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Cheap flights from Kansas City to San Antonio from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to San Antonio departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Frontier Logo
8:28 pm - 7:30 pmMCI-SAT
23h 02m1 stop
Frontier Logo
8:25 pm - 5:19 pmSAT-MCI
20h 54m1 stop
$141Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Frontier Logo
8:09 pm - 7:00 pmMCI-SAT
22h 51m1 stop
Frontier Logo
7:56 pm - 7:50 pmSAT-MCI
23h 54m1 stop
$155Frontier
Find Deal
Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
10:31 pm - 12:29 pmMCI-SAT
13h 58m1 stop
Multiple Airlines Logo
10:13 am - 7:51 pmSAT-MCI
9h 38m1 stop
$164Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
8:09 pm - 7:00 pmMCI-SAT
22h 51m1 stop
Frontier Logo
5:46 pm - 11:51 amSAT-MCI
18h 05m1 stop
$173Frontier
Find Deal
Thu, Dec 11 - Sun, Dec 14
Spirit Airlines Logo
6:00 am - 3:59 pmMCI-SAT
9h 59m1 stop
Spirit Airlines Logo
2:13 pm - 11:15 pmSAT-MCI
9h 02m1 stop
$196Spirit Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
Multiple Airlines Logo
1:44 pm - 3:11 pmMCI-SAT
25h 27m2 stops
Multiple Airlines Logo
10:13 am - 7:51 pmSAT-MCI
9h 38m1 stop
$198Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
Spirit Airlines Logo
1:44 pm - 10:27 pmMCI-SAT
8h 43m1 stop
Spirit Airlines Logo
6:00 am - 12:39 pmSAT-MCI
6h 39m1 stop
$214Spirit Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Southwest Logo
1:45 pm - 3:50 pmMCI-SAT
2h 05mnonstop
Southwest Logo
4:10 pm - 6:05 pmSAT-MCI
1h 55mnonstop
$277Southwest
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Thu, Dec 18 - Mon, Dec 22
Southwest Logo
5:05 am - 11:30 amMCI-SAT
6h 25m1 stop
Southwest Logo
4:10 pm - 6:05 pmSAT-MCI
1h 55mnonstop
$282Southwest
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Thu, Dec 18 - Mon, Dec 22
American Airlines Logo
7:54 pm - 11:58 pmMCI-SAT
4h 04m1 stop
American Airlines Logo
6:00 am - 1:09 pmSAT-MCI
7h 09m1 stop
$289American Airlines
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Thu, Feb 12 - Sun, Feb 15

Spirit Airlines flights from Kansas City to San Antonio

Our best Spirit Airlines deals on Kansas City to San Antonio flight tickets
Spirit Airlines
Dec 2
MCI6:00 amKansas City
9h 59m
1 stop
SAT3:59 pmSan Antonio
Dec 5
SAT2:13 pmSan Antonio
9h 02m
1 stop
MCI11:15 pmKansas City
$196
Find similar
Spirit Airlines
Feb 19
MCI1:44 pmKansas City
8h 43m
1 stop
SAT10:27 pmSan Antonio
Feb 22
SAT6:00 amSan Antonio
6h 39m
1 stop
MCI12:39 pmKansas City
$214
Find similar
Spirit Airlines
Dec 9
MCI6:30 amKansas City
10h 35m
1 stop
SAT5:05 pmSan Antonio
Dec 12
SAT2:13 pmSan Antonio
9h 02m
1 stop
MCI11:15 pmKansas City
$220
Find similar

Frontier flights from Kansas City to San Antonio

Our best Frontier deals on Kansas City to San Antonio flight tickets
Frontier
Nov 13
MCI8:28 pmKansas City
23h 02m
1 stop
SAT7:30 pmSan Antonio
Nov 17
SAT8:25 pmSan Antonio
20h 54m
1 stop
MCI5:19 pmKansas City
$141
Find similar
Frontier
Dec 11
MCI8:09 pmKansas City
22h 51m
1 stop
SAT7:00 pmSan Antonio
Dec 14
SAT7:56 pmSan Antonio
23h 54m
1 stop
MCI7:50 pmKansas City
$155
Find similar
Frontier
Dec 11
MCI8:09 pmKansas City
22h 51m
1 stop
SAT7:00 pmSan Antonio
Dec 14
SAT5:46 pmSan Antonio
18h 05m
1 stop
MCI11:51 amKansas City
$173
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Kansas City to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 11/13

8:28 pm-7:30 pm

1 stop23h 02m

San Antonio

Mon 11/17

8:25 pm-5:19 pm

1 stop20h 54m

$141

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 12/11

8:09 pm-7:00 pm

1 stop22h 51m

San Antonio

Sun 12/14

7:56 pm-7:50 pm

1 stop23h 54m

$155

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 1/22

10:31 pm-12:29 pm

1 stop13h 58m

San Antonio

Sun 1/25

10:13 am-7:51 pm

1 stop9h 38m

$164

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 12/11

8:09 pm-7:00 pm

1 stop22h 51m

San Antonio

Sun 12/14

5:46 pm-11:51 am

1 stop18h 05m

$173

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 12/2

6:00 am-3:59 pm

1 stop9h 59m

San Antonio

Fri 12/5

2:13 pm-11:15 pm

1 stop9h 02m

$196

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 1/22

1:44 pm-3:11 pm

2 stops25h 27m

San Antonio

Sun 1/25

10:13 am-7:51 pm

1 stop9h 38m

$198

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 2/19

1:44 pm-10:27 pm

1 stop8h 43m

San Antonio

Sun 2/22

6:00 am-12:39 pm

1 stop6h 39m

$214

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 12/18

1:45 pm-3:50 pm

Nonstop2h 05m

San Antonio

Mon 12/22

4:10 pm-6:05 pm

Nonstop1h 55m

$277

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 12/18

5:05 am-11:30 am

1 stop6h 25m

San Antonio

Mon 12/22

4:10 pm-6:05 pm

Nonstop1h 55m

$282

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 2/12

7:54 pm-11:58 pm

1 stop4h 04m

San Antonio

Sun 2/15

6:00 am-1:09 pm

1 stop7h 09m

$289

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 cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Kansas City during January instead. Flights to San Antonio in January, while not as cheap as those in August, still average around $346.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $274. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $384.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Kansas City to San Antonio in the morning for as low as $274. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $382. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Kansas City for as low as $293 on momondo.

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.

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

As of October 2025, prices for Kansas City to San Antonio flights are approximately 27% 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

Fastest flight time

2h 05m

Direct flights

Every day

Airports in San Antonio

1 airport
The fastest flight from Kansas City to San Antonio takes 2h 05m
Direct flights go from Kansas City to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • 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 05m.

  • 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
Spirit AirlinesPriceFrom $209Free CancellationRating
6.3
8,112 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
SouthwestPriceFrom $224Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 4 times per week, with 4,235 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $224 (round-trip), much lower than the average airfare cost of $356 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
Boerne
Kerrville
Schertz
Pleasanton

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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