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Cheap flights from Kansas City to San Antonio from $99

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
10:30 pm - 11:44 amMCI  Kansas City-SAT San Antonio
13h 14m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:39 pm - 9:45 pmSAT  San Antonio-MCI Kansas City
9h 06m1 stop Las Vegas Harry Reid Intl
$216Frontier
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
9:59 am - 4:30 pmMCI  Kansas City-SAT San Antonio
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 am - 10:06 amSAT  San Antonio-MCI Kansas City
4h 36m1 stop Houston George Bush Intcntl
$217United Airlines
Sat, Oct 24 - Wed, Oct 28
American Airlines Logo
1:03 pm - 7:50 pmMCI  Kansas City-SAT San Antonio
6h 47m1 stop Dallas/Fort Worth
American Airlines Logo
2:03 pm - 6:40 pmSAT  San Antonio-MCI Kansas City
4h 37m1 stop Dallas/Fort Worth
$217American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
8:10 am - 3:12 pmMCI  Kansas City-SAT San Antonio
7h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 11:27 amSAT  San Antonio-MCI Kansas City
5h 27m1 stop Minneapolis St Paul
$217Delta
Wed, Sep 23 - Wed, Sep 30
Delta Logo
3:59 pm - 9:22 pmMCI  Kansas City-SAT San Antonio
5h 23m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 11:27 amSAT  San Antonio-MCI Kansas City
5h 27m1 stop Minneapolis St Paul
$217Delta
Wed, Sep 23 - Wed, Sep 30
Frontier Logo
10:30 pm - 11:44 amMCI  Kansas City-SAT San Antonio
13h 14m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:39 pm - 9:45 pmSAT  San Antonio-MCI Kansas City
9h 06m1 stop Las Vegas Harry Reid Intl
$222Frontier
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
3:14 pm - 10:51 pmMCI  Kansas City-SAT San Antonio
7h 37m2 stops Chicago O'Hare Intl 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
$222United Airlines
Sat, Sep 26 - Sat, Oct 3
Southwest Logo
5:35 am - 9:20 amMCI  Kansas City-SAT San Antonio
3h 45m1 stop Houston Hobby
Southwest Logo
1:05 pm - 3:00 pmSAT  San Antonio-MCI Kansas City
1h 55mnonstop
$227Southwest
Sat, Oct 24 - Wed, Oct 28
Southwest Logo
5:25 am - 12:10 pmMCI  Kansas City-SAT San Antonio
6h 45m1 stop Las Vegas Harry Reid Intl
Southwest Logo
11:40 am - 1:35 pmSAT  San Antonio-MCI Kansas City
1h 55mnonstop
$227Southwest
Sat, Oct 3 - Thu, Oct 8
American Airlines Logo
5:28 am - 10:01 amMCI  Kansas City-SAT San Antonio
4h 33m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 12:18 pmSAT  San Antonio-MCI Kansas City
6h 18m1 stop Dallas/Fort Worth
$237American Airlines
Fri, Sep 25 - Sat, Sep 26

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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
Oct 3
MCI5:25 amKansas City
6h 45m
1 stop
SAT12:10 pmSan Antonio
Oct 8
SAT11:40 amSan Antonio
1h 55m
MCI1:35 pmKansas City
$227
Southwest
Sep 25
MCI11:40 amKansas City
2h 00m
SAT1:40 pmSan Antonio
Sep 28
SAT12:05 pmSan Antonio
1h 55m
MCI2:00 pmKansas City
$237
Southwest
Sep 25
MCI11:40 amKansas City
2h 00m
SAT1:40 pmSan Antonio
Sep 28
SAT6:50 pmSan Antonio
4h 10m
1 stop
MCI11:00 pmKansas City
$247

United Airlines flights from Kansas City to San Antonio

Our best United Airlines deals on Kansas City to San Antonio flight tickets
United Airlines
Oct 3
MCI3:14 pmKansas City
7h 37m
2 stops
SAT10:51 pmSan Antonio
Oct 8
SAT5:30 amSan Antonio
4h 36m
1 stop
MCI10:06 amKansas City
$242
United Airlines
Oct 24
MCI5:05 pmKansas City
5h 45m
1 stop
SAT10:50 pmSan Antonio
Oct 28
SAT5:30 amSan Antonio
6h 58m
2 stops
MCI12:28 pmKansas City
$243
United Airlines
Nov 5
MCI6:24 pmKansas City
4h 27m
1 stop
SAT10:51 pmSan Antonio
Nov 9
SAT4:19 pmSan Antonio
7h 33m
2 stops
MCI11:52 pmKansas City
$262

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

Return

Price

Cheapest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 9/24

10:30 pm-11:44 am

1 stop13h 14m

San Antonio

Mon 9/28

12:39 pm-9:45 pm

1 stop9h 06m

$216

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 10/24

9:59 am-4:30 pm

1 stop6h 31m

San Antonio

Wed 10/28

5:30 am-10:06 am

1 stop4h 36m

$217

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/26

1:03 pm-7:50 pm

1 stop6h 47m

San Antonio

Sat 10/3

2:03 pm-6:40 pm

1 stop4h 37m

$217

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Wed 9/23

8:10 am-3:12 pm

1 stop7h 02m

San Antonio

Wed 9/30

6:00 am-11:27 am

1 stop5h 27m

$217

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Wed 9/23

3:59 pm-9:22 pm

1 stop5h 23m

San Antonio

Wed 9/30

6:00 am-11:27 am

1 stop5h 27m

$217

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 9/24

10:30 pm-11:44 am

1 stop13h 14m

San Antonio

Mon 9/28

12:39 pm-9:45 pm

1 stop9h 06m

$222

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/26

3:14 pm-10:51 pm

2 stops7h 37m

San Antonio

Sat 10/3

5:30 am-10:06 am

1 stop4h 36m

$222
Quickest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 10/24

5:35 am-9:20 am

1 stop3h 45m

San Antonio

Wed 10/28

1:05 pm-3:00 pm

Nonstop1h 55m

$227

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 10/3

5:25 am-12:10 pm

1 stop6h 45m

San Antonio

Thu 10/8

11:40 am-1:35 pm

Nonstop1h 55m

$227

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Fri 9/25

5:28 am-10:01 am

1 stop4h 33m

San Antonio

Sat 9/26

6:00 am-12:18 pm

1 stop6h 18m

$237

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 $265 to $388.
The lowest price recently found on this route was $216.

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 October instead. Flights to San Antonio in October, while not as cheap as those in February, still average around $334.

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 Thursday when prices can be found for as low as $322. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $431.

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 afternoon. momondo users have found flights departing from Kansas City to San Antonio in the afternoon for as low as $340. 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 at noon, with an average ticket price of $400. Departure times at noon 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

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 August 2026, prices for Kansas City to San Antonio flights are approximately 247% 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

$99

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 $99. The best round-trip flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $216.
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
2,635 reviews
Search Frontier flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
10,148 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,199 reviews
Search Southwest flights
American AirlinesPriceFrom $266Free CancellationRating
7.1
12,021 reviews
Search American Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 4 times per week, with 4,195 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $265 (round-trip), much lower than the average airfare cost of $369 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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