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Cheap flights from Kalispell to Austin from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Austin departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kalispell to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
1:54 pm - 11:59 pmFCA-AUS
9h 05m1 stop
Alaska Airlines Logo
1:35 pm - 11:59 pmAUS-FCA
11h 24m1 stop
$322Alaska Airlines
Find Deal
Thu, Feb 5 - Sun, Feb 15
Multiple Airlines Logo
5:51 pm - 4:10 pmFCA-AUS
21h 19m1 stop
Multiple Airlines Logo
6:39 am - 5:01 pmAUS-FCA
11h 22m2 stops
$338Multiple Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
2:37 pm - 8:52 pmFCA-AUS
5h 15m1 stop
United Airlines Logo
4:47 pm - 9:46 pmAUS-FCA
5h 59m1 stop
$353United Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Alaska Airlines Logo
1:00 pm - 12:33 pmFCA-AUS
22h 33m2 stops
Alaska Airlines Logo
7:15 am - 11:58 pmAUS-FCA
17h 43m1 stop
$354Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Alaska Airlines Logo
1:00 pm - 4:45 pmFCA-AUS
26h 45m1 stop
Alaska Airlines Logo
5:46 pm - 1:20 pmAUS-FCA
20h 34m1 stop
$367Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Alaska Airlines Logo
1:00 pm - 3:20 pmFCA-AUS
25h 20m2 stops
Alaska Airlines Logo
7:26 pm - 11:58 pmAUS-FCA
29h 32m1 stop
$372Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Hawaiian Airlines Logo
6:40 am - 2:35 pmFCA-AUS
6h 55m1 stop
Hawaiian Airlines Logo
6:00 am - 3:23 pmAUS-FCA
10h 23m1 stop
$375Hawaiian Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Delta Logo
11:59 am - 11:54 pmFCA-AUS
10h 55m2 stops
Delta Logo
11:50 am - 11:07 pmAUS-FCA
12h 17m2 stops
$415Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
5:15 pm - 11:03 amFCA-AUS
16h 48m1 stop
United Airlines Logo
6:00 am - 12:55 pmAUS-FCA
7h 55m1 stop
$431United Airlines
Find Deal
Sat, Dec 20 - Sat, Jan 3
Delta Logo
1:55 pm - 12:37 amFCA-AUS
9h 42m2 stops
Delta Logo
2:40 pm - 12:47 amAUS-FCA
11h 07m2 stops
$759Delta
Find Deal
Sat, Dec 20 - Fri, Jan 2

Alaska Airlines flights from Kalispell to Austin

Our best Alaska Airlines deals on Kalispell to Austin flight tickets
Alaska Airlines
Feb 5
FCA1:54 pmKalispell Glacier Park
9h 05m
1 stop
AUS11:59 pmAustin Bergstrom
Feb 15
AUS1:35 pmAustin Bergstrom
11h 24m
1 stop
FCA11:59 pmKalispell Glacier Park
$322
Find similar
Alaska Airlines
Dec 4
FCA1:00 pmKalispell Glacier Park
22h 33m
2 stops
AUS12:33 pmAustin Bergstrom
Dec 8
AUS7:15 amAustin Bergstrom
17h 43m
1 stop
FCA11:58 pmKalispell Glacier Park
$354
Find similar
Alaska Airlines
Dec 4
FCA1:00 pmKalispell Glacier Park
26h 45m
1 stop
AUS4:45 pmAustin Bergstrom
Dec 8
AUS5:46 pmAustin Bergstrom
20h 34m
1 stop
FCA1:20 pmKalispell Glacier Park
$367
Find similar

United Airlines flights from Kalispell to Austin

Our best United Airlines deals on Kalispell to Austin flight tickets
United Airlines
Dec 4
FCA2:37 pmKalispell Glacier Park
5h 15m
1 stop
AUS8:52 pmAustin Bergstrom
Dec 8
AUS4:47 pmAustin Bergstrom
5h 59m
1 stop
FCA9:46 pmKalispell Glacier Park
$353
Find similar
United Airlines
Dec 20
FCA5:15 pmKalispell Glacier Park
16h 48m
1 stop
AUS11:03 amAustin Bergstrom
Jan 3
AUS6:00 amAustin Bergstrom
7h 55m
1 stop
FCA12:55 pmKalispell Glacier Park
$431
Find similar
United Airlines
Dec 20
FCA2:38 pmKalispell Glacier Park
5h 47m
1 stop
AUS9:25 pmAustin Bergstrom
Jan 3
AUS6:00 amAustin Bergstrom
7h 55m
1 stop
FCA12:55 pmKalispell Glacier Park
$438
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Kalispell to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 2/5

1:54 pm-11:59 pm

1 stop9h 05m

Austin Bergstrom

Sun 2/15

1:35 pm-11:59 pm

1 stop11h 24m

$322

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 11/20

5:51 pm-4:10 pm

1 stop21h 19m

Austin Bergstrom

Sun 11/23

6:39 am-5:01 pm

2 stops11h 22m

$338

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 12/4

2:37 pm-8:52 pm

1 stop5h 15m

Austin Bergstrom

Mon 12/8

4:47 pm-9:46 pm

1 stop5h 59m

$353

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 12/4

1:00 pm-12:33 pm

2 stops22h 33m

Austin Bergstrom

Mon 12/8

7:15 am-11:58 pm

1 stop17h 43m

$354

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 12/4

1:00 pm-4:45 pm

1 stop26h 45m

Austin Bergstrom

Mon 12/8

5:46 pm-1:20 pm

1 stop20h 34m

$367

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Thu 12/4

1:00 pm-3:20 pm

2 stops25h 20m

Austin Bergstrom

Mon 12/8

7:26 pm-11:58 pm

1 stop29h 32m

$372

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Tue 3/10

6:40 am-2:35 pm

1 stop6h 55m

Austin Bergstrom

Wed 3/11

6:00 am-3:23 pm

1 stop10h 23m

$375

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Tue 3/10

11:59 am-11:54 pm

2 stops10h 55m

Austin Bergstrom

Wed 3/11

11:50 am-11:07 pm

2 stops12h 17m

$415

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Sat 12/20

5:15 pm-11:03 am

1 stop16h 48m

Austin Bergstrom

Sat 1/3

6:00 am-12:55 pm

1 stop7h 55m

$431

KalispellAustin

FCA - AUS

FCAAUS

Kalispell Glacier Park

Sat 12/20

1:55 pm-12:37 am

2 stops9h 42m

Austin Bergstrom

Fri 1/2

2:40 pm-12:47 am

2 stops11h 07m

$759

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Kalispell to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Kalispell is in May. Flight prices, which tend to average around $335, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in May, then April is your next best option. Flight prices from Kalispell to Austin during April average around $378.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Thursday when prices can be found for as low as $429. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Kalispell to Austin for around $836.

What is the cheapest time of day to depart on your flight to Austin?

In the afternoon is the cheapest time of day to fly from Kalispell to Austin when you can find flight prices for as low as $429. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $664. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How have Kalispell to Austin flight prices changed over time?

As of November 2025, prices for Kalispell to Austin flights are approximately 142% more expensive when compared to flights at the same time last year.

When to book flights from Kalispell to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kalispell to Austin (FCA to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kalispell to Austin

Direct flights

None
There are no direct flights from Kalispell to Austin. There are no popular flight routes from Kalispell to Austin.
Search flight deals

  • How far is Kalispell Glacier Park to Austin Bergstrom by plane?

    The straight-line distance from Kalispell Glacier Park to Austin Bergstrom is 1514.4 mi. In terms of flight time, this usually takes a little over 5h 07m.

  • When did momondo last update prices for flights from Kalispell Glacier Park Airport to Austin Bergstrom Airport?

    Prices for flights from Kalispell Glacier Park Airport to Austin Bergstrom Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kalispell Glacier Park Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Kalispell Glacier Park Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kalispell to Austin?

Best airlines flying from Kalispell to Austin

Compare and see reviews for airlines that fly from Kalispell to Austin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Traveling to a place near Austin?

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

Why use momondo?

Why should I use momondo to find a flight deal from Kalispell to Austin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kalispell to Austin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Kalispell to Austin with flexible booking policies on momondo?

All flight searches from Kalispell to Austin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kalispell to Austin?

momondo helps you find the best flight between Kalispell and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kalispell to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Kalispell to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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