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 $199. Another option worth looking into is United Airlines, starting at $381 round trip. Users have found that Delta is 62% cheaper than the other options available to this destination.

What is the cheapest day to fly from Kalispell to San Antonio?

Travelers seeking maximum savings on their Kalispell to San Antonio flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Kalispell to San Antonio?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Kalispell to San Antonio?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, October can be a great choice for travel to San Antonio. Flights to San Antonio from Kalispell in October are about $526 on average during October, but can be found for as low as $239.

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

One of the essential ways to save on airfare from Kalispell to San Antonio is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 19% on airfare.

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.

$166+ Flights from Kalispell to San Antonio

Q: How much does it cost to fly round-trip from Kalispell to San Antonio?

Airfare is below average for this route at the moment. Kalispell to San Antonio flights typically cost between $460 and $660 in September. The cheapest round-trip price found within the last 3 days was $401 on American Airlines (Sep 26-Sep 28).

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Cheap flight deals from Kalispell to San Antonio

Round-trip from	$401 (American Airlines)
One-way from	$166 (Kiwi.com)
Popular in	January
Cheapest in	October
Average price	$560

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. 16% potential increase in price ($106 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).

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Average for round-trip flights in August 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 agosto 14, 2025.

vie. 9/263:49 pmFCA - SAT

1 stop6h 11mAmerican Airlines

dom. 9/287:00 amSAT - FCA

1 stop8h 40mAmerican Airlines

Deal found 8/13

$401

mar. 9/98:02 pmFCA - SAT

1 stop21h 55mAlaska Airlines

mar. 9/166:27 amSAT - FCA

1 stop18h 32mAlaska Airlines

Deal found 8/12

$458

jue. 8/283:29 pmFCA - SAT

1 stop7h 11mAmerican Airlines

lun. 9/17:02 amSAT - FCA

1 stop8h 37mAmerican Airlines

Deal found 8/13

$461

mar. 9/95:15 pmFCA - SAT

2 stops14h 42mUnited Airlines

mar. 9/164:22 pmSAT - FCA

2 stops18h 44mUnited Airlines

Deal found 8/12

$464

jue. 8/282:30 pmFCA - SAT

1 stop5h 16mUnited Airlines

lun. 9/19:50 amSAT - FCA

2 stops12h 50mUnited Airlines

Deal found 8/13

$466

sáb. 8/303:49 pmFCA - SAT

1 stop6h 10mAmerican Airlines

mar. 9/25:00 amSAT - FCA

1 stop7h 03mAmerican Airlines

Deal found 8/12

$481

sáb. 8/3012:41 pmFCA - SAT

1 stop9h 19mUnited Airlines

mar. 9/25:30 amSAT - FCA

2 stops17h 10mUnited Airlines

Deal found 8/12

$532

vie. 9/2610:50 amFCA - SAT

2 stops10h 45mUnited Airlines

dom. 9/282:25 pmSAT - FCA

2 stops22h 10mUnited Airlines

Deal found 8/13

$560

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 agosto 14, 2025.

vie. 9/263:49 pmFCA - SAT

1 stop6h 11mAmerican Airlines

dom. 9/287:00 amSAT - FCA

1 stop8h 40mAmerican Airlines

Deal found 8/13

$401

mar. 9/98:02 pmFCA - SAT

1 stop21h 55mAlaska Airlines

mar. 9/166:27 amSAT - FCA

1 stop18h 32mAlaska Airlines

Deal found 8/12

$458

mar. 9/95:15 pmFCA - SAT

2 stops14h 42mUnited Airlines

mar. 9/164:22 pmSAT - FCA

2 stops18h 44mUnited Airlines

Deal found 8/12

$464

jue. 8/283:29 pmFCA - SAT

1 stop7h 11mAmerican Airlines

lun. 9/17:02 amSAT - FCA

1 stop8h 37mAmerican Airlines

Deal found 8/13

$461

jue. 8/282:30 pmFCA - SAT

1 stop5h 16mUnited Airlines

lun. 9/19:50 amSAT - FCA

2 stops12h 50mUnited Airlines

Deal found 8/13

$466

sáb. 8/303:49 pmFCA - SAT

1 stop6h 10mAmerican Airlines

mar. 9/25:00 amSAT - FCA

1 stop7h 03mAmerican Airlines

Deal found 8/12

$481

sáb. 8/3012:41 pmFCA - SAT

1 stop9h 19mUnited Airlines

mar. 9/25:30 amSAT - FCA

2 stops17h 10mUnited Airlines

Deal found 8/12

$532

vie. 9/2610:50 amFCA - SAT

2 stops10h 45mUnited Airlines

dom. 9/282:25 pmSAT - FCA

2 stops22h 10mUnited Airlines

Deal found 8/13

$560

Last-minute flights from Kalispell to San Antonio
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated agosto 14, 2025 and is based on user searches.

jue. 8/283:29 pmFCA - SAT

1 stop7h 11mAmerican Airlines

lun. 9/17:02 amSAT - FCA

1 stop8h 37mAmerican Airlines

Deal found 8/13

$461

jue. 8/282:30 pmFCA - SAT

1 stop5h 16mUnited Airlines

lun. 9/19:50 amSAT - FCA

2 stops12h 50mUnited Airlines

Deal found 8/13

$466

sáb. 8/303:49 pmFCA - SAT

1 stop6h 10mAmerican Airlines

mar. 9/25:00 amSAT - FCA

1 stop7h 03mAmerican Airlines

Deal found 8/12

$481

sáb. 8/3012:41 pmFCA - SAT

1 stop9h 19mUnited Airlines

mar. 9/25:30 amSAT - FCA

2 stops17h 10mUnited Airlines

Deal found 8/12

$532

mar. 9/98:02 pmFCA - SAT

1 stop21h 55mAlaska Airlines

mar. 9/166:27 amSAT - FCA

1 stop18h 32mAlaska Airlines

Deal found 8/12

$458

mar. 9/95:15 pmFCA - SAT

2 stops14h 42mUnited Airlines

mar. 9/164:22 pmSAT - FCA

2 stops18h 44mUnited Airlines

Deal found 8/12

$464

vie. 9/263:49 pmFCA - SAT

1 stop6h 11mAmerican Airlines

dom. 9/287:00 amSAT - FCA

1 stop8h 40mAmerican Airlines

Deal found 8/13

$401

vie. 9/2610:50 amFCA - SAT

2 stops10h 45mUnited Airlines

dom. 9/282:25 pmSAT - FCA

2 stops22h 10mUnited Airlines

Deal found 8/13

$560

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 agosto 14, 2025.

dom. 9/285:33 pmFCA - SAT

1 stop22h 14mMultiple Airlines

Deal found 8/13

$166

jue. 10/165:48 pmFCA - SAT

1 stop10h 07mMultiple Airlines

Deal found 8/12

$180

mar. 9/96:30 amFCA - SAT

1 stop5h 18mUnited Airlines

Deal found 8/12

$201

sáb. 10/182:31 pmFCA - SAT

1 stop5h 24mUnited Airlines

Deal found 8/12

$210

mar. 10/146:10 pmFCA - SAT

1 stop5h 21mDelta

Deal found 8/12

$230

vie. 10/171:14 pmFCA - SAT

1 stop7h 34mAmerican Airlines

Deal found 8/12

$231

lun. 10/136:35 pmFCA - SAT

1 stop23h 21mAlaska Airlines

Deal found 8/12

$247

mar. 10/141:07 pmFCA - SAT

2 stops9h 57mAlaska Airlines

Deal found 8/12

$254

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

vie. 9/26

3:49 pm-11:00 pm

1 stop6h 11m

San Antonio

dom. 9/28

7:00 am-2:40 pm

1 stop8h 40m

$401

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

mar. 9/9

8:02 pm-6:57 pm

1 stop21h 55m

San Antonio

mar. 9/16

6:27 am-11:59 pm

1 stop18h 32m

$458

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 8/28

3:29 pm-11:40 pm

1 stop7h 11m

San Antonio

lun. 9/1

7:02 am-2:39 pm

1 stop8h 37m

$461

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

mar. 9/9

5:15 pm-8:57 am

2 stops14h 42m

San Antonio

mar. 9/16

4:22 pm-10:06 am

2 stops18h 44m

$464

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 8/28

2:30 pm-8:46 pm

1 stop5h 16m

San Antonio

lun. 9/1

9:50 am-9:40 pm

2 stops12h 50m

$466

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

sáb. 8/30

3:49 pm-10:59 pm

1 stop6h 10m

San Antonio

mar. 9/2

5:00 am-11:03 am

1 stop7h 03m

$481

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

sáb. 8/30

12:41 pm-11:00 pm

1 stop9h 19m

San Antonio

mar. 9/2

5:30 am-9:40 pm

2 stops17h 10m

$532

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

vie. 9/26

10:50 am-10:35 pm

2 stops10h 45m

San Antonio

dom. 9/28

2:25 pm-11:35 am

2 stops22h 10m

$560

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

dom. 9/28

5:33 pm-4:47 pm

1 stop22h 14m

$166

KalispellSan Antonio

FCA - SAT

FCASAT

Kalispell Glacier Park

jue. 10/16

5:48 pm-4:55 am

1 stop10h 07m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 17 results

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.

How much does it cost to fly round-trip 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.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,916 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $199. Another option worth looking into is United Airlines, starting at $381 round trip. Users have found that Delta is 62% 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, 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

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Other flights to San Antonio

Top 2 airlines flying from Kalispell to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$199	Average$446	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$381	Average$619	FlexibilityNo cancel fee	On-time69%

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$166+ 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.

Find cheap flights from Kalispell to San Antonio with Cheapflights

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Cheap flight deals from Kalispell to San Antonio

Round-trip from

One-way from

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Find 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 agosto 14, 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 agosto 14, 2025.

Cheapflights Fare Finder

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

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?

How much does it cost to fly round-trip 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.

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

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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 agosto 14, 2025.