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Cheap flights from Kansas City to San Antonio from $80

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 10/11. 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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Find the cheapest flights from Kansas City to San Antonio

Cheap round-trip flights

Frontier Logo
3:01 pm - 2:27 pmMCI-SAT
23h 26m1 stop
Frontier Logo
8:20 pm - 1:48 pmSAT-MCI
17h 28m1 stop
$153Frontier
Find Deal
Fri, Sep 26 - Sun, Sep 28
Logo
8:38 pm - 4:37 pmMCI-SAT
19h 59m1 stop
Logo
6:00 am - 2:00 pmSAT-MCI
8h 00m1 stop
$191
Find Deal
Fri, Oct 24 - Wed, Oct 29
Frontier Logo
3:01 pm - 2:27 pmMCI-SAT
23h 26m1 stop
Frontier Logo
9:55 am - 1:48 pmSAT-MCI
27h 53m1 stop
$194Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Spirit Airlines Logo
6:36 pm - 4:47 amMCI-SAT
10h 11m1 stop
Spirit Airlines Logo
6:00 am - 5:31 pmSAT-MCI
11h 31m1 stop
$223Spirit Airlines
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Mon, Oct 27 - Thu, Oct 30
Southwest Logo
12:10 pm - 2:10 pmMCI-SAT
2h 00mnonstop
Southwest Logo
12:35 pm - 2:30 pmSAT-MCI
1h 55mnonstop
$237Southwest
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Tue, Sep 23 - Tue, Sep 30
Delta Logo
6:00 pm - 11:59 pmMCI-SAT
5h 59m1 stop
Delta Logo
6:24 am - 11:27 amSAT-MCI
5h 03m1 stop
$240Delta
Find Deal
Wed, Sep 24 - Sat, Sep 27
Spirit Airlines Logo
2:55 pm - 4:47 amMCI-SAT
13h 52m1 stop
Spirit Airlines Logo
6:00 am - 2:00 pmSAT-MCI
8h 00m1 stop
$241Spirit Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
Southwest Logo
12:10 pm - 2:10 pmMCI-SAT
2h 00mnonstop
Southwest Logo
3:45 pm - 10:25 pmSAT-MCI
6h 40m1 stop
$242Southwest
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
4:06 pm - 11:59 pmMCI-SAT
7h 53m1 stop
Delta Logo
6:11 pm - 11:44 pmSAT-MCI
5h 33m1 stop
$247Delta
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Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
6:26 pm - 11:00 pmMCI-SAT
4h 34m1 stop
American Airlines Logo
6:49 pm - 11:07 pmSAT-MCI
4h 18m1 stop
$274American Airlines
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Fri, Sep 19 - Mon, Sep 22

Delta flights from Kansas City to San Antonio

Our best Delta deals on Kansas City to San Antonio flight tickets
Delta
Sep 24
MCI6:00 pmKansas City
5h 59m
1 stop
SAT11:59 pmSan Antonio
Sep 27
SAT6:24 amSan Antonio
5h 03m
1 stop
MCI11:27 amKansas City
$240
Find similar
Delta
Sep 23
MCI4:06 pmKansas City
7h 53m
1 stop
SAT11:59 pmSan Antonio
Sep 30
SAT6:11 pmSan Antonio
5h 33m
1 stop
MCI11:44 pmKansas City
$247
Find similar
Delta
Sep 24
MCI6:52 amKansas City
7h 31m
1 stop
SAT2:23 pmSan Antonio
Sep 27
SAT5:45 pmSan Antonio
5h 59m
1 stop
MCI11:44 pmKansas City
$257
Find similar

Southwest flights from Kansas City to San Antonio

Our best Southwest deals on Kansas City to San Antonio flight tickets
Southwest
Sep 23
MCI12:10 pmKansas City
2h 00m
SAT2:10 pmSan Antonio
Sep 30
SAT12:35 pmSan Antonio
1h 55m
MCI2:30 pmKansas City
$237
Find similar
Southwest
Sep 23
MCI12:10 pmKansas City
2h 00m
SAT2:10 pmSan Antonio
Sep 30
SAT3:45 pmSan Antonio
6h 40m
1 stop
MCI10:25 pmKansas City
$242
Find similar
Southwest
Sep 19
MCI11:50 amKansas City
1h 55m
SAT1:45 pmSan Antonio
Sep 22
SAT5:35 amSan Antonio
4h 00m
1 stop
MCI9:35 amKansas City
$269
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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 August 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

Fri 9/26

3:01 pm-2:27 pm

1 stop23h 26m

San Antonio

Sun 9/28

8:20 pm-1:48 pm

1 stop17h 28m

$153

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 10/24

8:38 pm-4:37 pm

1 stop19h 59m

San Antonio

Wed 10/29

6:00 am-2:00 pm

1 stop8h 00m

$191

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 9/12

3:01 pm-2:27 pm

1 stop23h 26m

San Antonio

Sun 9/14

9:55 am-1:48 pm

1 stop27h 53m

$194

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 10/27

6:36 pm-4:47 am

1 stop10h 11m

San Antonio

Thu 10/30

6:00 am-5:31 pm

1 stop11h 31m

$223

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 9/23

12:10 pm-2:10 pm

Nonstop2h 00m

San Antonio

Tue 9/30

12:35 pm-2:30 pm

Nonstop1h 55m

$237

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/24

6:00 pm-11:59 pm

1 stop5h 59m

San Antonio

Sat 9/27

6:24 am-11:27 am

1 stop5h 03m

$240

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 10/21

2:55 pm-4:47 am

1 stop13h 52m

San Antonio

Tue 10/28

6:00 am-2:00 pm

1 stop8h 00m

$241

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 9/23

12:10 pm-2:10 pm

Nonstop2h 00m

San Antonio

Tue 9/30

3:45 pm-10:25 pm

1 stop6h 40m

$242

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 9/23

4:06 pm-11:59 pm

1 stop7h 53m

San Antonio

Tue 9/30

6:11 pm-11:44 pm

1 stop5h 33m

$247

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 9/19

6:26 pm-11:00 pm

1 stop4h 34m

San Antonio

Mon 9/22

6:49 pm-11:07 pm

1 stop4h 18m

$274

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 $344.

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 $294. 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 $277. 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 $358 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 $270 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 August 2025, prices for Kansas City to San Antonio flights are approximately 47% 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

$257

Fastest flight time

1h 55m

Direct flights

Every day

Airports in San Antonio

1 airport
The best flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $257
The fastest flight from Kansas City to San Antonio takes 1h 55m
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 1h 55m.

  • 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
8,028 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $224Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
American AirlinesPriceFrom $264Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 8 times per week, with 4,242 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 $360 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
Boerne
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.

An easier way to manage your San Antonio trip

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