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$135+ Cheap flights from Kalispell to Austin (FCA - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — AUS
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Kalispell to Austin

Cheapest flights from Kalispell to Austin
Explore the most affordable flight options available from Kalispell to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:10 pm
FCA
-
AUS
1 stop8h 59m
Alaska Airlines
Sun 11/157:15 am
AUS
-
FCA
1 stop9h 20m
Alaska Airlines
Deal found 2/19$289
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
FCA
-
AUS
2 stops12h 59m
United Airlines
Tue 4/284:43 pm
AUS
-
FCA
1 stop5h 44m
United Airlines
Deal found 2/19$294
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:52 pm
FCA
-
AUS
1 stop26h 57m
Alaska Airlines
Sat 4/256:00 am
AUS
-
FCA
1 stop7h 03m
Alaska Airlines
Deal found 2/18$313
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:10 pm
FCA
-
AUS
2 stops10h 38m
Delta
Tue 4/286:00 am
AUS
-
FCA
2 stops12h 30m
Delta
Deal found 2/19$334
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/112:10 pm
FCA
-
AUS
2 stops10h 38m
Delta
Wed 5/611:30 am
AUS
-
FCA
2 stops12h 57m
Delta
Deal found 2/19$348
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:28 pm
FCA
-
AUS
2 stops20h 21m
Alaska Airlines
Wed 5/67:25 am
AUS
-
FCA
1 stop6h 38m
Alaska Airlines
Deal found 2/19$351
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:05 am
FCA
-
AUS
1 stop7h 27m
Alaska Airlines
Thu 4/97:04 pm
AUS
-
FCA
1 stop18h 08m
Alaska Airlines
Deal found 2/19$393
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:10 pm
FCA
-
AUS
2 stops20h 10m
Delta
Tue 4/2811:30 am
AUS
-
FCA
2 stops12h 57m
Delta
Deal found 2/19$412
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:33 am
FCA
-
AUS
2 stops9h 25m
Alaska Airlines
Mon 11/167:15 am
AUS
-
FCA
1 stop9h 20m
Alaska Airlines
Deal found 2/18$421

Find flight deals from Kalispell to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(Alaska Airlines)

One-way from

$135
(Kiwi.com)

Popular in

November

Cheapest in

December

Average price

$858
Provider with most accurate pricing for Kalispell Glacier Park-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kalispell Glacier Park-Austin Bergstrom flights.
Search Deals
From Kalispell Glacier Park to Austin Bergstrom
Search Deals
One-way flight from Kalispell Glacier Park to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Kalispell to Austin that are best for you.

Fly from

Kalispell

Fly to

Austin

Route

Depart

Return

Price

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Sat 4/25

6:00 am-7:59 pm

2 stops12h 59m

Austin Bergstrom

Tue 4/28

4:43 pm-9:27 pm

1 stop5h 44m

$294

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Tue 4/21

1:52 pm-12:34 am

1 stop9h 42m

Austin Bergstrom

Sat 4/25

6:00 am-12:03 pm

1 stop7h 03m

$313

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Sat 4/25

12:10 pm-11:48 pm

2 stops10h 38m

Austin Bergstrom

Tue 4/28

6:00 am-5:30 pm

2 stops12h 30m

$334

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Fri 5/1

12:10 pm-11:48 pm

2 stops10h 38m

Austin Bergstrom

Wed 5/6

11:30 am-11:27 pm

2 stops12h 57m

$348

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 4/2

6:05 am-2:32 pm

1 stop7h 27m

Austin Bergstrom

Thu 4/9

8:35 am-7:46 pm

1 stop12h 11m

$393

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Fri 4/24

6:10 pm-3:20 pm

2 stops20h 10m

Austin Bergstrom

Tue 4/28

11:30 am-11:27 pm

2 stops12h 57m

$412

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Fri 4/24

6:00 am-7:04 pm

1 stop12h 04m

Austin Bergstrom

Tue 4/28

4:43 pm-9:27 pm

1 stop5h 44m

$457

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 4/16

12:33 pm-7:44 pm

1 stop30h 11m

$135

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Sun 4/12

6:05 am-2:37 pm

1 stop7h 32m

$145

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Wed 5/13

4:14 pm-11:39 pm

1 stop6h 25m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 14 results
1
2

Compare providers for flights from Kalispell to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to Austin in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kalispell-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kalispell-Austin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Kalispell with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kalispell to Austin

What is the cheapest month to book a flight from Kalispell to Austin?

Currently, October is the cheapest month in which you can book a flight from Kalispell to Austin (average of $151). Flying from Kalispell to Austin in June is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated February 19, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Kalispell to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,215 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,215 reviews
Delta
7.9
Good
8,215 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,325 reviews
Delta
7.9
Good
8,215 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kalispell to Austin?

    There are many flights that can get you from Kalispell to Austin in 9h 42m. Fly via United Airlines, Alaska Airlines, or Delta to get the fastest option. There are 1526 mi between Kalispell and Austin. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kalispell to Austin round-trip?

    Our cheapest airline available from Kalispell to Austin is United Airlines. Our recent data shows that you can find tickets from as low as $248 on this airline. An additional option worth looking into is Delta, starting at $276. United Airlines is 51% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Kalispell to Austin one-way?

    $138 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $148 and $148, respectively.

  • Can I find deals for flights from Kalispell to Austin that include hotel bookings?

    Yes. In addition to deals on Kalispell to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Austin.

  • Can I find deals for business class flights from Kalispell to Austin?

    Yes. Cheapflights offers flight deals from Kalispell to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kalispell to Austin?

    Currently, October is the cheapest month in which you can book a flight from Kalispell to Austin (average of $151). Flying from Kalispell to Austin in June is currently the most expensive (average of $340). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Cedar Park
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Kalispell to Austin

Discover the top 2 airlines that operate flights from Kalispell to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$406FlexibilityNo cancel feeOn-time69%
DeltaCheapest$276Average$388FlexibilityNo cancel feeOn-timeN/A

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