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Cheap flights from Kansas City to San Antonio from $67

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 2/18. 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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Cheap round-trip flights

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Multiple Airlines Logo
7:00 am - 1:11 pmMCI-SAT
30h 11m1 stop
Multiple Airlines Logo
8:24 pm - 7:46 pmSAT-MCI
23h 22m1 stop
$162Multiple Airlines
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Wed, Jan 21 - Thu, Jan 29
Multiple Airlines Logo
7:00 am - 9:04 pmMCI-SAT
14h 04m1 stop
Multiple Airlines Logo
8:24 pm - 7:46 pmSAT-MCI
23h 22m1 stop
$180Multiple Airlines
Find Deal
Fri, Jan 23 - Sun, Feb 1
Multiple Airlines Logo
11:26 am - 9:40 amMCI-SAT
22h 14m1 stop
Multiple Airlines Logo
8:24 pm - 7:46 pmSAT-MCI
23h 22m1 stop
$181Multiple Airlines
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Thu, Jan 22 - Sun, Feb 1
Multiple Airlines Logo
4:28 pm - 11:52 pmMCI-SAT
7h 24m1 stop
Multiple Airlines Logo
11:17 am - 7:42 pmSAT-MCI
8h 25m1 stop
$184Multiple Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
7:00 am - 1:11 pmMCI-SAT
30h 11m1 stop
Multiple Airlines Logo
9:41 pm - 11:33 pmSAT-MCI
25h 52m1 stop
$185Multiple Airlines
Find Deal
Wed, Jan 21 - Mon, Jan 26
Frontier Logo
8:27 pm - 10:22 amMCI-SAT
13h 55m1 stop
Frontier Logo
8:24 pm - 7:46 pmSAT-MCI
23h 22m1 stop
$198Frontier
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Sun, Jan 18 - Thu, Jan 29
Multiple Airlines Logo
7:00 am - 8:41 pmMCI-SAT
13h 41m1 stop
Multiple Airlines Logo
11:17 am - 7:41 pmSAT-MCI
8h 24m1 stop
$201Multiple Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
Multiple Airlines Logo
7:00 am - 9:04 pmMCI-SAT
14h 04m1 stop
Multiple Airlines Logo
9:41 pm - 11:33 pmSAT-MCI
25h 52m1 stop
$203Multiple Airlines
Find Deal
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
11:26 am - 9:40 amMCI-SAT
22h 14m1 stop
Multiple Airlines Logo
1:20 pm - 11:33 pmSAT-MCI
10h 13m1 stop
$205Multiple Airlines
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Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
11:06 am - 11:52 pmMCI-SAT
12h 46m2 stops
Multiple Airlines Logo
11:17 am - 7:42 pmSAT-MCI
8h 25m1 stop
$208Multiple Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16

Spirit Airlines flights from Kansas City to San Antonio

Our best Spirit Airlines deals on Kansas City to San Antonio flight tickets
Spirit Airlines
Jan 8
MCI4:28 pmKansas City
7h 24m
1 stop
SAT11:52 pmSan Antonio
Jan 11
SAT6:30 amSan Antonio
9h 03m
1 stop
MCI3:33 pmKansas City
$219
Find similar
Spirit Airlines
Jan 9
MCI4:28 pmKansas City
7h 24m
1 stop
SAT11:52 pmSan Antonio
Jan 12
SAT6:30 amSan Antonio
9h 03m
1 stop
MCI3:33 pmKansas City
$223
Find similar
Spirit Airlines
Jan 22
MCI11:26 amKansas City
22h 14m
1 stop
SAT9:40 amSan Antonio
Jan 28
SAT6:30 amSan Antonio
9h 03m
1 stop
MCI3:33 pmKansas City
$229
Find similar

Southwest flights from Kansas City to San Antonio

Our best Southwest deals on Kansas City to San Antonio flight tickets
Southwest
Dec 16
MCI3:30 pmKansas City
6h 25m
2 stops
SAT9:55 pmSan Antonio
Dec 17
SAT6:10 amSan Antonio
6h 45m
1 stop
MCI12:55 pmKansas City
$298
Find similar
Southwest
Dec 1
MCI2:55 pmKansas City
2h 05m
SAT5:00 pmSan Antonio
Dec 17
SAT12:45 pmSan Antonio
4h 30m
1 stop
MCI5:15 pmKansas City
$380
Find similar
Southwest
Nov 22
MCI7:35 pmKansas City
4h 20m
1 stop
SAT11:55 pmSan Antonio
Nov 24
SAT10:45 amSan Antonio
1h 55m
MCI12:40 pmKansas City
$537
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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 November 20, 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

Wed 1/21

7:00 am-1:11 pm

1 stop30h 11m

San Antonio

Thu 1/29

8:24 pm-7:46 pm

1 stop23h 22m

$162

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 1/23

7:00 am-9:04 pm

1 stop14h 04m

San Antonio

Sun 2/1

8:24 pm-7:46 pm

1 stop23h 22m

$180

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 1/22

11:26 am-9:40 am

1 stop22h 14m

San Antonio

Sun 2/1

8:24 pm-7:46 pm

1 stop23h 22m

$181

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 1/12

4:28 pm-11:52 pm

1 stop7h 24m

San Antonio

Fri 1/16

11:17 am-7:42 pm

1 stop8h 25m

$184

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 1/21

7:00 am-1:11 pm

1 stop30h 11m

San Antonio

Mon 1/26

9:41 pm-11:33 pm

1 stop25h 52m

$185

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sun 1/18

8:27 pm-10:22 am

1 stop13h 55m

San Antonio

Thu 1/29

8:24 pm-7:46 pm

1 stop23h 22m

$198

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 1/16

7:00 am-8:41 pm

1 stop13h 41m

San Antonio

Mon 1/19

11:17 am-7:41 pm

1 stop8h 24m

$201

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 1/23

7:00 am-9:04 pm

1 stop14h 04m

San Antonio

Mon 1/26

9:41 pm-11:33 pm

1 stop25h 52m

$203

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 1/22

11:26 am-9:40 am

1 stop22h 14m

San Antonio

Mon 1/26

1:20 pm-11:33 pm

1 stop10h 13m

$205

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 1/12

11:06 am-11:52 pm

2 stops12h 46m

San Antonio

Fri 1/16

11:17 am-7:42 pm

1 stop8h 25m

$208

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 October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $326.

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 $359 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 November 2025, prices for Kansas City to San Antonio flights are approximately 50% 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

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

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 on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near San Antonio: San Antonio (SAT)
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  • 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 5h 38m.

  • 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
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $224Free CancellationRating
8.0
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 2 times per week, with 4,249 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 $359 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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