How long is the flight from Kalispell to San Antonio?

Departing from Kalispell to San Antonio will take you 5h 42m. There are 1543 mi between Kalispell and San Antonio.

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

Flying on Delta is currently your cheapest option to San Antonio, with prices starting at $276. Another option worth looking into is United Airlines, starting at $287 round trip. Users have found that Delta is 46% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from FCA to SAT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to San Antonio as you normally would.

Most accurate provider : When it comes to deals on Kalispell-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kalispell-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kalispell-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Kalispell-San Antonio flights, Cheapflights users trust eDreams the most. eDreams 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-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$191+ Flights from Kalispell to San Antonio

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Cheap 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 December 18, 2025.

Thu 12/251:45 pmFCA - SAT

1 stop6h 41mDelta

Fri 1/96:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/17

$338

Wed 12/241:55 pmFCA - SAT

1 stop6h 58mDelta

Fri 1/27:18 pmSAT - FCA

1 stop6h 29mDelta

Deal found 12/17

$349

Wed 12/246:10 amFCA - SAT

2 stops8h 43mUnited Airlines

Fri 1/24:55 pmSAT - FCA

1 stop6h 04mUnited Airlines

Deal found 12/17

$354

Wed 12/315:15 pmFCA - SAT

2 stops28h 39mUnited Airlines

Sun 1/44:55 pmSAT - FCA

1 stop6h 04mUnited Airlines

Deal found 12/15

$599

Best flights from Kalispell to San Antonio
Discover carefully curated flight deals from Kalispell to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 1/205:59 pmFCA - SAT

1 stop5h 42mDelta

Wed 1/216:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/16

$277

Wed 1/286:00 amFCA - SAT

1 stop6h 09mUnited Airlines

Sat 1/3111:43 amSAT - FCA

2 stops12h 37mUnited Airlines

Deal found 12/14

$372

Tue 1/207:46 pmFCA - SAT

2 stops19h 59mAlaska Airlines

Wed 1/216:46 pmSAT - FCA

1 stop18h 28mAlaska Airlines

Deal found 12/16

$382

Sun 2/15:24 amFCA - SAT

1 stop7h 24mDelta

Mon 2/96:30 amSAT - FCA

1 stop8h 55mDelta

Deal found 12/15

$277

Wed 3/46:15 pmFCA - SAT

1 stop5h 26mDelta

Wed 3/115:56 pmSAT - FCA

1 stop6h 45mDelta

Deal found 12/15

$277

Wed 1/287:46 pmFCA - SAT

1 stop20h 59mAlaska Airlines

Sat 1/316:46 pmSAT - FCA

1 stop18h 28mAlaska Airlines

Deal found 12/15

$398

Mon 1/195:54 pmFCA - SAT

1 stop5h 47mDelta

Wed 1/216:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/16

$388

Last-minute flights from Kalispell to San Antonio
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated December 18, 2025 and is based on user searches.

Wed 12/241:55 pmFCA - SAT

1 stop6h 58mDelta

Fri 1/27:18 pmSAT - FCA

1 stop6h 29mDelta

Deal found 12/17

$349

Wed 12/246:10 amFCA - SAT

2 stops8h 43mUnited Airlines

Fri 1/24:55 pmSAT - FCA

1 stop6h 04mUnited Airlines

Deal found 12/17

$354

Thu 12/251:45 pmFCA - SAT

1 stop6h 41mDelta

Fri 1/96:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/17

$338

Mon 1/195:54 pmFCA - SAT

1 stop5h 47mDelta

Wed 1/216:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/16

$388

Tue 1/205:59 pmFCA - SAT

1 stop5h 42mDelta

Wed 1/216:20 pmSAT - FCA

1 stop5h 32mDelta

Deal found 12/16

$277

Tue 1/207:46 pmFCA - SAT

2 stops19h 59mAlaska Airlines

Wed 1/216:46 pmSAT - FCA

1 stop18h 28mAlaska Airlines

Deal found 12/16

$382

Wed 1/286:00 amFCA - SAT

1 stop6h 09mUnited Airlines

Sat 1/3111:43 amSAT - FCA

2 stops12h 37mUnited Airlines

Deal found 12/14

$372

Wed 1/287:46 pmFCA - SAT

1 stop20h 59mAlaska Airlines

Sat 1/316:46 pmSAT - FCA

1 stop18h 28mAlaska Airlines

Deal found 12/16

$398

One-way flights from Kalispell to San Antonio
Search for one-way flight options from Kalispell to San Antonio. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Wed 12/317:47 pmFCA - SAT

1 stop12h 36mMultiple Airlines

Deal found 12/16

$191

Mon 12/295:15 pmFCA - SAT

1 stop5h 32mUnited Airlines

Deal found 12/16

$275

Sat 12/275:20 amFCA - SAT

1 stop7h 26mDelta

Deal found 12/16

$310

Sat 12/275:15 pmFCA - SAT

1 stop5h 32mUnited Airlines

Deal found 12/15

$365

Tue 12/305:55 pmFCA - SAT

2 stops38h 28mMultiple Airlines

Deal found 12/16

$407

Mon 12/296:48 pmFCA - SAT

2 stops41h 26mMultiple Airlines

Deal found 12/16

$421

Tue 12/301:55 pmFCA - SAT

1 stop6h 58mDelta

Deal found 12/16

$430

Thu 1/15:15 pmFCA - SAT

1 stop5h 32mUnited Airlines

Deal found 12/16

$451

Sun 12/285:50 pmFCA - SAT

1 stop5h 52mDelta

Deal found 12/16

$480

Find flight deals from Kalispell to San Antonio

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$277 (Delta)
One-way from	$191 (Kiwi.com)
Popular in	January
Cheapest in	December
Average price	$287

Provider with most accurate pricing for Kalispell Glacier Park-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kalispell Glacier Park-San Antonio flights.

Search Deals

From Kalispell Glacier Park to San Antonio

Search Deals

One-way flight from Kalispell Glacier Park to San Antonio

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kalispell to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Tue 1/20

5:59 pm-12:41 am

1 stop5h 42m

San Antonio

Wed 1/21

6:20 pm-10:52 pm

1 stop5h 32m

$277

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sun 2/1

5:24 am-1:48 pm

1 stop7h 24m

San Antonio

Mon 2/9

6:30 am-2:25 pm

1 stop8h 55m

$277

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Wed 3/4

6:15 pm-12:41 am

1 stop5h 26m

San Antonio

Wed 3/11

5:56 pm-11:41 pm

1 stop6h 45m

$277

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Wed 1/28

6:00 am-1:09 pm

1 stop6h 09m

San Antonio

Sat 1/31

11:43 am-11:20 pm

2 stops12h 37m

$372

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Tue 1/20

7:46 pm-4:45 pm

2 stops19h 59m

San Antonio

Wed 1/21

6:46 pm-12:14 pm

1 stop18h 28m

$382

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Mon 1/19

5:54 pm-12:41 am

1 stop5h 47m

San Antonio

Wed 1/21

6:20 pm-10:52 pm

1 stop5h 32m

$388

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Wed 1/28

7:46 pm-5:45 pm

1 stop20h 59m

San Antonio

Sat 1/31

6:46 pm-12:14 pm

1 stop18h 28m

$398

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Wed 12/31

7:47 pm-9:23 am

1 stop12h 36m

$191

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Mon 12/29

5:15 pm-11:47 pm

1 stop5h 32m

$275

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

Sat 12/27

5:20 am-1:46 pm

1 stop7h 26m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 12 results

Compare providers for flights from Kalispell to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kalispell to San Antonio in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kalispell-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kalispell-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Kalispell-San Antonio flights, Cheapflights users trust eDreams the most. eDreams 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-San Antonio 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 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, October is the cheapest month in which you can book a flight from Kalispell to San Antonio (average of $151). Flying from Kalispell to San Antonio in January is currently the most expensive (average of $355). 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 a feel of what it's like to fly with 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.

Delta

7.9

Good

8,005 reviews

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

8,005 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Kalispell to San Antonio?
Departing from Kalispell to San Antonio will take you 5h 42m. There are 1543 mi between Kalispell and San Antonio.
What are the cheapest airlines flying from Kalispell to San Antonio round-trip?
Flying on Delta is currently your cheapest option to San Antonio, with prices starting at $276. Another option worth looking into is United Airlines, starting at $287 round trip. Users have found that Delta is 46% cheaper than the other options available to this destination.
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, October is the cheapest month in which you can book a flight from Kalispell to San Antonio (average of $151). Flying from Kalispell to San Antonio in January is currently the most expensive (average of $355). 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

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Top 2 airlines flying from Kalispell to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$276	Average$401	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$287	Average$520	FlexibilityNo cancel fee	On-time69%

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$191+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kalispell to San Antonio with Cheapflights

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Cheap flight deals from Kalispell to San Antonio

Cheapest flights from Kalispell to San AntonioExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Kalispell to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kalispell to San Antonio that are best for you.

Compare providers for flights from Kalispell to San Antonio

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 San Antonio in December.

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.

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?

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with 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.

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.

How long is the flight from Kalispell to San Antonio?

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

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

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

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

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

Traveling to a place near San Antonio?

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Alternative routes for Kalispell to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Kalispell to San Antonio

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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 December 18, 2025.