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302 € Cheap Flights from Kalispell to Portland

Compare Kalispell to Portland flight deals

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

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Flight deals from Kalispell to Portland

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Portland Airport? If you want to travel next month, return fares start from 360 €. Find the lowest prices on one-way and return tickets right here.
Portland.302 € per passenger.Departing Thu, 24 Sep, returning Sun, 27 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Thu, 24 Sep, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sun, 27 Sep, arriving in Kalispell.Price includes taxes and charges.From 302 €, select.
Portland.351 € per passenger.Departing Fri, 26 Jun, returning Sun, 28 Jun.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Kalispell on Fri, 26 Jun, arriving in Portland.Inbound direct flight with Alaska Airlines departs from Portland on Sun, 28 Jun, arriving in Kalispell.Price includes taxes and charges.From 351 €, select.
Portland.352 € per passenger.Departing Mon, 29 Jun, returning Sun, 12 Jul.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Kalispell on Mon, 29 Jun, arriving in Portland.Inbound indirect flight with Allegiant Air, departs from Portland on Sun, 12 Jul, arriving in Kalispell.Price includes taxes and charges.From 352 €, select.
Portland.355 € per passenger.Departing Thu, 13 Aug, returning Tue, 18 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Thu, 13 Aug, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Tue, 18 Aug, arriving in Kalispell.Price includes taxes and charges.From 355 €, select.
Portland.358 € per passenger.Departing Sat, 13 Mar, returning Sun, 21 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Sat, 13 Mar, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sun, 21 Mar, arriving in Kalispell.Price includes taxes and charges.From 358 €, select.
Portland.360 € per passenger.Departing Wed, 1 Jul, returning Sat, 4 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Wed, 1 Jul, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sat, 4 Jul, arriving in Kalispell.Price includes taxes and charges.From 360 €, select.

Find the cheapest month to fly from Kalispell to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Portland flights are currently cheapest in September.
Jun
from 351 €
Jul
from 360 €
Aug
from 355 €
Sep
from 302 €
Oct
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Nov
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Dec
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Jan
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Feb
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Mar
from 358 €
Apr
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May
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Direct flights from Kalispell to Portland

Kalispell to Portland: Alternative routes

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

Portland

10km from central Portland
ClosestCheapest
from 302 €
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Salem

72km from central Portland
Search flights

Kalispell to Portland: Flight information

The things to know before you go.
Cheapest flight found302 €
Cheapest month to flySeptember
Average flight time1 hr, 40 mins
Most popular airlineAlaska Airlines
Average flights per week15

Finding cheap flights from Kalispell to Portland: Frequently asked questions

The best price we found for a return flight from Kalispell to Portland is 302 €. 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 40 minutes is the average flight time from Kalispell to Portland.
Alaska Airlines and Horizon Air fly direct from Kalispell to Portland.
As of June 2026, there are 15 flights per week flying from Kalispell to Portland.
The cheapest month to fly from Kalispell to Portland is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Portland Airport on Thursday, 24 September 2026.
Yes – the average flight time is 1 hour and 40 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 Portland 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 Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Portland.

Travelling from Kalispell Airport (FCA) to Portland Airport (PDX): what you need to know

  • Around 1 hour 35 minutes is how long you can expect to be in the air on a direct flight from Kalispell Airport to Portland Airport.

  • The timezone in Portland is UTC-8, which is one hour behind Kalispell.

  • Choose from six weekly Kalispell Airport to Portland Airport flights. The 13:10 departure with Alaska Airlines is the earliest flight available. Alaska Airlines operates the latest service of the day at 18:59.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your FCA to PDX flight.

  • Travelling during a peak month like August? Major public holidays and other popular periods can result in longer queues at airport checkpoints. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Alaska Airlines is your ticket to exploring Portland (and perhaps some other great parts of the United States!). Browse the direct flights from Kalispell Airport to Portland Airport offered by this popular airline.

  • Alaska Airlines is the airline with the highest passenger demand for this route.

  • With a reliable 95.31% of services arriving on schedule, Alaska Airlines is the most punctual carrier for FCA to PDX flights.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Kalispell Airport to Portland Airport. These are the top stopovers between FCA and PDX:

    • Denver International Airport

    • Salt Lake City Airport

    • Oakland Metropolitan Oak Airport

How to find the cheapest flights from Kalispell Airport (FCA) to Portland Airport (PDX)

  • The cheapest price we've found for a one-way Kalispell Airport to Portland Airport flight is 169 €. A round-trip plane ticket is currently 302 €. Depending on the availability and when you book, these fares could change.

  • Score cheap tickets from FCA to PDX by booking one month ahead. Based on our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for flights from Kalispell Airport to Portland Airport is June. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • You don't need to check every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as the price changes on cheap flights from FCA to PDX.

  • Tailor your flights using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Kalispell Airport to Portland Airport.

Handy information about Kalispell Airport (FCA)

  • You'll find FCA at 4170 Highway 2 East.

  • Kalispell Airport gets top marks for on-time performance. 83% of flights that take off from FCA land on time.

  • Central Kalispell to Kalispell Airport is approximately 11 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • The trip on public transport typically takes 30 minutes.

  • Need a handy hotel close to FCA? If you're boarding an early flight from Kalispell Airport to Portland Airport, these accommodation options will have you sleeping moments from check-in:

Arriving at Portland Airport (PDX)

When to fly to Portland Airport (PDX)

  • July is the most popular month for flights from Kalispell Airport to Portland Airport. To steer clear of the crowds, travel to Portland in March.

  • When booking your flight from Kalispell Airport to Portland Airport, think about the type of weather you like. August is the warmest month in Portland, with temperatures ranging from 12ºC (54ºF) to 31ºC (88ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from FCA to PDX in January. Average temperatures are between -2ºC (28ºF) and 10ºC (50ºF) then.

Explore more of the United States

  • Portland is always a good idea, but there are so many other parts of the United States you'll want to see. About 241 kilometres north of Portland, a trip to Seattle will keep you on the move. Don't miss top attractions like Space Needle, Pike Place Market and Seattle Skyline.

  • If you want to check out another major destination in the United States, head for Spokane, roughly 467 kilometres north-east of Portland. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are key highlights.

Plan the rest of your trip from Kalispell to Portland

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.