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$86+ Cheap flights from Kansas City to San Antonio (MCI - 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Kansas City to San Antonio are usually found in August or January, booked 63 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 11, 2025.

Round-trip from

$157
(Booking.com)

One-way from

$86
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$347
From Kansas City to San Antonio
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One-way flight from Kansas City to San Antonio
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kansas City to San Antonio

Cheapest flights from Kansas City to San Antonio
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 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:01 pmMCI - SAT
1 stop23h 26mFrontier
Sun 9/288:20 pmSAT - MCI
1 stop17h 28mFrontier
Deal found 9/10$183
This Delta deal was found by Cheapflights users on 9/11. 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 10/110:19 amMCI - SAT
1 stop6h 56mDelta
Sat 10/46:35 amSAT - MCI
1 stop6h 10mDelta
Deal found 9/11$203
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 10/84:39 pmMCI - SAT
1 stop7h 41mDelta
Wed 10/155:14 amSAT - MCI
1 stop6h 17mDelta
Deal found 9/10$209
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:15 amMCI - SAT
1 stop6h 20mSouthwest
Thu 11/138:40 pmSAT - MCI
1 stop3h 35mSouthwest
Deal found 9/11$214
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/246:47 pmMCI - SAT
1 stop5h 33mDelta
Sat 11/15:15 pmSAT - MCI
1 stop6h 37mDelta
Deal found 9/11$220
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/87:02 pmMCI - SAT
1 stop16h 12mMultiple Airlines
Wed 10/157:00 amSAT - MCI
2 stops10h 55mMultiple Airlines
Deal found 9/10$222
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 9/304:06 pmMCI - SAT
1 stop7h 53mDelta
Fri 10/33:25 pmSAT - MCI
1 stop8h 19mDelta
Deal found 9/11$226
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/1312:31 pmMCI - SAT
1 stop20h 43mFrontier
Sun 11/168:25 pmSAT - MCI
2 stops13h 52mFrontier
Deal found 9/9$235
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/137:00 amMCI - SAT
1 stop10h 28mMultiple Airlines
Sun 11/168:25 pmSAT - MCI
1 stop23h 08mMultiple Airlines
Deal found 9/9$254

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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Kansas City to San Antonio that are best for you.

Fly from

Kansas City

Fly to

San Antonio

Route

Depart

Return

Price

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sat 11/1

9:00 am-5:16 pm

1 stop8h 16m

San Antonio

Wed 11/5

10:54 am-4:44 pm

1 stop5h 50m

$203

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 10/8

4:39 pm-12:20 am

1 stop7h 41m

San Antonio

Wed 10/15

5:14 am-11:31 am

1 stop6h 17m

$209

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 11/11

3:30 pm-9:50 pm

2 stops6h 20m

San Antonio

Thu 11/13

8:40 pm-12:15 am

1 stop3h 35m

$219

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 10/24

4:39 pm-11:07 pm

1 stop6h 28m

San Antonio

Sat 11/1

5:15 pm-11:52 pm

1 stop6h 37m

$220

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 9/30

4:06 pm-11:59 pm

1 stop7h 53m

San Antonio

Fri 10/3

3:25 pm-10:23 pm

1 stop6h 58m

$226

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 10/24

5:39 pm-11:07 pm

1 stop5h 28m

San Antonio

Wed 10/29

5:14 am-11:31 am

1 stop6h 17m

$226

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 10/1

6:30 am-11:50 am

1 stop5h 20m

San Antonio

Fri 10/3

6:02 pm-11:05 pm

1 stop5h 03m

$226

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 11/13

12:31 pm-9:14 am

1 stop20h 43m

San Antonio

Sun 11/16

8:25 pm-10:17 am

2 stops13h 52m

$235

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sat 12/6

5:45 am-2:21 pm

1 stop8h 36m

$99

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 12/11

8:33 pm-9:18 am

1 stop12h 45m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 19 results
1
2

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.
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

How far ahead should I book a flight from Kansas City to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to San Antonio. Price data was last updated on August 29, 2025.

The best time to book flights from Kansas City to San Antonio is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kansas City to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Kansas City to San Antonio (average of $295). Flying from Kansas City to San Antonio in March is currently the most expensive (average of $376). 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 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Kansas City to San Antonio in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Kansas City to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to San Antonio. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Kansas City to San Antonio flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Kansas City 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 September 11, 2025.
Read through reviews of airlines operating flights from Kansas City to San Antonio, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • What airports do I use to fly from Kansas City to San Antonio?

    To fly from Kansas City to San Antonio, you need to book a flight from Kansas City (MCI) to San Antonio (SAT). Nonstop flights to San Antonio from Kansas City take 1h 55m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Kansas City to San Antonio offered by 4 different airlines.

  • How long is the flight from Kansas City to San Antonio?

    Airlines like Delta and Southwest fly from Kansas City to San Antonio in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 1h 56m. Airlines will cover a distance of 707 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kansas City to San Antonio round-trip?

    Our cheapest airline available from Kansas City to San Antonio is Spirit Airlines. Our recent data shows that you can find tickets from as low as $209 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $224 and $236 round-trip. You may be able to fly from Kansas City to San Antonio for 41% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kansas City to San Antonio one-way?

    The cheapest airlines for a one-way flight from Kansas City to San Antonio are Delta ($99), Frontier ($99), and Southwest ($100).

  • What are the cheapest flights from Kansas City to San Antonio?

    On average you can expect to pay $265 for a flight from Kansas City to San Antonio. The cheapest flight overall is $200 while the most popular route, (Kansas City - San Antonio) is currently priced at $195.

  • Can I find deals for flights from Kansas City to San Antonio that include hotel bookings?

    Yes. In addition to deals on Kansas City to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to San Antonio.

  • Can I find deals for business class flights from Kansas City to San Antonio?

    Yes. Cheapflights offers flight deals from Kansas City to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Kansas City to San Antonio (average of $295). Flying from Kansas City to San Antonio in March is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$209Average$296FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$224Average$359FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$236Average$359FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$240Average$416FlexibilityNo cancel feeOn-time71%

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