HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$93+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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.

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 July 28, 2025.

Round-trip from

$195
(FlightHub)

One-way from

$93
(Booking.com)

Popular in

November

Cheapest in

August

Average price

$347
From Kansas City to San Antonio
Search Deals
One-way flight from Kansas City to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 28, 2025.

This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:20 pmMCI - SAT
1 stop23h 53mFrontier
Sun 8/178:14 pmSAT - MCI
1 stop22h 50mFrontier
Deal found 7/27$195
This Priceline deal was found by Cheapflights users on 7/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:15 amMCI - SAT
1 stop8h 34mSpirit Airlines
Fri 10/32:54 pmSAT - MCI
1 stop8h 13mSpirit Airlines
Deal found 7/25$209
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:10 pmMCI - SAT
Nonstop2h 00mSouthwest
Tue 8/2612:35 pmSAT - MCI
Nonstop1h 55mSouthwest
Deal found 7/26$217
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/194:11 pmMCI - SAT
1 stop7h 46mDelta
Tue 8/2610:45 amSAT - MCI
1 stop8h 11mDelta
Deal found 7/27$227
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/197:30 amMCI - SAT
2 stops7h 56mUnited Airlines
Tue 8/269:50 amSAT - MCI
1 stop4h 23mUnited Airlines
Deal found 7/28$232
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:45 amMCI - SAT
1 stop3h 32mAmerican Airlines
Fri 8/296:30 pmSAT - MCI
1 stop4h 02mAmerican Airlines
Deal found 7/25$250
This FlightHub deal was found by Cheapflights users on 7/27. 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 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
Mon 8/47:45 amSAT - MCI
1 stop7h 32mMultiple Airlines
Deal found 7/27$348

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 28, 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

Wed 8/6

7:20 pm-7:13 pm

1 stop23h 53m

San Antonio

Sun 8/17

8:14 pm-7:04 pm

1 stop22h 50m

$195

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 9/12

5:15 am-1:49 pm

1 stop8h 34m

San Antonio

Mon 9/15

2:54 pm-11:07 pm

1 stop8h 13m

$207

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/19

12:10 pm-2:10 pm

Nonstop2h 00m

San Antonio

Tue 8/26

12:35 pm-2:30 pm

Nonstop1h 55m

$217

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/19

4:11 pm-11:57 pm

1 stop7h 46m

San Antonio

Tue 8/26

10:45 am-6:56 pm

1 stop8h 11m

$227

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/19

7:30 am-3:26 pm

2 stops7h 56m

San Antonio

Tue 8/26

9:50 am-2:13 pm

1 stop4h 23m

$232

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/28

5:45 am-9:17 am

1 stop3h 32m

San Antonio

Fri 8/29

6:30 pm-10:32 pm

1 stop4h 02m

$250

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/1

8:01 pm-6:02 pm

1 stop22h 01m

San Antonio

Mon 8/4

7:45 am-3:17 pm

1 stop7h 32m

$348

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 10/20

5:15 am-3:55 pm

1 stop10h 40m

$93

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 8/6

7:20 pm-7:13 pm

1 stop23h 53m

$97

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 8/27

12:10 pm-2:10 pm

Nonstop2h 00m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 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 July 25, 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 28, 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 28% 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 July 27, 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 28, 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
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
7,971 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
8,893 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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
8,034 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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 Frontier. Our recent data shows that you can find tickets from as low as $195 on this airline. Additional options worth looking into are Spirit Airlines and Southwest, starting at $207 and $217 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 Spirit Airlines ($93), Frontier ($97), and Southwest ($109).

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

    On average you can expect to pay $252 for a flight from Kansas City to San Antonio. The cheapest flight overall is $180 while the most popular route, (Kansas City - San Antonio) is currently priced at $207.

  • 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

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 for Kansas City to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Hobby flights
Kansas City to George Bush Intcntl flights
Kansas City to Dallas/Fort Worth flights
St. Louis to Dallas/Fort Worth flights
St. Louis to Hobby flights
St. Louis to George Bush Intcntl flights
Springfield to Hobby flights
Springfield to George Bush Intcntl flights
St. Louis to San Antonio flights
Kansas City to Austin flights
Kansas City to Love Field flights
St. Louis to Love Field flights
Springfield to Dallas/Fort Worth flights
St. Louis to Austin flights
Springfield to Austin flights
Kansas City to Lubbock flights
Columbia to Dallas/Fort Worth flights
Springfield to San Antonio flights
Kansas City to El Paso flights
St. Louis to McAllen flights
St. Louis to El Paso flights
Joplin to George Bush Intcntl flights
Kansas City to McAllen flights
Springfield to Love Field flights
St. Louis to Lubbock flights
Springfield to McAllen flights
St. Louis to Corpus Christi flights
St. Louis to Harlingen flights
Kansas City to Brownsville flights
Columbia to Hobby flights
St. Louis to Waco flights
Springfield to Corpus Christi flights
Columbia to George Bush Intcntl flights
St. Louis to Brownsville flights
Springfield to El Paso flights
Kansas City to Corpus Christi flights
Joplin to Dallas/Fort Worth flights
Columbia to McAllen flights
Kansas City to Harlingen flights
Columbia to San Antonio flights
Kansas City to Amarillo flights
Joplin to San Antonio flights
St. Louis to Amarillo flights
Joplin to Austin flights
Branson to Austin flights
St. Louis to Longview flights
St. Louis to Tyler flights
St. Louis to Abilene flights

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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$183Average$296FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$189Average$396FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$361FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$236Average$361FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.