$305+ Cheap flights from Kalispell to San Antonio (FCA - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Find cheap flights from Kalispell to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kalispell to San Antonio
Cheapest
Best
Last-minute
One-way
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 October 3, 2026.
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 October 3, 2026.
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:16 pm -
1 stop5h 15m
Mon 12/76:08 pm -
1 stop5h 43m
Deal found 9/30![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:28 pm -
2 stops10h 45m
Mon 10/266:35 am -
1 stop6h 02m
Deal found 9/29![Delta logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/162:30 pm -
1 stop8h 28m
Tue 10/207:45 am -
1 stop8h 31m
Deal found 9/30![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 10/152:30 pm -
1 stop5h 12m
Mon 10/197:45 am -
1 stop8h 31m
Deal found 10/2![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 12/36:15 am -
2 stops8h 33m
Mon 12/72:18 pm -
2 stops8h 33m
Deal found 9/29![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 12/46:15 am -
2 stops12h 05m
Mon 12/74:57 pm -
1 stop5h 54m
Deal found 9/29![United Airlines logo]()
$539
Best flights from Kalispell to San AntonioDiscover 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 October 3, 2026.
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 October 3, 2026.
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:16 pm -
1 stop5h 15m
Thu 12/36:08 pm -
1 stop5h 43m
Deal found 9/29![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 1/227:00 am -
1 stop8h 02m
Mon 1/255:00 pm -
1 stop6h 57m
Deal found 9/29![Alaska Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 10/152:30 pm -
1 stop5h 12m
Mon 10/197:45 am -
1 stop8h 31m
Deal found 10/2![United Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 1/307:00 am -
1 stop8h 02m
Tue 2/25:00 pm -
1 stop6h 57m
Deal found 9/28![Alaska Airlines logo]()
$455
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:13 pm -
1 stop5h 17m
Mon 10/266:35 am -
1 stop6h 02m
Deal found 9/28![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 12/46:15 am -
1 stop5h 31m
Mon 12/74:57 pm -
1 stop5h 54m
Deal found 9/29![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:13 pm -
1 stop5h 17m
Mon 10/196:00 am -
1 stop9h 41m
Deal found 10/2![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 1/306:31 am -
1 stop5h 34m
Tue 2/22:15 pm -
2 stops8h 15m
Deal found 9/28![United Airlines logo]()
$504
Last-minute flights from Kalispell to San AntonioDiscover last-minute flight deals from Kalispell to San Antonio. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated October 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:28 pm -
2 stops10h 45m
Sun 10/186:35 am -
1 stop6h 02m
Deal found 10/2![Delta logo]()
$669
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Thu 10/152:30 pm -
1 stop5h 12m
Mon 10/197:45 am -
1 stop8h 31m
Deal found 10/2![United Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:28 pm -
2 stops10h 45m
Mon 10/266:35 am -
1 stop6h 02m
Deal found 9/29![Delta logo]()
$454
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/162:30 pm -
1 stop8h 28m
Tue 10/207:45 am -
1 stop8h 31m
Deal found 9/30![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:28 pm -
2 stops11h 05m
Tue 10/205:30 am -
2 stops10h 11m
Deal found 9/30![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/266:14 am -
2 stops10h 49m
Fri 12/44:57 pm -
1 stop5h 54m
Deal found 9/30![United Airlines logo]()
$663
One-way flights from Kalispell to San AntonioSearch for one-way flight options from Kalispell to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way flight options from Kalispell to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:13 pm -
1 stop5h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:01 am -
3 stops55h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$1,060
Find 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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Delta) |
One-way from | $305 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $498 |
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 7,457,451 searches. Data last updated October 3, 2026.
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
Cheapest round-trip
Quickest round-trip
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Sun 10/11
6:13 pm-12:30 am
1 stop5h 17m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$305
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Tue 12/1
6:16 pm-12:31 am
1 stop5h 15m
San Antonio
Thu 12/3
6:08 pm-10:51 pm
1 stop5h 43m
$379
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 1/22
7:00 am-4:02 pm
1 stop8h 02m
San Antonio
Mon 1/25
5:00 pm-10:57 pm
1 stop6h 57m
$409
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Sat 1/30
7:00 am-4:02 pm
1 stop8h 02m
San Antonio
Tue 2/2
5:00 pm-10:57 pm
1 stop6h 57m
$455
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 10/16
6:13 pm-12:30 am
1 stop5h 17m
San Antonio
Mon 10/26
6:35 am-11:37 am
1 stop6h 02m
$479
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Thu 10/15
2:30 pm-8:42 pm
1 stop5h 12m
San Antonio
Mon 10/19
7:45 am-3:16 pm
1 stop8h 31m
$494
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Thu 10/15
6:13 pm-12:30 am
1 stop5h 17m
San Antonio
Mon 10/19
6:00 am-2:41 pm
1 stop9h 41m
$494
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 12/4
6:15 am-12:46 pm
1 stop5h 31m
San Antonio
Mon 12/7
4:57 pm-9:51 pm
1 stop5h 54m
$499
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Sat 1/30
6:31 am-1:05 pm
1 stop5h 34m
San Antonio
Tue 2/2
2:15 pm-9:30 pm
2 stops8h 15m
$504
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Sun 10/11
8:01 am-4:20 pm
3 stops55h 19m
San Antonio
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$1,060
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kalispell-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-San Antonio flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
FCA-SAT
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
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 October 3, 2026.
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.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Kalispell and San Antonio flights
Browse other Kalispell and San Antonio flight options. Last updated on October 3, 2026.
Other flights from Kalispell
Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
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 7,457,451 searches. Data last updated October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$388 | FlexibilityNo cancel fee | On-time69% |