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$116+ Cheap flights from Kalispell to San Antonio (FCA - SAT)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Kalispell to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to San Antonio (SAT). 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 July 3, 2025.

Round-trip from

$262
(Mytrip)

One-way from

$116
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$890
From Kalispell Glacier Park to San Antonio
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One-way flight from Kalispell Glacier Park to San Antonio
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Highest demand for flights based on searches. 11% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Kalispell to San Antonio

Cheapest flights from Kalispell to San Antonio
Explore the most affordable flight options available from Kalispell to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1710:40 amFCA - SAT
1 stop6h 56mMultiple Airlines
Mon 7/212:11 pmSAT - FCA
2 stops23h 14mMultiple Airlines
Deal found 7/2$262
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:23 pmFCA - SAT
1 stop6h 48mAmerican Airlines
Mon 7/216:00 amSAT - FCA
1 stop7h 41mAmerican Airlines
Deal found 7/2$461
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 7/276:20 amFCA - SAT
1 stop16h 39mUnited Airlines
Mon 8/45:56 pmSAT - FCA
2 stops17h 07mUnited Airlines
Deal found 7/2$628
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Sun 7/276:33 amFCA - SAT
2 stops14h 29mAlaska Airlines
Mon 8/410:03 amSAT - FCA
2 stops10h 17mAlaska Airlines
Deal found 7/2$1,168

Cheapflights Fare Finder

Customize your flight search to find flights from Kalispell to San Antonio 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 July 3, 2025.
Use the filters below to find and compare flights from Kalispell to San Antonio that are best for you.

Fly from

Kalispell

Fly to

San Antonio

Route

Depart

Return

Price

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Thu 7/17

10:40 am-6:36 pm

1 stop6h 56m

San Antonio

Mon 7/21

2:11 pm-12:25 pm

2 stops23h 14m

$262

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Thu 7/17

3:23 pm-11:11 pm

1 stop6h 48m

San Antonio

Mon 7/21

6:00 am-12:41 pm

1 stop7h 41m

$461

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sun 7/27

6:20 am-11:59 pm

1 stop16h 39m

San Antonio

Mon 8/4

5:56 pm-10:03 am

2 stops17h 07m

$628

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sun 7/27

6:33 am-10:02 pm

2 stops14h 29m

San Antonio

Mon 8/4

10:03 am-7:20 pm

2 stops10h 17m

$1,168

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sun 9/28

5:33 pm-11:41 am

1 stop17h 08m

$116

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Mon 9/29

3:49 pm-11:00 pm

1 stop6h 11m

$201

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sat 7/19

5:30 am-1:40 pm

1 stop7h 10m

$256

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Mon 9/29

2:31 pm-10:57 pm

2 stops7h 26m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Kalispell to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio 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 San Antonio

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

Currently, August is the cheapest month in which you can book a flight from Kalispell to San Antonio (average of $295). Flying from Kalispell to San Antonio in March is currently the most expensive (average of $376). 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 San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Kalispell to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    Flying on American Airlines is currently your cheapest option to San Antonio, with prices starting at $461. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $628 and $1,168, respectively. Users have found that American Airlines is 15% cheaper than the other options available to this destination.

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

    $201 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $256 and $335, respectively.

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

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

  • How can I find direct flights from Kalispell to San Antonio?

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

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

    Yes. Cheapflights offers flight deals from Kalispell to San Antonio 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 San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Kalispell to San Antonio (average of $295). Flying from Kalispell to San Antonio in March is currently the most expensive (average of $376). 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 Kalispell?

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Top 2 airlines flying from Kalispell to San Antonio

Discover the top 2 airlines that operate flights from Kalispell to San Antonio. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$318Average$450FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$348Average$619FlexibilityNo cancel feeOn-time69%

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