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$99+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$238
(Southwest)

One-way from

$99
(Southwest)

Popular in

November

Cheapest in

August

Average price

$366
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 ($34 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 June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:08 pmMCI - SAT
1 stop8h 56mSpirit Airlines
Fri 9/265:20 amSAT - MCI
1 stop12h 18mSpirit Airlines
Deal found 6/11$234
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/1411:50 amMCI - SAT
Nonstop1h 55mSouthwest
Sun 8/1711:20 amSAT - MCI
Nonstop1h 55mSouthwest
Deal found 6/11$238
This Delta deal was found by Cheapflights users on 6/11. 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 8/123:56 pmMCI - SAT
1 stop5h 22mDelta
Tue 8/192:10 pmSAT - MCI
1 stop7h 08mDelta
Deal found 6/11$241
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:30 pmMCI - SAT
1 stop4h 29mUnited Airlines
Sun 8/175:30 amSAT - MCI
1 stop6h 33mUnited Airlines
Deal found 6/11$253
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:02 pmMCI - SAT
1 stop20h 33mFrontier
Sun 8/248:18 pmSAT - MCI
1 stop17h 15mFrontier
Deal found 6/11$276
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:44 amMCI - SAT
1 stop6h 51mAmerican Airlines
Sat 8/96:00 amSAT - MCI
1 stop3h 49mAmerican Airlines
Deal found 6/10$279
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Mon 6/308:01 pmMCI - SAT
1 stop22h 02mMultiple Airlines
Wed 7/210:00 amSAT - MCI
1 stop12h 01mMultiple Airlines
Deal found 6/12$418
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:00 pmMCI - SAT
2 stops25h 37mAlaska Airlines
Tue 8/197:37 pmSAT - MCI
2 stops20h 24mAlaska Airlines
Deal found 6/11$493

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 June 12, 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

Thu 8/14

11:50 am-1:45 pm

Nonstop1h 55m

San Antonio

Sun 8/17

11:20 am-1:15 pm

Nonstop1h 55m

$238

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/12

3:56 pm-9:18 pm

1 stop5h 22m

San Antonio

Tue 8/19

2:10 pm-9:18 pm

1 stop7h 08m

$241

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/14

6:30 pm-10:59 pm

1 stop4h 29m

San Antonio

Sun 8/17

5:30 am-12:03 pm

1 stop6h 33m

$253

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 7/8

7:50 pm-6:36 pm

1 stop22h 46m

San Antonio

Tue 7/15

7:52 pm-1:37 pm

1 stop17h 45m

$254

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/22

6:02 pm-2:35 pm

1 stop20h 33m

San Antonio

Sun 8/24

8:18 pm-1:33 pm

1 stop17h 15m

$276

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/1

5:44 am-12:35 pm

1 stop6h 51m

San Antonio

Sat 8/9

6:00 am-9:49 am

1 stop3h 49m

$279

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 6/30

8:01 pm-6:03 pm

1 stop22h 02m

San Antonio

Wed 7/2

10:00 am-10:01 pm

1 stop12h 01m

$418

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/12

5:00 pm-6:37 pm

2 stops25h 37m

San Antonio

Tue 8/19

7:37 pm-4:01 pm

2 stops20h 24m

$493

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 8/13

12:10 pm-2:10 pm

Nonstop2h 00m

$99

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/10

5:33 am-9:27 am

1 stop3h 54m

$108

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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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 9, 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 June 12, 2025.

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 7% on your trip compared to booking a flight at noon.

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 8, 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Kansas City to San Antonio, such as Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 Southwest. Our recent data shows that you can find tickets from as low as $238 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $241 and $253 round-trip. You may be able to fly from Kansas City to San Antonio for 32% 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 Southwest ($99), American Airlines ($108), and United Airlines ($109).

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

    On average you can expect to pay $323 for a flight from Kansas City to San Antonio. The cheapest flight overall is $158 while the most popular route, (Kansas City - San Antonio) is currently priced at $234.

  • 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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Alternative routes for Kansas City to San Antonio

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$181Average$349FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$359FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$270Average$366FlexibilityNo cancel feeOn-time63%

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