$180+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — SAT
May 3 — May 101
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
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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 April 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 4/2. 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 5/65:05 am
FCA
- SAT
1 stop7h 33m
Delta
Sat 5/96:35 am
SAT
- FCA
1 stop5h 53m
Delta
Deal found 4/2![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:10 pm
FCA
- SAT
1 stop5h 15m
Delta
Sat 4/186:39 am
SAT
- FCA
1 stop7h 40m
Delta
Deal found 3/30![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:00 am
FCA
- SAT
2 stops10h 43m
United Airlines
Sat 4/188:45 am
SAT
- FCA
1 stop5h 46m
United Airlines
Deal found 3/30![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 6/236:55 am
FCA
- SAT
1 stop9h 18m
Delta
Tue 6/306:31 am
SAT
- FCA
1 stop6h 24m
Delta
Deal found 3/30![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 10/146:10 pm
FCA
- SAT
1 stop5h 35m
Delta
Sat 10/176:05 pm
SAT
- FCA
1 stop6h 02m
Delta
Deal found 3/30![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 3/31. 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 4/232:49 pm
FCA
- SAT
1 stop6h 22m
Delta
Sat 4/255:10 am
SAT
- FCA
2 stops13h 20m
Delta
Deal found 3/31![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/232:33 pm
FCA
- SAT
1 stop8h 26m
United Airlines
Wed 5/275:30 am
SAT
- FCA
1 stop5h 31m
United Airlines
Deal found 4/1![United Airlines logo]()
$510
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 April 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 3/31. 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 5/2312:20 pm
FCA
- SAT
1 stop8h 08m
Delta
Wed 5/275:55 pm
SAT
- FCA
1 stop6h 19m
Delta
Deal found 3/31![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Sat 5/2310:42 am
FCA
- SAT
2 stops9h 46m
United Airlines
Wed 5/275:30 am
SAT
- FCA
1 stop5h 31m
United Airlines
Deal found 3/29![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:05 am
FCA
- SAT
1 stop7h 33m
Delta
Sat 5/96:35 am
SAT
- FCA
1 stop5h 53m
Delta
Deal found 4/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/1412:10 pm
FCA
- SAT
2 stops10h 26m
Delta
Sat 4/185:20 am
SAT
- FCA
2 stops13h 10m
Delta
Deal found 3/30![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/52:33 pm
FCA
- SAT
1 stop5h 16m
United Airlines
Sat 5/94:16 pm
SAT
- FCA
2 stops22h 15m
United Airlines
Deal found 4/2![United Airlines logo]()
$563
Last-minute flights from Kalispell to San AntonioDiscover last-minute flight deals from Kalispell to San Antonio. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Kalispell to San Antonio. Data last updated April 3, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:10 pm
FCA
- SAT
1 stop5h 15m
Delta
Sat 4/186:39 am
SAT
- FCA
1 stop7h 40m
Delta
Deal found 3/30![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:00 am
FCA
- SAT
2 stops10h 43m
United Airlines
Sat 4/188:45 am
SAT
- FCA
1 stop5h 46m
United Airlines
Deal found 3/30![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 3/31. 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 4/232:49 pm
FCA
- SAT
1 stop6h 22m
Delta
Sat 4/255:10 am
SAT
- FCA
2 stops13h 20m
Delta
Deal found 3/31![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 4/2. 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 5/65:05 am
FCA
- SAT
1 stop7h 33m
Delta
Sat 5/96:35 am
SAT
- FCA
1 stop5h 53m
Delta
Deal found 4/2![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 5/232:33 pm
FCA
- SAT
1 stop8h 26m
United Airlines
Wed 5/275:30 am
SAT
- FCA
1 stop5h 31m
United Airlines
Deal found 4/1![United Airlines logo]()
$510
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 April 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 April 3, 2026.
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/206:07 pm
FCA
- SAT
1 stop5h 06m
Delta
Deal found 3/30![Delta logo]()
$180
This Delta deal was found by Cheapflights users on 4/2. 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 4/156:10 pm
FCA
- SAT
1 stop5h 15m
Delta
Deal found 4/2![Delta logo]()
$240
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Wed 4/156:00 am
FCA
- SAT
2 stops10h 43m
United Airlines
Deal found 4/2![United Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:28 pm
FCA
- SAT
3 stops43h 52m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:05 am
FCA
- SAT
3 stops33h 15m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$593
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 April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $180 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $366 |
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 April 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
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sat 5/23
12:20 pm-9:28 pm
1 stop8h 08m
San Antonio
Wed 5/27
5:55 pm-11:14 pm
1 stop6h 19m
$359
Quickest round-trip
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Wed 5/6
5:05 am-1:38 pm
1 stop7h 33m
San Antonio
Sat 5/9
6:35 am-11:28 am
1 stop5h 53m
$359
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 4/14
12:10 pm-11:36 pm
2 stops10h 26m
San Antonio
Sat 4/18
5:20 am-5:30 pm
2 stops13h 10m
$459
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Sat 5/23
10:42 am-9:28 pm
2 stops9h 46m
San Antonio
Wed 5/27
5:30 am-10:01 am
1 stop5h 31m
$514
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 5/5
2:33 pm-8:49 pm
1 stop5h 16m
San Antonio
Sat 5/9
4:16 pm-1:31 pm
2 stops22h 15m
$563
Cheapest one-way
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 5/12
7:28 pm-5:40 am
1 stop9h 12m
$180
Quickest one-way
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Wed 5/20
6:07 pm-12:13 am
1 stop5h 06m
$180
KalispellSan Antonio
FCA - SAT
FCASAT
Kalispell Glacier Park
Tue 5/12
1:20 pm-11:48 pm
2 stops9h 28m
$205
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 April.
| 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 April 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
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Entertainment
7.8
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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Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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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 April 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 April 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 April 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$382 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$430 | FlexibilityNo cancel fee | On-time69% |