$359+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
Sep 28 — Oct 51
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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 August 29, 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 August 29, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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 10/236:13 pm -
1 stop5h 17m
Sun 10/256:35 am -
1 stop6h 02m
Deal found 8/28![Delta logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/128:08 pm -
2 stops22h 18m
Thu 10/1510:34 pm -
1 stop19h 37m
Deal found 8/27![Multiple Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 11/137:41 am -
1 stop7h 38m
Mon 11/165:29 pm -
1 stop7h 30m
Deal found 8/25![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/125:04 pm -
1 stop5h 53m
Wed 9/169:10 am -
1 stop5h 19m
Deal found 8/28![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/26. 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
Tue 10/206:00 pm -
1 stop5h 57m
Deal found 8/26![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/26. 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 stop5h 12m
Tue 10/209:00 am -
1 stop8h 06m
Deal found 8/26![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/85:04 pm -
1 stop5h 53m
Tue 9/159:10 am -
1 stop7h 44m
Deal found 8/25![United Airlines logo]()
$494
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 August 29, 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 August 29, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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 10/236:13 pm -
1 stop5h 17m
Sun 10/256:35 am -
1 stop6h 02m
Deal found 8/28![Delta logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 1/227:00 am -
1 stop8h 02m
Mon 1/255:00 pm -
1 stop6h 57m
Deal found 8/28![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/125:04 pm -
1 stop5h 53m
Wed 9/169:10 am -
1 stop5h 19m
Deal found 8/28![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 11/137:41 am -
1 stop7h 38m
Mon 11/165:29 pm -
1 stop7h 30m
Deal found 8/25![Alaska Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 8/26. 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
Tue 10/206:00 pm -
1 stop5h 57m
Deal found 8/26![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/26. 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 stop5h 12m
Tue 10/209:48 am -
2 stops12h 48m
Deal found 8/26![United Airlines logo]()
$466
Last-minute flights from Kalispell to San AntonioDiscover last-minute flight deals from Kalispell to San Antonio. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated August 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/315:04 pm -
1 stop5h 53m
Wed 9/29:00 am -
1 stop7h 21m
Deal found 8/25![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 8/25. 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 8/316:20 am -
2 stops9h 19m
Wed 9/212:05 pm -
2 stops12h 51m
Deal found 8/25![Delta logo]()
$564
This Delta deal was found by Cheapflights users on 8/26. 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 9/15:15 am -
1 stop7h 16m
Fri 9/46:04 pm -
1 stop6h 52m
Deal found 8/26![Delta logo]()
$554
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/32:31 pm -
2 stops7h 08m
Sun 9/67:35 am -
2 stops9h 19m
Deal found 8/24![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/85:04 pm -
1 stop5h 53m
Tue 9/159:10 am -
1 stop7h 44m
Deal found 8/25![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/125:04 pm -
1 stop5h 53m
Wed 9/169:10 am -
1 stop5h 19m
Deal found 8/28![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/25. 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 9/1312:40 pm -
2 stops10h 33m
Tue 9/156:45 am -
1 stop6h 02m
Deal found 8/25![Delta logo]()
$594
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 August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $418 |
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 August 29, 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
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 10/23
6:13 pm-12:30 am
1 stop5h 17m
San Antonio
Sun 10/25
6:35 am-11:37 am
1 stop6h 02m
$359
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
$419
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 11/13
7:41 am-4:19 pm
1 stop7h 38m
San Antonio
Mon 11/16
5:29 pm-11:59 pm
1 stop7h 30m
$419
Quickest round-trip
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Sat 9/12
5:04 pm-11:57 pm
1 stop5h 53m
San Antonio
Wed 9/16
9:10 am-1:29 pm
1 stop5h 19m
$429
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
Tue 10/20
6:00 pm-10:57 pm
1 stop5h 57m
$459
KalispellSan Antonio
FCA Kalispell Glacier Park - SAT San Antonio
FCASAT
Kalispell Glacier Park
Fri 10/16
2:30 pm-8:42 pm
1 stop5h 12m
San Antonio
Tue 10/20
9:48 am-9:36 pm
2 stops12h 48m
$466
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 August.
| 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 August 29, 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
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kalispell
Popular flights
San Antonio flight routes
Alternative routes for Kalispell to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kalispell to San Antonio by cabin class
Find flights from Kalispell to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kalispell and San Antonio flights
Browse other Kalispell and San Antonio flight options. Last updated on August 29, 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 August 29, 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 August 29, 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 August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$388 | FlexibilityNo cancel fee | On-time69% |