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Cheap flights from Kansas City to San Antonio from $106

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
8:32 pm - 6:01 pmMCI  Kansas City-SAT San Antonio
21h 29m1 stop Denver Intl
Frontier Logo
6:47 pm - 7:56 pmSAT  San Antonio-MCI Kansas City
25h 09m1 stop Denver Intl
$222Frontier
Mon, Dec 14 - Wed, Dec 16
Frontier Logo
8:29 pm - 7:56 pmMCI  Kansas City-SAT San Antonio
23h 27m1 stop Denver Intl
Frontier Logo
6:47 pm - 7:35 pmSAT  San Antonio-MCI Kansas City
24h 48m1 stop Denver Intl
$222Frontier
Thu, Dec 3 - Sat, Dec 5
Southwest Logo
3:55 pm - 6:00 pmMCI  Kansas City-SAT San Antonio
2h 05mnonstop
Southwest Logo
8:40 pm - 12:45 amSAT  San Antonio-MCI Kansas City
4h 05m1 stop Houston Hobby
$266Southwest
Sat, Nov 21 - Sat, Nov 21
Southwest Logo
12:35 pm - 4:45 pmMCI  Kansas City-SAT San Antonio
4h 10m1 stop Dallas Love Field
Southwest Logo
6:40 pm - 12:40 amSAT  San Antonio-MCI Kansas City
6h 00m1 stop Denver Intl
$271Southwest
Sat, Nov 21 - Sat, Nov 21
American Airlines Logo
5:20 am - 10:44 amMCI  Kansas City-SAT San Antonio
5h 24m1 stop Dallas/Fort Worth
American Airlines Logo
12:58 pm - 7:40 pmSAT  San Antonio-MCI Kansas City
6h 42m1 stop Dallas/Fort Worth
$271American Airlines
Fri, Nov 27 - Tue, Dec 1
Delta Logo
7:10 am - 3:31 pmMCI  Kansas City-SAT San Antonio
8h 21m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:16 am - 11:05 amSAT  San Antonio-MCI Kansas City
5h 49m1 stop Atlanta Hartsfield-Jackson
$271Delta
Thu, Dec 10 - Thu, Dec 17
Delta Logo
6:00 am - 11:58 amMCI  Kansas City-SAT San Antonio
5h 58m1 stop Minneapolis St Paul
Delta Logo
6:28 pm - 11:28 pmSAT  San Antonio-MCI Kansas City
5h 00m1 stop Minneapolis St Paul
$271Delta
Sat, Dec 5 - Fri, Dec 11
United Airlines Logo
1:36 pm - 9:26 pmMCI  Kansas City-SAT San Antonio
7h 50m2 stops Denver Intl 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
$280United Airlines
Wed, Dec 16 - Mon, Dec 21
United Airlines Logo
6:28 am - 10:46 amMCI  Kansas City-SAT San Antonio
4h 18m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 10:06 amSAT  San Antonio-MCI Kansas City
4h 36m1 stop Houston George Bush Intcntl
$296United Airlines
Wed, Nov 4 - Thu, Nov 5
American Airlines Logo
5:24 pm - 10:55 pmMCI  Kansas City-SAT San Antonio
5h 31m1 stop Dallas/Fort Worth
American Airlines Logo
7:06 pm - 11:27 pmSAT  San Antonio-MCI Kansas City
4h 21m1 stop Dallas/Fort Worth
$339American Airlines
Thu, Feb 25 - Sun, Feb 28

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Southwest flights from Kansas City to San Antonio

Our best Southwest deals on Kansas City to San Antonio flight tickets
Southwest
Dec 16
MCI7:00 amKansas City
6h 15m
1 stop
SAT1:15 pmSan Antonio
Dec 21
SAT8:45 pmSan Antonio
3h 50m
1 stop
MCI12:35 amKansas City
$275
Southwest
Dec 16
MCI7:00 amKansas City
6h 15m
1 stop
SAT1:15 pmSan Antonio
Dec 21
SAT8:45 pmSan Antonio
3h 55m
1 stop
MCI12:40 amKansas City
$290
Southwest
Dec 29
MCI6:05 pmKansas City
2h 00m
SAT8:05 pmSan Antonio
Jan 4
SAT11:25 amSan Antonio
1h 55m
MCI1:20 pmKansas City
$329

United Airlines flights from Kansas City to San Antonio

Our best United Airlines deals on Kansas City to San Antonio flight tickets
United Airlines
Nov 6
MCI8:30 amKansas City
4h 46m
1 stop
SAT1:16 pmSan Antonio
Nov 9
SAT4:19 pmSan Antonio
7h 33m
2 stops
MCI11:52 pmKansas City
$280
United Airlines
Nov 4
MCI6:28 amKansas City
4h 18m
1 stop
SAT10:46 amSan Antonio
Nov 5
SAT5:30 amSan Antonio
4h 36m
1 stop
MCI10:06 amKansas City
$296
United Airlines
Dec 3
MCI12:42 pmKansas City
4h 55m
1 stop
SAT5:37 pmSan Antonio
Dec 5
SAT5:15 amSan Antonio
7h 15m
2 stops
MCI12:30 pmKansas City
$305

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

Mon 12/14

8:32 pm-6:01 pm

1 stop21h 29m

San Antonio

Wed 12/16

6:47 pm-7:56 pm

1 stop25h 09m

$222

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 12/3

8:29 pm-7:56 pm

1 stop23h 27m

San Antonio

Sat 12/5

6:47 pm-7:35 pm

1 stop24h 48m

$222
Quickest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 11/21

3:55 pm-6:00 pm

Nonstop2h 05m

San Antonio

Sat 11/21

8:40 pm-12:45 am

1 stop4h 05m

$266

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 11/21

12:35 pm-4:45 pm

1 stop4h 10m

San Antonio

Sat 11/21

6:40 pm-12:40 am

1 stop6h 00m

$271

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Fri 11/27

5:20 am-10:44 am

1 stop5h 24m

San Antonio

Tue 12/1

12:58 pm-7:40 pm

1 stop6h 42m

$271

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 12/10

7:10 am-3:31 pm

1 stop8h 21m

San Antonio

Thu 12/17

5:16 am-11:05 am

1 stop5h 49m

$271

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 12/5

6:00 am-11:58 am

1 stop5h 58m

San Antonio

Fri 12/11

6:28 pm-11:28 pm

1 stop5h 00m

$271

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Wed 12/16

1:36 pm-9:26 pm

2 stops7h 50m

San Antonio

Mon 12/21

5:58 pm-10:15 pm

1 stop4h 17m

$280

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Wed 11/4

6:28 am-10:46 am

1 stop4h 18m

San Antonio

Thu 11/5

5:30 am-10:06 am

1 stop4h 36m

$296

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 2/25

5:24 pm-10:55 pm

1 stop5h 31m

San Antonio

Sun 2/28

7:06 pm-11:27 pm

1 stop4h 21m

$339

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 $365 to $491.
The lowest price recently found on this route was $222.

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 October 2026, prices for Kansas City to San Antonio flights are approximately 28% cheaper 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

$106

Fastest flight time

2h 00m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Kansas City in the past 72 hours is $106. The best round-trip flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $222.
The fastest flight from Kansas City to San Antonio takes 2h 00m
Direct flights go from Kansas City to San Antonio on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.
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
5.5
2,525 reviews
Search Frontier flights
American AirlinesPriceFrom $240Free CancellationRating
7.0
12,181 reviews
Search American Airlines flights
United AirlinesPriceFrom $241Free CancellationRating
7.3
10,390 reviews
Search United Airlines flights
SouthwestPriceFrom $275Free CancellationRating
7.9
4,210 reviews
Search Southwest flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 3 times per week, with 4,210 momondo users rating the airline 7.9/10. 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 $384 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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