$168 Find Cheap Flights from Austin to Kalispell - Compare and Save

Among airlines operating Austin to Kalispell flights:

• Delta: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Flights from Austin to Kalispell usually depart from Austin Bergstrom (AUS) and arrive at Kalispell Glacier Park (FCA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Austin to Kalispell:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $348 round-trip via Seattle/Tacoma Intl (SEA), compared to $1,129 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Austin to Kalispell most commonly connect through:

• Denver Intl (DEN) - 63% of one-stop connections
• Dallas/Fort Worth (DFW) - 19% of one-stop connections
• Salt Lake City (SLC) - 5% of one-stop connections
• Portland (PDX) - 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 23% on the Austin to Kalispell route. Tuesday is the cheapest departure day at $483 round-trip on average, while Sunday is the most expensive at $627, a difference of $144. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Austin to Kalispell route, 7% of flights were delayed in the past 3 months, with delays averaging 2 hours 43 minutes.

Last-minute fares on this route - booked within 2 weeks of departure - run 35% above the route average of $590. Book 9 weeks before departure for the lowest fares.

A nonstop flight from Austin to Kalispell takes 0h 00m, covering 1,526 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $281 to $1,820. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Austin to Kalispell are currently lower than usual. Average one-way flight prices are about $183, which is 39% below the typical average for this route.

Delta is the only airline operating Austin to Kalispell flights. 93% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 53m, compared with 6h 06m via Dallas/Fort Worth (DFW) and 6h 16m via Salt Lake City (SLC).

Kalispell is 1 hour behind Austin (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Kalispell Glacier Park Airport (FCA) hosts 5 major car rental companies, with daily rates starting from around $21 for economy cars. Top options include:
• Avis
• Budget
• Enterprise Rent-A-Car
• Payless
• Thrifty

Round-trip flights from Austin to Kalispell range from $415 to $776, with an average of $590 over the past 12 months. Anything below $415 counts as a good deal.

Delta is the only airline on the Austin to Kalispell route offering in-flight Wi-Fi. Pricing depends on fare class.