing something to keep you entertained on board.
Which airlines fly direct from Portland Airport to GTF?
Flying nonstop between PDX and Great Falls Intl. Airport (GTF) isn't possible at this time. However, you'll still be able to book a flight to Great Falls with at least one stop.
Are PDX Airport to Great Falls Intl. Airport (GTF) flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute flight deals between Portland Intl. Airport (PDX) and GTF are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers advertise their prices up to 12 months prior to the departure date. Expedia is constantly updating the best airfare bargains around, so check back often and be ready to lock in your seat when the price is right.

Travel information

Origin airport
Portland Intl.
Destination airport
Great Falls Intl.
Distance
878 km

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Portland to Great Falls Flights

The easy way to book your flights from Portland to Great Falls 

With Expedia, it’s simple to find and book flights to Great Falls from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 17 airlines that cover this route. There are nonstop flights to Great Falls Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Great Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from Portland Intl., PDX to Great Falls Intl., GTF 

Sort your search results by price to find great deals on your flight from Portland to Great Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Great Falls from Portland currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Great Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Great Falls from Portland 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Great Falls with Expedia today.

Portland to Great Falls Flights

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