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Cheap flights from Kansas City to San Antonio from $81

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:43 pm - 7:25 pmMCI  Kansas City-SAT San Antonio
22h 42m1 stop Denver Intl
Frontier Logo
10:29 pm - 12:49 pmSAT  San Antonio-MCI Kansas City
14h 20m1 stop Las Vegas Harry Reid Intl
$186Frontier
Sat, Nov 14 - Wed, Nov 18
Frontier Logo
8:43 pm - 7:25 pmMCI  Kansas City-SAT San Antonio
22h 42m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:47 pmSAT  San Antonio-MCI Kansas City
23h 27m1 stop Denver Intl
$186Frontier
Tue, Nov 3 - Sat, Nov 7
American Airlines Logo
5:17 pm - 12:04 amMCI  Kansas City-SAT San Antonio
6h 47m1 stop Dallas/Fort Worth
American Airlines Logo
12:45 pm - 4:27 pmSAT  San Antonio-MCI Kansas City
3h 42m1 stop Dallas/Fort Worth
$247American Airlines
Mon, Dec 14 - Wed, Dec 16
Southwest Logo
6:05 pm - 8:05 pmMCI  Kansas City-SAT San Antonio
2h 00mnonstop
Southwest Logo
11:40 am - 1:35 pmSAT  San Antonio-MCI Kansas City
1h 55mnonstop
$265Southwest
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
5:17 pm - 12:04 amMCI  Kansas City-SAT San Antonio
6h 47m1 stop Dallas/Fort Worth
American Airlines Logo
12:45 pm - 4:27 pmSAT  San Antonio-MCI Kansas City
3h 42m1 stop Dallas/Fort Worth
$267American Airlines
Mon, Dec 14 - Wed, Dec 16
Southwest Logo
4:25 pm - 6:25 pmMCI  Kansas City-SAT San Antonio
2h 00mnonstop
Southwest Logo
6:00 am - 1:20 pmSAT  San Antonio-MCI Kansas City
7h 20m1 stop Denver Intl
$270Southwest
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
8:30 am - 3:37 pmMCI  Kansas City-SAT San Antonio
7h 07m1 stop Houston George Bush Intcntl
United Airlines Logo
5:58 pm - 10:15 pmSAT  San Antonio-MCI Kansas City
4h 17m1 stop Houston George Bush Intcntl
$275United Airlines
Thu, Dec 17 - Mon, Dec 21
United Airlines Logo
8:30 am - 1:16 pmMCI  Kansas City-SAT San Antonio
4h 46m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 12:28 pmSAT  San Antonio-MCI Kansas City
6h 58m2 stops Houston George Bush Intcntl Denver Intl
$280United Airlines
Sat, Nov 14 - Wed, Nov 18
Delta Logo
5:41 pm - 12:35 amMCI  Kansas City-SAT San Antonio
6h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:37 pm - 11:56 pmSAT  San Antonio-MCI Kansas City
5h 19m1 stop Atlanta Hartsfield-Jackson
$285Delta
Mon, Dec 14 - Wed, Dec 16
Delta Logo
5:41 pm - 12:36 amMCI  Kansas City-SAT San Antonio
6h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:36 pm - 11:56 pmSAT  San Antonio-MCI Kansas City
5h 20m1 stop Atlanta Hartsfield-Jackson
$285Delta
Mon, Dec 14 - Wed, Dec 16

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Frontier flights from Kansas City to San Antonio

Our best Frontier deals on Kansas City to San Antonio flight tickets
Frontier
Nov 3
MCI8:43 pmKansas City
22h 42m
1 stop
SAT7:25 pmSan Antonio
Nov 7
SAT8:20 pmSan Antonio
23h 27m
1 stop
MCI7:47 pmKansas City
$186
Frontier
Nov 9
MCI8:43 pmKansas City
22h 42m
1 stop
SAT7:25 pmSan Antonio
Nov 11
SAT8:20 pmSan Antonio
23h 27m
1 stop
MCI7:47 pmKansas City
$206
Frontier
Nov 6
MCI8:43 pmKansas City
22h 42m
1 stop
SAT7:25 pmSan Antonio
Nov 9
SAT8:20 pmSan Antonio
23h 27m
1 stop
MCI7:47 pmKansas City
$208

United Airlines flights from Kansas City to San Antonio

Our best United Airlines deals on Kansas City to San Antonio flight tickets
United Airlines
Dec 17
MCI8:30 amKansas City
7h 07m
1 stop
SAT3:37 pmSan Antonio
Dec 21
SAT5:58 pmSan Antonio
4h 17m
1 stop
MCI10:15 pmKansas City
$275
United Airlines
Oct 17
MCI1:48 pmKansas City
7h 43m
2 stops
SAT9:31 pmSan Antonio
Oct 24
SAT5:58 pmSan Antonio
4h 37m
1 stop
MCI10:35 pmKansas City
$280
United Airlines
Nov 14
MCI6:28 amKansas City
4h 18m
1 stop
SAT10:46 amSan Antonio
Nov 18
SAT7:35 amSan Antonio
8h 36m
2 stops
MCI4:11 pmKansas City
$290

momondo Fare Finder

 
Use the filters below to find and compare flights from Kansas City to San Antonio that are best for you.

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Route

Depart

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Price

Cheapest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 11/14

8:43 pm-7:25 pm

1 stop22h 42m

San Antonio

Wed 11/18

10:29 pm-12:49 pm

1 stop14h 20m

$186

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Tue 11/3

8:43 pm-7:25 pm

1 stop22h 42m

San Antonio

Sat 11/7

8:20 pm-7:47 pm

1 stop23h 27m

$186

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Mon 12/14

5:17 pm-12:04 am

1 stop6h 47m

San Antonio

Wed 12/16

12:45 pm-4:27 pm

1 stop3h 42m

$247
Quickest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 10/15

6:05 pm-8:05 pm

Nonstop2h 00m

San Antonio

Mon 10/19

11:40 am-1:35 pm

Nonstop1h 55m

$265

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Mon 12/14

5:17 pm-12:04 am

1 stop6h 47m

San Antonio

Wed 12/16

12:45 pm-4:27 pm

1 stop3h 42m

$267

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Wed 10/28

4:25 pm-6:25 pm

Nonstop2h 00m

San Antonio

Sat 10/31

6:00 am-1:20 pm

1 stop7h 20m

$270

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 12/17

8:30 am-3:37 pm

1 stop7h 07m

San Antonio

Mon 12/21

5:58 pm-10:15 pm

1 stop4h 17m

$275

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 11/14

8:30 am-1:16 pm

1 stop4h 46m

San Antonio

Wed 11/18

5:30 am-12:28 pm

2 stops6h 58m

$280

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Mon 12/14

5:41 pm-12:35 am

1 stop6h 54m

San Antonio

Wed 12/16

6:37 pm-11:56 pm

1 stop5h 19m

$285

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Mon 12/14

5:41 pm-12:36 am

1 stop6h 55m

San Antonio

Wed 12/16

6:36 pm-11:56 pm

1 stop5h 20m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Kansas City to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kansas City and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from $288 to $417.
The lowest price recently found on this route was $186.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Kansas City during April instead. Flights to San Antonio in April, while not as cheap as those in February, still average around $336.

What is the cheapest Kansas City to San Antonio flight route?

Fly from Kansas City to San Antonio for the best Kansas City - San Antonio flight prices

What cabin class options are available on Kansas City to San Antonio flights?

There is only 1 cabin class available to choose from on Kansas City to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kansas City to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Kansas City to San Antonio.

How have Kansas City to San Antonio flight prices changed over time?

As of September 2026, prices for Kansas City to San Antonio flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to San Antonio (MCI to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to San Antonio

Best Price Found

$81

Fastest flight time

2h 00m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Kansas City in the past 72 hours is $81. The best round-trip flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $186.
The fastest flight from Kansas City to San Antonio takes 2h 00m
Direct flights go from Kansas City to San Antonio every day.
There is 1 airport in San Antonio. From Kansas City there are direct flights to San Antonio (SAT).
Search flight deals

Frequently asked questions about flying from Kansas City to San Antonio

  • How far is Kansas City to San Antonio by plane?

    Kansas City and San Antonio are 702.5 mi apart from one another. In terms of flight time, this usually takes a little over 2h 00m.

  • When did momondo last update prices for flights from Kansas City Airport to San Antonio Airport?

    Prices for flights from Kansas City Airport to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kansas City Airport to San Antonio Airport?

  • How old do you have to be to fly from Kansas City Airport to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kansas City to San Antonio?

  • What is the most popular airline from Kansas City to San Antonio?

Best airlines flying from Kansas City to San Antonio

Compare and see reviews for airlines that fly from Kansas City to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $149Free CancellationRating
5.6
2,579 reviews
Search Frontier flights
American AirlinesPriceFrom $240Free CancellationRating
7.0
12,075 reviews
Search American Airlines flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
10,226 reviews
Search United Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,196 reviews
Search Southwest flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 5 times per week, with 4,196 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $275 (round-trip), much lower than the average airfare cost of $378 for Southwest flights on this route.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to San Antonio?

Finding the right flight to San Antonio from Kansas City is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Kansas City to San Antonio with flexible booking policies on momondo?

All flight searches from Kansas City to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kansas City to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Kansas City.

I’m not ready to book a flight from Kansas City to San Antonio right now. Can momondo alert me if prices change?

Price alerts on flights to San Antonio from Kansas City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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