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$91+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Kansas City to San Antonio are usually found in August or July, booked 63 days in advance, depart on a Friday 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 July 1, 2025.

Round-trip from

$197
(United Airlines)

One-way from

$91
(Priceline)

Popular in

November

Cheapest in

August

Average price

$334
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. 8% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

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 8/46:30 pmMCI - SAT
1 stop4h 29mUnited Airlines
Thu 8/75:20 pmSAT - MCI
1 stop5h 54mUnited Airlines
Deal found 7/1$197
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:20 amMCI - SAT
1 stop7h 45mSouthwest
Wed 10/112:35 pmSAT - MCI
Nonstop1h 55mSouthwest
Deal found 6/30$207
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:00 amMCI - SAT
1 stop7h 06mSpirit Airlines
Wed 8/62:11 pmSAT - MCI
1 stop10h 01mSpirit Airlines
Deal found 6/30$219
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:45 amMCI - SAT
1 stop8h 09mDelta
Sat 8/95:25 amSAT - MCI
1 stop5h 22mDelta
Deal found 6/30$224
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:01 pmMCI - SAT
1 stop22h 01mMultiple Airlines
Tue 8/52:11 pmSAT - MCI
1 stop10h 01mMultiple Airlines
Deal found 6/30$249
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:01 pmMCI - SAT
1 stop22h 01mFrontier
Tue 8/56:59 pmSAT - MCI
1 stop23h 24mFrontier
Deal found 6/30$271

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 July 1, 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

Mon 8/4

6:30 pm-10:59 pm

1 stop4h 29m

San Antonio

Thu 8/7

5:20 pm-11:14 pm

1 stop5h 54m

$197

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/24

6:30 am-11:50 am

1 stop5h 20m

San Antonio

Wed 10/1

6:02 pm-11:05 pm

1 stop5h 03m

$207

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 7/30

6:00 am-1:06 pm

1 stop7h 06m

San Antonio

Wed 8/6

2:11 pm-12:12 am

1 stop10h 01m

$219

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/28

11:50 am-1:45 pm

Nonstop1h 55m

San Antonio

Mon 9/1

12:05 pm-2:00 pm

Nonstop1h 55m

$238

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/1

8:01 pm-6:02 pm

1 stop22h 01m

San Antonio

Tue 8/5

2:11 pm-12:12 am

1 stop10h 01m

$249

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/1

8:01 pm-6:02 pm

1 stop22h 01m

San Antonio

Tue 8/5

6:59 pm-6:23 pm

1 stop23h 24m

$271

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/21

2:18 pm-7:33 pm

1 stop5h 15m

$91

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/7

11:50 am-1:45 pm

Nonstop1h 55m

$99

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sat 8/9

6:00 am-6:33 pm

1 stop12h 33m

$103

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/26

12:11 pm-8:19 pm

1 stop8h 08m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 results
1
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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 June 27, 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 July 1, 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 6% 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 June 29, 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.

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 1, 2025.
Read through reviews of airlines operating flights from Kansas City to San Antonio, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,101 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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

    Our cheapest airline available from Kansas City to San Antonio is United Airlines. Our recent data shows that you can find tickets from as low as $197 on this airline. Additional options worth looking into are Delta and Spirit Airlines, starting at $207 and $219 round-trip. You may be able to fly from Kansas City to San Antonio for 44% 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 Frontier ($91), United Airlines ($99), and Spirit Airlines ($103).

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

    On average you can expect to pay $325 for a flight from Kansas City to San Antonio. The cheapest flight overall is $193 while the most popular route, (Kansas City - San Antonio) is currently priced at $197.

  • 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 Kansas City?

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$187Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$359FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$368FlexibilityNo cancel feeOn-time63%

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