$365+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from Kalispell to San Antonio with Cheapflights
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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
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Best
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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 July 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 July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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 10/166:09 pm
FCA
- SAT
1 stop5h 16m
Delta
Sun 10/256:35 am
SAT
- FCA
1 stop6h 10m
Delta
Deal found 6/29![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 6/29. 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 10/166:09 pm
FCA
- SAT
1 stop5h 16m
Delta
Tue 10/272:30 pm
SAT
- FCA
2 stops9h 27m
Delta
Deal found 6/29![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 10/112:40 pm
FCA
- SAT
2 stops10h 33m
Delta
Mon 10/57:20 am
SAT
- FCA
2 stops10h 58m
Delta
Deal found 6/28![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 11/56:30 am
FCA
- SAT
1 stop8h 55m
Alaska Airlines
Mon 11/95:21 pm
SAT
- FCA
1 stop7h 38m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 10/156:09 pm
FCA
- SAT
1 stop5h 16m
Delta
Mon 10/266:35 am
SAT
- FCA
1 stop6h 10m
Delta
Deal found 6/29![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 6/29. 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.
Thu 10/156:09 pm
FCA
- SAT
1 stop5h 16m
Delta
Sun 10/257:30 am
SAT
- FCA
2 stops10h 59m
Delta
Deal found 6/29![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/29. 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 10/1610:45 am
FCA
- SAT
2 stops11h 06m
United Airlines
Mon 10/264:48 pm
SAT
- FCA
1 stop5h 54m
United Airlines
Deal found 6/29![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 10/175:30 am
FCA
- SAT
1 stop7h 10m
Delta
Mon 10/267:30 am
SAT
- FCA
2 stops10h 59m
Delta
Deal found 6/29![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 6/29. 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 10/1612:35 pm
FCA
- SAT
2 stops10h 33m
Delta
Mon 10/267:30 am
SAT
- FCA
2 stops10h 59m
Delta
Deal found 6/29![Delta logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 7/1310:17 am
FCA
- SAT
2 stops31h 27m
Multiple Airlines
Fri 7/176:40 pm
SAT
- FCA
1 stop16h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$530
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 July 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 July 3, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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 10/166:09 pm
FCA
- SAT
1 stop5h 16m
Delta
Tue 10/276:20 am
SAT
- FCA
1 stop9h 21m
Delta
Deal found 6/29![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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.
Thu 11/56:30 am
FCA
- SAT
1 stop8h 55m
Alaska Airlines
Mon 11/95:21 pm
SAT
- FCA
1 stop7h 38m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 7/1310:17 am
FCA
- SAT
2 stops31h 27m
Multiple Airlines
Fri 7/176:40 pm
SAT
- FCA
1 stop16h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 10/15:30 am
FCA
- SAT
1 stop7h 10m
Delta
Mon 10/510:59 am
SAT
- FCA
2 stops12h 55m
Delta
Deal found 6/28![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 10/175:30 am
FCA
- SAT
2 stops8h 22m
Delta
Tue 10/275:30 am
SAT
- FCA
2 stops12h 59m
Delta
Deal found 6/29![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 7/136:55 am
FCA
- SAT
1 stop9h 16m
Delta
Fri 7/176:05 pm
SAT
- FCA
1 stop6h 38m
Delta
Deal found 6/28![Delta logo]()
$574
Last-minute flights from Kalispell to San AntonioDiscover last-minute flight deals from Kalispell to San Antonio. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated July 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:52 pm
FCA
- SAT
1 stop6h 06m
American Airlines
Sun 7/56:24 am
SAT
- FCA
1 stop10h 45m
American Airlines
Deal found 6/30![American Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/31:20 pm
FCA
- SAT
2 stops9h 35m
United Airlines
Sun 7/512:01 pm
SAT
- FCA
2 stops11h 54m
United Airlines
Deal found 6/30![United Airlines logo]()
$988
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 7/1310:17 am
FCA
- SAT
2 stops31h 27m
Multiple Airlines
Fri 7/176:40 pm
SAT
- FCA
1 stop16h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 7/136:55 am
FCA
- SAT
1 stop9h 16m
Delta
Fri 7/176:05 pm
SAT
- FCA
1 stop6h 38m
Delta
Deal found 6/28![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 7/276:55 am
FCA
- SAT
1 stop9h 16m
Delta
Fri 7/316:05 pm
SAT
- FCA
1 stop6h 38m
Delta
Deal found 6/28![Delta logo]()
$729
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/276:20 am
FCA
- SAT
2 stops15h 22m
United Airlines
Fri 7/314:35 pm
SAT
- FCA
1 stop6h 12m
United Airlines
Deal found 7/1![United Airlines logo]()
$992
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 July 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 July 3, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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 8/235:15 am
FCA
- SAT
2 stops8h 42m
Delta
Deal found 6/28![Delta logo]()
$365
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:45 pm
FCA
- SAT
1 stop7h 14m
American Airlines
Deal found 6/28![American Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/315:28 pm
FCA
- SAT
1 stop5h 27m
United Airlines
Deal found 7/3![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 7/312:19 pm
FCA
- SAT
2 stops8h 39m
American Airlines
Deal found 7/3![American Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/238:01 pm
FCA
- SAT
3 stops36h 47m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$779
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $389 (Delta) |
One-way from | $365 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $554 |
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, 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 - SAT
FCASAT
Kalispell Glacier Park
Fri 10/16
6:09 pm-12:25 am
1 stop5h 16m
San Antonio
Tue 10/27
6:20 am-2:41 pm
1 stop9h 21m
$389
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Thu 10/1
5:30 am-1:40 pm
1 stop7h 10m
San Antonio
Mon 10/5
10:59 am-10:54 pm
2 stops12h 55m
$394
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Thu 11/5
6:30 am-4:25 pm
1 stop8h 55m
San Antonio
Mon 11/9
5:21 pm-11:59 pm
1 stop7h 38m
$434
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sat 10/17
5:30 am-2:52 pm
2 stops8h 22m
San Antonio
Tue 10/27
5:30 am-5:29 pm
2 stops12h 59m
$515
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Mon 7/13
10:17 am-6:44 pm
2 stops31h 27m
San Antonio
Fri 7/17
6:40 pm-10:00 am
1 stop16h 20m
$530
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Mon 7/13
6:55 am-5:11 pm
1 stop9h 16m
San Antonio
Fri 7/17
6:05 pm-11:43 pm
1 stop6h 38m
$574
Cheapest one-way
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sun 8/23
5:15 am-2:57 pm
2 stops8h 42m
$365
Quickest one-way
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Fri 7/31
5:28 pm-11:55 pm
1 stop5h 27m
$459
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Fri 7/31
2:19 pm-11:58 pm
2 stops8h 39m
$531
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sun 8/23
8:01 pm-9:48 am
3 stops36h 47m
$779
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 July.
| 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.
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, 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.
Comfort
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 July 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 July 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 July 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 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$401 | FlexibilityNo cancel fee | On-time69% |