$99+ Cheap flights from Kansas City to San Antonio (MCI - 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Oct 5 — Oct 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kansas City 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 Kansas City to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kansas City to San AntonioExplore the most affordable flight options available from Kansas City to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from Kansas City to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 pm -
1 stop13h 14m
Mon 9/2812:39 pm -
1 stop9h 06m
Deal found 9/1![Frontier logo]()
$216
This Delta deal was found by Cheapflights users on 8/31. 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.
Wed 9/233:59 pm -
1 stop5h 23m
Wed 9/305:30 am -
1 stop7h 51m
Deal found 8/31![Delta logo]()
$217
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:32 pm -
1 stop22h 53m
Mon 9/2812:39 pm -
1 stop9h 06m
Deal found 8/31![Frontier logo]()
$221
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 9/3![Frontier logo]()
$226
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:55 pm -
Nonstop2h 00m
Fri 10/28:45 pm -
1 stop3h 50m
Deal found 9/1![Southwest logo]()
$227
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:32 pm -
1 stop22h 53m
Wed 9/308:20 pm -
1 stop23h 17m
Deal found 9/2![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:43 pm -
1 stop22h 31m
Mon 11/28:20 pm -
1 stop23h 27m
Deal found 8/31![Frontier logo]()
$236
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:40 am -
Nonstop2h 00m
Mon 9/2812:05 pm -
Nonstop1h 55m
Deal found 8/31![Southwest logo]()
$237
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 9/2![Frontier logo]()
$238
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 11/138:30 am -
1 stop4h 46m
Sat 11/145:30 am -
2 stops6h 58m
Deal found 9/1![United Airlines logo]()
$242
Best flights from Kansas City to San AntonioDiscover carefully curated flight deals from Kansas City to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Kansas City to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:40 am -
Nonstop2h 00m
Mon 9/2812:05 pm -
Nonstop1h 55m
Deal found 8/31![Southwest logo]()
$237
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:54 pm -
1 stop5h 39m
Sat 11/145:30 am -
1 stop8h 01m
Deal found 9/1![Delta logo]()
$237
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 11/138:30 am -
1 stop4h 46m
Sat 11/145:30 am -
2 stops6h 58m
Deal found 9/1![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:20 am -
1 stop6h 20m
Mon 10/126:45 pm -
1 stop5h 10m
Deal found 9/1![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 10/241:48 pm -
2 stops7h 43m
Tue 10/2711:45 am -
1 stop5h 10m
Deal found 9/3![United Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:55 pm -
Nonstop2h 00m
Fri 10/28:45 pm -
1 stop3h 50m
Deal found 9/2![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/309:59 am -
2 stops11h 32m
Thu 10/15:30 am -
1 stop4h 36m
Deal found 9/2![United Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:05 pm -
Nonstop2h 00m
Sun 10/188:45 pm -
1 stop3h 55m
Deal found 9/3![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:50 pm -
Nonstop2h 00m
Wed 10/71:05 pm -
Nonstop1h 55m
Deal found 9/2![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:05 pm -
Nonstop2h 00m
Tue 10/61:05 pm -
Nonstop1h 55m
Deal found 9/4![Southwest logo]()
$357
Last-minute flights from Kansas City to San AntonioDiscover last-minute flight deals from Kansas City to San Antonio. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to San Antonio. Data last updated September 5, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:32 pm -
1 stop22h 53m
Thu 9/2412:39 pm -
1 stop9h 06m
Deal found 9/1![Frontier logo]()
$245
This Delta deal was found by Cheapflights users on 8/31. 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.
Wed 9/233:59 pm -
1 stop5h 23m
Wed 9/305:30 am -
1 stop7h 51m
Deal found 8/31![Delta logo]()
$217
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:32 pm -
1 stop22h 53m
Wed 9/308:20 pm -
1 stop23h 17m
Deal found 9/2![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 9/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:30 pm -
1 stop13h 14m
Mon 9/2812:39 pm -
1 stop9h 06m
Deal found 9/1![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:32 pm -
1 stop22h 53m
Mon 9/2812:39 pm -
1 stop9h 06m
Deal found 8/31![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:40 am -
Nonstop2h 00m
Mon 9/2812:05 pm -
Nonstop1h 55m
Deal found 8/31![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:55 pm -
Nonstop2h 00m
Fri 10/28:45 pm -
1 stop3h 50m
Deal found 9/1![Southwest logo]()
$227
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 9/2![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:43 pm -
1 stop22h 43m
Tue 10/278:20 pm -
1 stop23h 27m
Deal found 9/3![Frontier logo]()
$226
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:43 pm -
1 stop22h 31m
Mon 11/28:20 pm -
1 stop23h 27m
Deal found 8/31![Frontier logo]()
$236
One-way flights from Kansas City to San AntonioSearch for one-way flight options from Kansas City to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Kansas City to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Southwest deal was found by Cheapflights users on 8/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:55 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Southwest logo]()
$99
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:07 am -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$108
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 9/292:26 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$109
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:30 pm -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:32 pm -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:30 pm -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$117
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:05 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$119
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:53 pm -
1 stop8h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$120
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:32 pm -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:43 pm -
1 stop22h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$123
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:37 pm -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$128
Find flight deals from Kansas City to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $216 (Frontier) |
One-way from | $99 (Southwest) |
Popular in | May |
Cheapest in | October |
Average price | $343 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City 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 September 5, 2026.
Use the filters below to find and compare flights from Kansas City to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Wed 10/28
5:40 am-12:35 pm
1 stop6h 55m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Sat 10/31
7:00 am-11:10 am
1 stop4h 10m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Sat 10/3
7:04 am-12:49 pm
1 stop5h 45m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Sat 10/31
5:31 pm-11:26 pm
1 stop5h 55m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Fri 11/13
2:10 pm-8:35 pm
1 stop6h 25m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Thu 10/29
4:23 pm-12:33 am
1 stop8h 10m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Tue 10/6
5:31 pm-12:33 am
1 stop7h 02m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Thu 12/3
3:58 pm-12:36 am
1 stop8h 38m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Sat 10/3
6:00 am-3:53 pm
2 stops9h 53m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$143
Kansas CitySan Antonio
MCI Kansas City - SAT San Antonio
MCISAT
Kansas City
Fri 11/13
1:34 pm-10:51 pm
2 stops9h 17m
San Antonio
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Kansas City 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 Kansas City to San Antonio in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Kansas City-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-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 Kansas City-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 Kansas City to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Kansas City with our price prediction graph.
MCI-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 Kansas City to San Antonio
What is the cheapest month to book a flight from Kansas City to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Kansas City to San Antonio (average of $330). Flying from Kansas City to San Antonio in May is currently the most expensive (average of $492). 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.
What is the cheapest time of day to fly from MCI to SAT?
Find hourly flight availability from Kansas City to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2026.
A simple way to save on the total cost of your ticket is to fly from Kansas City to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the evening.
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 September 5, 2026.
Read through reviews of airlines operating flights from Kansas City to San Antonio, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Kansas City 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
Popular flights
San Antonio flight routes
Alternative routes for Kansas City 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 Kansas City to San Antonio by cabin class
Find flights from Kansas City to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and San Antonio flights
Browse other Kansas City and San Antonio flight options. Last updated on September 5, 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 September 5, 2026.
Top 4 airlines flying from Kansas City to San Antonio
Discover the top 4 airlines that operate flights from Kansas City 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 September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$266 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$241 | Average$348 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$369 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$350 | FlexibilityNo cancel fee | On-time71% |