What airlines fly to San Antonio?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to San Antonio from Kalispell according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kalispell Glacier Park Airport to San Antonio Airport?

Prices for flights from Kalispell Glacier Park Airport to San Antonio Airport refresh daily.

How many operators does momondo search for flights from Kalispell Glacier Park Airport to San Antonio Airport?

There are 2 operators available for flights from Kalispell Glacier Park Airport to San Antonio Airport as of July 2025.

How old do you have to be to fly from Kalispell Glacier Park Airport to San Antonio Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$318 Cheap Flights from Kalispell to San Antonio in 2025

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Find the cheapest flights from Kalispell to San Antonio

Round-trip

One-way

Last minute

Cheap round-trip flights

8:02 pm - 6:57 pmFCA-SAT

21h 55m1 stop

7:57 pm - 12:27 pmSAT-FCA

17h 30m1 stop

$384Alaska Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

3:30 pm - 11:46 pmFCA-SAT

7h 16m1 stop

7:00 am - 4:13 pmSAT-FCA

10h 13m1 stop

$385American Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

1:28 pm - 11:42 pmFCA-SAT

9h 14m1 stop

5:00 am - 4:13 pmSAT-FCA

12h 13m2 stops

$390American Airlines

Find Deal

jue., oct. 2 - dom., oct. 5

2:30 pm - 8:46 pmFCA-SAT

5h 16m1 stop

5:30 am - 3:28 pmSAT-FCA

10h 58m2 stops

$420United Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

8:02 pm - 6:57 pmFCA-SAT

21h 55m1 stop

7:57 pm - 1:30 pmSAT-FCA

18h 33m2 stops

$449Alaska Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

3:49 pm - 10:59 pmFCA-SAT

6h 10m1 stop

5:00 am - 11:03 amSAT-FCA

7h 03m1 stop

$461American Airlines

Find Deal

vie., ago. 15 - mar., ago. 19

6:20 am - 12:47 pmFCA-SAT

5h 27m1 stop

2:25 pm - 9:40 pmSAT-FCA

8h 15m2 stops

$466United Airlines

Find Deal

vie., ago. 15 - mar., ago. 19

1:07 pm - 12:03 amFCA-SAT

9h 56m2 stops

7:57 pm - 12:27 pmSAT-FCA

17h 30m1 stop

$479Alaska Airlines

Find Deal

jue., sep. 18 - dom., sep. 21

6:30 am - 12:03 amFCA-SAT

16h 33m1 stop

6:27 am - 3:42 pmSAT-FCA

10h 15m1 stop

$504Alaska Airlines

Find Deal

dom., sep. 21 - mar., sep. 30

6:45 am - 5:15 pmFCA-SAT

9h 30m1 stop

2:00 pm - 12:22 amSAT-FCA

11h 22m2 stops

$535Delta

Find Deal

dom., sep. 21 - mar., sep. 30

American Airlines flights from Kalispell to San Antonio

Our best American Airlines deals on Kalispell to San Antonio flight tickets

American Airlines

Sep 18

FCA3:30 pmKalispell Glacier Park

7h 16m

1 stop

SAT11:46 pmSan Antonio

Sep 21

SAT7:00 amSan Antonio

10h 13m

1 stop

FCA4:13 pmKalispell Glacier Park

$385

Find similar

American Airlines

Oct 2

FCA1:28 pmKalispell Glacier Park

9h 14m

1 stop

SAT11:42 pmSan Antonio

Oct 5

SAT5:00 amSan Antonio

12h 13m

2 stops

FCA4:13 pmKalispell Glacier Park

$390

Find similar

American Airlines

Aug 15

FCA3:49 pmKalispell Glacier Park

6h 10m

1 stop

SAT10:59 pmSan Antonio

Aug 19

SAT5:00 amSan Antonio

7h 03m

1 stop

FCA11:03 amKalispell Glacier Park

$461

Find similar

Alaska Airlines flights from Kalispell to San Antonio

Our best Alaska Airlines deals on Kalispell to San Antonio flight tickets

Alaska Airlines

Sep 18

FCA8:02 pmKalispell Glacier Park

21h 55m

1 stop

SAT6:57 pmSan Antonio

Sep 21

SAT7:57 pmSan Antonio

17h 30m

1 stop

FCA12:27 pmKalispell Glacier Park

$384

Find similar

Alaska Airlines

Sep 18

FCA8:02 pmKalispell Glacier Park

21h 55m

1 stop

SAT6:57 pmSan Antonio

Sep 21

SAT7:57 pmSan Antonio

18h 33m

2 stops

FCA1:30 pmKalispell Glacier Park

$449

Find similar

Alaska Airlines

Sep 18

FCA1:07 pmKalispell Glacier Park

9h 56m

2 stops

SAT12:03 amSan Antonio

Sep 21

SAT7:57 pmSan Antonio

17h 30m

1 stop

FCA12:27 pmKalispell Glacier Park

$479

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 9/18

8:02 pm-6:57 pm

1 stop21h 55m

San Antonio

dom. 9/21

7:57 pm-12:27 pm

1 stop17h 30m

$384

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 9/18

3:30 pm-11:46 pm

1 stop7h 16m

San Antonio

dom. 9/21

7:00 am-4:13 pm

1 stop10h 13m

$385

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 10/2

1:28 pm-11:42 pm

1 stop9h 14m

San Antonio

dom. 10/5

5:00 am-4:13 pm

2 stops12h 13m

$390

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 9/18

2:30 pm-8:46 pm

1 stop5h 16m

San Antonio

dom. 9/21

5:30 am-3:28 pm

2 stops10h 58m

$420

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 9/18

8:02 pm-6:57 pm

1 stop21h 55m

San Antonio

dom. 9/21

7:57 pm-1:30 pm

2 stops18h 33m

$449

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

vie. 8/15

3:49 pm-10:59 pm

1 stop6h 10m

San Antonio

mar. 8/19

5:00 am-11:03 am

1 stop7h 03m

$461

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

vie. 8/15

6:20 am-12:47 pm

1 stop5h 27m

San Antonio

mar. 8/19

2:25 pm-9:40 pm

2 stops8h 15m

$466

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 9/18

1:07 pm-12:03 am

2 stops9h 56m

San Antonio

dom. 9/21

7:57 pm-12:27 pm

1 stop17h 30m

$479

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

dom. 9/21

6:30 am-12:03 am

1 stop16h 33m

San Antonio

mar. 9/30

6:27 am-3:42 pm

1 stop10h 15m

$504

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

dom. 9/21

6:45 am-5:15 pm

1 stop9h 30m

San Antonio

mar. 9/30

2:00 pm-12:22 am

2 stops11h 22m

$535

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Kalispell to San Antonio

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

Prices

Airlines

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $479. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $781.

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

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Kalispell to San Antonio at noon for as low as $512. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $630. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Kalispell to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Kalispell to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kalispell to San Antonio (FCA to SAT) flight deals and tips

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

Best Price Found	$384
Fastest flight time	5h 16m
Direct flights	None
Airports in San Antonio	1 airport

The best flight deal from Kalispell to San Antonio found on momondo in the last 72 hours is $384

The fastest flight from Kalispell to San Antonio takes 5h 16m

There are no direct flights from Kalispell to San Antonio. Popular non-direct route for this connection is Kalispell Glacier Park Airport - San Antonio Airport.

There is 1 airport near San Antonio: San Antonio (SAT)

Search flight deals

How far is Kalispell Glacier Park to San Antonio by plane?
Kalispell Glacier Park and San Antonio are 1543.8 mi apart from one another. A reasonable flight in good conditions will take 5h 16m.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to San Antonio Airport?
Prices for flights from Kalispell Glacier Park Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to San Antonio Airport?
There are 2 operators available for flights from Kalispell Glacier Park Airport to San Antonio Airport as of July 2025.
How old do you have to be to fly from Kalispell Glacier Park Airport to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kalispell Glacier Park Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Kalispell to San Antonio?
Based on momondo bookings for flights between Kalispell and San Antonio, the leading airline is United Airlines, making up 62% of the total bookings. Other popular airlines include Delta with 38%.

Best airlines flying from Kalispell to San Antonio

Compare and see reviews for airlines that fly from Kalispell to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $334	Free Cancellation	Rating 8.0 7,981 reviews		Search Delta flights
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

New Braunfels

Kerrville

Boerne

Schertz

Pleasanton

Why use momondo?

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

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

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

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

How can momondo help me find flights from Kalispell to San Antonio?

momondo provides multiple filters to help you find the best flight to San Antonio from Kalispell. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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