Cheap flights from Portland to Kalispell

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Find the cheapest month or even day of the year to fly to Kalispell

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Find the cheapest month to fly from Portland to Kalispell

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Kalispell flights are currently cheapest in July.

Direct flights from Portland to Kalispell

Portland to Kalispell: Alternative routes

Compare routes from Portland to Kalispell below. You may find an airport to fly into that's cheaper, faster, or easier than Kalispell.

Portland to Kalispell: Flight information

The things to know before you go.
Cheapest flight foundP10,590
Cheapest month to flyJuly
Average flight time1 hr, 27 mins
Most popular airlineAlaska Airlines
Average flights per week15

Finding cheap flights from Portland to Kalispell: Frequently asked questions

The best price we found for a return flight from Portland to Kalispell is P20,164. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 27 minutes is the average flight time from Portland to Kalispell.
Alaska Airlines, Horizon Air and Hawaiian Airlines fly direct from Portland to Kalispell.
As of March 2026, there are 15 flights per week flying from Portland to Kalispell.
The cheapest month to fly from Portland to Kalispell is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Kalispell Airport on Monday, 25 May 2026.
Yes – the average flight time is 1 hour and 27 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kalispell but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kalispell is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Kalispell.

Flying from Portland International Airport (PDX) to Glacier Park International Airport (FCA): what you need to know

  • To ensure you catch your PDX to FCA flight, leave enough time to check in and drop off your luggage. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a high season in general.

  • Alaska Airlines offers direct flights from Portland International Airport to Glacier Park International Airport. Book with this popular airline, then get ready to see the sights in Kalispell — and maybe even more of United States if time allows.

  • The majority of travellers choose to fly with Alaska Airlines on this route.

  • Alaska Airlines tops the rankings as the most punctual carrier for PDX to FCA flights, with 80.0% of services reaching their destination on schedule.

  • Think about adding a stopover when booking your ticket from Portland International Airport to Glacier Park International Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here's where you can stop between PDX and FCA:

    • Salt Lake City International Airport

    • Metropolitan Oakland International Airport

    • San Francisco International Airport

How to find the cheapest flights from Portland International Airport (PDX) to Glacier Park International Airport (FCA)

  • P10,590 is currently the lowest price for a one-way Portland International Airport to Glacier Park International Airport flight. Return flights start at P20,164. These prices may change based on demand.

  • It's often best to book ahead of time if you're looking for cheap tickets from PDX to FCA. That's because flight prices are based on demand, which tends to increase closer to departure.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price in every month when searching for your flight from Portland International Airport to Glacier Park International Airport.

  • Stay on top of deals for cheap flights from PDX to FCA by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Tailor your flights with filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Portland International Airport to Glacier Park International Airport.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport gets high marks for on-time performance. 83.65% of flights that depart PDX arrive at their destination as scheduled.

  • To get to Portland International Airport from central Portland, it'll take about 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • The trip when using public transport takes about 45 minutes.

  • Have an early flight from Portland International Airport to Glacier Park International Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to PDX:

Arriving at Glacier Park International Airport (FCA)

Getting from Glacier Park International Airport (FCA) to central Kalispell

  • The street address for FCA is 4170 Highway 2 East.

  • Glacier Park International Airport is roughly 16 kilometres from the centre of Kalispell. The drive time takes about 20 minutes.

When to fly to Glacier Park International Airport (FCA)

  • The quietest month for a flight from Portland International Airport to Glacier Park International Airport is November, while July is the most popular. Choose the best time to go to Kalispell based on whether you prefer a more relaxed vibe or a faster pace.

  • Book your flight from Portland International Airport to Glacier Park International Airport for July if you want to visit Kalispell during its warmest month. You can expect temperatures of between 7ºC (45ºF) and 32ºC (90ºF).

  • Look for cheap tickets from PDX to FCA in February if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -17ºC (1ºF) and 1ºC (34ºF) on average.

Explore more of United States

  • Kalispell is easy to fall in love with, but there are so many other parts of United States waiting to be discovered. Around 241 kilometres west of Kalispell, a visit to Spokane will keep you busy. Start with popular sights like Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

  • Spokane Valley is another sought-after destination in United States and is around 225 kilometres west of Kalispell. No journey is complete without seeing Splash Down Waterpark, The Ref Sports Bar and Bead Lake Loop.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.