$150+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
Mar 14 — Mar 211
1 adult, Economy
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Best
Last-minute
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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 February 12, 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 February 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 10/288:00 pm
FCA
- SAT
1 stop8h 41m
Alaska Airlines
Sat 10/317:00 am
SAT
- FCA
1 stop9h 35m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/10. 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 4/102:23 pm
FCA
- SAT
1 stop6h 24m
Delta
Sun 4/196:39 am
SAT
- FCA
1 stop8h 15m
Delta
Deal found 2/10![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 2/10. 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 4/105:09 am
FCA
- SAT
1 stop7h 26m
Delta
Mon 4/202:31 pm
SAT
- FCA
2 stops9h 56m
Delta
Deal found 2/10![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 10/282:29 pm
FCA
- SAT
2 stops7h 09m
United Airlines
Sat 10/314:45 pm
SAT
- FCA
1 stop5h 45m
United Airlines
Deal found 2/9![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:15 pm
FCA
- SAT
1 stop5h 26m
Delta
Tue 3/35:59 pm
SAT
- FCA
1 stop6h 50m
Delta
Deal found 2/12![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 2/12. 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 3/46:15 pm
FCA
- SAT
1 stop5h 26m
Delta
Tue 3/105:59 pm
SAT
- FCA
1 stop6h 42m
Delta
Deal found 2/12![Delta logo]()
$504
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 February 12, 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 February 12, 2026.
This Delta deal was found by Cheapflights users on 2/12. 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 4/102:23 pm
FCA
- SAT
1 stop6h 24m
Delta
Sun 4/196:39 am
SAT
- FCA
1 stop8h 15m
Delta
Deal found 2/12![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 2/10. 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 4/105:09 am
FCA
- SAT
1 stop7h 26m
Delta
Mon 4/206:05 pm
SAT
- FCA
1 stop6h 22m
Delta
Deal found 2/10![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 2/12. 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 2/2712:20 pm
FCA
- SAT
2 stops10h 23m
Delta
Tue 3/35:59 pm
SAT
- FCA
1 stop6h 50m
Delta
Deal found 2/12![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 2/12. 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 3/46:15 pm
FCA
- SAT
1 stop5h 26m
Delta
Tue 3/105:59 pm
SAT
- FCA
1 stop6h 42m
Delta
Deal found 2/12![Delta logo]()
$504
Last-minute flights from Kalispell to San AntonioDiscover last-minute flight deals from Kalispell to San Antonio. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated February 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/10. 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 2/192:41 pm
FCA
- SAT
1 stop5h 15m
United Airlines
Mon 2/234:45 pm
SAT
- FCA
1 stop6h 27m
United Airlines
Deal found 2/10![United Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 2/12. 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 2/276:15 pm
FCA
- SAT
1 stop5h 26m
Delta
Tue 3/35:59 pm
SAT
- FCA
1 stop6h 50m
Delta
Deal found 2/12![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 2/12. 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 3/46:15 pm
FCA
- SAT
1 stop5h 26m
Delta
Tue 3/105:59 pm
SAT
- FCA
1 stop6h 42m
Delta
Deal found 2/12![Delta logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 3/47:53 pm
FCA
- SAT
2 stops19h 36m
Alaska Airlines
Tue 3/103:15 pm
SAT
- FCA
2 stops21h 57m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$596
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 3/172:41 pm
FCA
- SAT
1 stop5h 13m
United Airlines
Sun 3/228:51 am
SAT
- FCA
1 stop5h 43m
United Airlines
Deal found 2/12![United Airlines logo]()
$671
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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.
Tue 3/177:53 pm
FCA
- SAT
2 stops26h 22m
Alaska Airlines
Sun 3/223:08 pm
SAT
- FCA
2 stops23h 04m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$812
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Mon 3/236:00 am
FCA
- SAT
1 stop6h 13m
United Airlines
Fri 3/278:51 am
SAT
- FCA
1 stop5h 43m
United Airlines
Deal found 2/12![United Airlines logo]()
$815
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 February 12, 2026.
Search for one-way flight options from Kalispell to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/52:41 pm
FCA
- SAT
1 stop5h 13m
United Airlines
Deal found 2/11![United Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 2/10. 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 4/215:05 am
FCA
- SAT
1 stop7h 33m
Delta
Deal found 2/10![Delta logo]()
$155
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 3/46:00 am
FCA
- SAT
1 stop6h 08m
United Airlines
Deal found 2/11![United Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 2/11. 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 3/45:00 am
FCA
- SAT
2 stops8h 44m
Delta
Deal found 2/11![Delta logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 4/218:26 pm
FCA
- SAT
3 stops38h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Wed 3/47:53 pm
FCA
- SAT
3 stops37h 47m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Thu 3/55:44 pm
FCA
- SAT
3 stops38h 22m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sat 5/306:20 am
FCA
- SAT
3 stops36h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$523
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Delta) |
One-way from | $150 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $460 |
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 February 12, 2026.
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
Fri 4/10
2:23 pm-9:47 pm
1 stop6h 24m
San Antonio
Sun 4/19
6:39 am-1:54 pm
1 stop8h 15m
$299
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Fri 4/10
5:09 am-1:35 pm
1 stop7h 26m
San Antonio
Mon 4/20
6:05 pm-11:27 pm
1 stop6h 22m
$309
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Fri 2/27
12:20 pm-11:43 pm
2 stops10h 23m
San Antonio
Tue 3/3
5:59 pm-11:49 pm
1 stop6h 50m
$454
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Wed 3/4
6:15 pm-12:41 am
1 stop5h 26m
San Antonio
Tue 3/10
5:59 pm-11:41 pm
1 stop6h 42m
$504
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Thu 3/5
2:41 pm-8:54 pm
1 stop5h 13m
$150
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sat 5/30
12:24 pm-9:28 pm
1 stop8h 04m
$155
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 4/21
5:05 am-1:38 pm
1 stop7h 33m
$155
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Wed 3/4
6:00 am-1:08 pm
1 stop6h 08m
$232
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Wed 3/4
5:00 am-2:44 pm
2 stops8h 44m
$271
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 4/21
8:26 pm-11:40 am
3 stops38h 14m
$327
Showing 1-10 of 13 results
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 February.
| 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
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 June is currently the most expensive (average of $340). 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 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 February 12, 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.
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 February 12, 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 February 12, 2026.
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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 February 12, 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 2,558,603 searches. Data last updated February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$463 | FlexibilityNo cancel fee | On-time69% |