Cheap flights from Kalispell to Austin-Bergstrom

Compare Kalispell to Austin-Bergstrom flight deals

Find the cheapest month or even day of the year to fly to Austin-Bergstrom

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Flight deals from Kalispell to Austin-Bergstrom

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Austin-Bergstrom Airport? If you want to travel next month, return fares start from $879. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kalispell to Austin-Bergstrom

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

Direct flights from Kalispell to Austin-Bergstrom

Kalispell to Austin-Bergstrom: Alternative routes

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

Kalispell to Austin: Flight information

The things to know before you go.
Cheapest flight found$292
Cheapest month to flyAugust
Average flight time3 hrs, 51 mins
Most popular airlineDelta
Average flights per week5

Finding cheap flights from Kalispell to Austin-Bergstrom: Frequently asked questions

The best price we found for a return flight from Kalispell to Austin-Bergstrom is $589. 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.
3 hours and 51 minutes is the average flight time from Kalispell to Austin-Bergstrom.
Delta, SkyWest Airlines and KLM fly direct from Kalispell to Austin-Bergstrom.
As of June 2026, there are 5 flights per week flying from Kalispell to Austin-Bergstrom.
The cheapest month to fly from Kalispell to Austin-Bergstrom is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Austin-Bergstrom Airport on Friday, 21 August 2026.
Yes – the average flight time is 3 hours and 51 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 Austin-Bergstrom 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 Austin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Austin-Bergstrom.

Travelling from Kalispell Airport (FCA) to Austin-Bergstrom Airport (AUS): what you need to know

  • The average time for a direct flight from Kalispell Airport to Austin-Bergstrom Airport is 3 hours 30 minutes.

  • Austin is one hour ahead of Kalispell and is in the UTC-6 timezone.

  • Give yourself enough time to catch your FCA to AUS flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time like August? Public holidays and other high seasons can mean longer queues at check-in and security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Delta offers direct flights from Kalispell Airport to Austin-Bergstrom Airport. Book with this popular airline, then get ready to discover the sights in Austin — and maybe even more of the United States if time allows.

  • Delta has the highest passenger demand on this route.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Kalispell Airport to Austin-Bergstrom Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to explore the city of your choice. Worthwhile stopovers between FCA and AUS include:

    • Dallas Fort Worth International Airport

    • Denver International Airport

    • Houston George Bush Intercntl. Airport

How to find the cheapest flights from Kalispell Airport (FCA) to Austin-Bergstrom Airport (AUS)

  • $292 is the best price for a one-way Kalispell Airport to Austin-Bergstrom Airport flight. Return flights start at $589. These prices can change based on demand.

  • To score cheap tickets from FCA to AUS, book ahead. Airlines generally offer the most competitive fares when flights are first made available.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll show you the lowest price in each month when searching for your flight from Kalispell Airport to Austin-Bergstrom Airport.

  • Save time looking for cheap flights from FCA to AUS by setting up a Price Alert. You'll receive an email or notification through the app when fares go down.

  • Tailor your trip with filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Kalispell Airport to Austin-Bergstrom Airport.

Handy information about Kalispell Airport (FCA)

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

  • 83% of flights leaving Kalispell Airport arrive at their destination on schedule. Given its impressive on-time stats, disruptions are unlikely when setting off from FCA.

  • Kalispell Airport is around 11 kilometres from central Kalispell. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 15 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of about 30 minutes when using public transport.

  • Get your break off to a leisurely start by staying near FCA. Whether you're catching an early flight from Kalispell Airport to Austin-Bergstrom Airport or just don't like being rushed, these stays have you covered:

Arriving at Austin-Bergstrom Airport (AUS)

When to fly to Austin-Bergstrom Airport (AUS)

  • The quietest month for a flight from Kalispell Airport to Austin-Bergstrom Airport is March, while July is the most popular. Choose the ideal time to go to Austin based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Austin is August, with the temperature ranging between 23ºC (73ºF) and 41ºC (106ºF). Lock in your flights from Kalispell Airport to Austin-Bergstrom Airport in this month if you like this kind of weather.

  • If you like cooler conditions, look for a cheap ticket from FCA to AUS in January. Average temperatures are between 3ºC (37ºF) and 19ºC (66ºF) then.

Explore more of the United States

  • Austin has loads to offer, but there are so many other parts of the United States waiting to be explored. About 241 kilometres east of Austin, a visit to Houston will keep your itinerary busy. Start with leading attractions like The Museum of Fine Arts, Houston, Beck Building, Houston Museum of Natural Science and The Menil Collection.

  • Around 121 kilometres south-west of Austin, San Antonio is another favourite stop in the United States. Get a taste of what this destination has to offer at San Antonio River Walk, San Antonio River walk and Alamo Plaza.

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