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Cheap flights from Kansas City to San Antonio from $122

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 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
2:17 pm - 11:21 am
MCI
-
SAT
21h 04m
1 stop
Frontier Logo
12:16 pm - 1:22 pm
SAT
-
MCI
25h 06m
1 stop
$258Frontier
Tue, Oct 13 - Tue, Oct 20
Frontier Logo
4:32 pm - 8:37 pm
MCI
-
SAT
28h 05m
1 stop
Frontier Logo
7:49 pm - 1:00 pm
SAT
-
MCI
17h 11m
1 stop
$260Frontier
Thu, Aug 6 - Mon, Aug 10
Southwest Logo
2:10 pm - 4:15 pm
MCI
-
SAT
2h 05mnonstop
Southwest Logo
5:55 am - 10:45 am
SAT
-
MCI
4h 50m
1 stop
$266Southwest
Thu, Nov 5 - Sat, Nov 7
Frontier Logo
1:45 pm - 6:44 pm
MCI
-
SAT
4h 59m
1 stop
Frontier Logo
7:39 pm - 1:00 pm
SAT
-
MCI
17h 21m
1 stop
$268Frontier
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
9:00 am - 1:45 pm
MCI
-
SAT
4h 45m
1 stop
Southwest Logo
11:20 am - 3:05 pm
SAT
-
MCI
3h 45m
1 stop
$271Southwest
Thu, Nov 5 - Sat, Nov 7
Frontier Logo
4:32 pm - 8:37 pm
MCI
-
SAT
28h 05m
1 stop
Frontier Logo
9:32 pm - 3:47 pm
SAT
-
MCI
18h 15m
1 stop
$272Frontier
Thu, Aug 13 - Sun, Aug 16
Frontier Logo
4:32 pm - 8:37 pm
MCI
-
SAT
28h 05m
1 stop
Frontier Logo
7:49 pm - 1:00 pm
SAT
-
MCI
17h 11m
1 stop
$273Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
4:32 pm - 8:37 pm
MCI
-
SAT
28h 05m
1 stop
Frontier Logo
9:32 pm - 3:47 pm
SAT
-
MCI
18h 15m
1 stop
$276Frontier
Thu, Aug 13 - Sun, Aug 16
Frontier Logo
1:45 pm - 6:44 pm
MCI
-
SAT
4h 59m
1 stop
Frontier Logo
7:39 pm - 1:00 pm
SAT
-
MCI
17h 21m
1 stop
$278Frontier
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
11:40 am - 1:40 pm
MCI
-
SAT
2h 00mnonstop
Southwest Logo
12:05 pm - 2:00 pm
SAT
-
MCI
1h 55mnonstop
$279Southwest
Thu, Aug 6 - Mon, Aug 10

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Frontier flights from Kansas City to San Antonio

Our best Frontier deals on Kansas City to San Antonio flight tickets
Frontier
Oct 13
MCI2:17 pmKansas City
21h 04m
1 stop
SAT11:21 amSan Antonio
Oct 20
SAT12:16 pmSan Antonio
25h 06m
1 stop
MCI1:22 pmKansas City
$258
Frontier
Aug 6
MCI4:32 pmKansas City
28h 05m
1 stop
SAT8:37 pmSan Antonio
Aug 10
SAT7:49 pmSan Antonio
17h 11m
1 stop
MCI1:00 pmKansas City
$260
Frontier
Jul 28
MCI1:45 pmKansas City
4h 59m
1 stop
SAT6:44 pmSan Antonio
Aug 4
SAT7:39 pmSan Antonio
17h 21m
1 stop
MCI1:00 pmKansas City
$268

Southwest flights from Kansas City to San Antonio

Our best Southwest deals on Kansas City to San Antonio flight tickets
Southwest
Nov 5
MCI2:10 pmKansas City
2h 05m
SAT4:15 pmSan Antonio
Nov 7
SAT5:55 amSan Antonio
4h 50m
1 stop
MCI10:45 amKansas City
$266
Southwest
Nov 5
MCI9:00 amKansas City
4h 45m
1 stop
SAT1:45 pmSan Antonio
Nov 7
SAT11:20 amSan Antonio
3h 45m
1 stop
MCI3:05 pmKansas City
$271
Southwest
Aug 6
MCI11:40 amKansas City
2h 00m
SAT1:40 pmSan Antonio
Aug 10
SAT12:05 pmSan Antonio
1h 55m
MCI2:00 pmKansas City
$279

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 July 7, 2026.
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

Cheapest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 10/13

2:17 pm-11:21 am

1 stop21h 04m

San Antonio

Tue 10/20

12:16 pm-1:22 pm

1 stop25h 06m

$258

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/6

4:32 pm-8:37 pm

1 stop28h 05m

San Antonio

Mon 8/10

7:49 pm-1:00 pm

1 stop17h 11m

$260

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 11/5

2:10 pm-4:15 pm

Nonstop2h 05m

San Antonio

Sat 11/7

5:55 am-10:45 am

1 stop4h 50m

$266

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 7/28

1:45 pm-6:44 pm

1 stop4h 59m

San Antonio

Tue 8/4

7:39 pm-1:00 pm

1 stop17h 21m

$268

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 11/5

9:00 am-1:45 pm

1 stop4h 45m

San Antonio

Sat 11/7

11:20 am-3:05 pm

1 stop3h 45m

$271

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/13

4:32 pm-8:37 pm

1 stop28h 05m

San Antonio

Sun 8/16

9:32 pm-3:47 pm

1 stop18h 15m

$272

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/6

4:32 pm-8:37 pm

1 stop28h 05m

San Antonio

Mon 8/10

7:49 pm-1:00 pm

1 stop17h 11m

$273

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/13

4:32 pm-8:37 pm

1 stop28h 05m

San Antonio

Sun 8/16

9:32 pm-3:47 pm

1 stop18h 15m

$276

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 7/28

1:45 pm-6:44 pm

1 stop4h 59m

San Antonio

Tue 8/4

7:39 pm-1:00 pm

1 stop17h 21m

$278
Quickest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/6

11:40 am-1:40 pm

Nonstop2h 00m

San Antonio

Mon 8/10

12:05 pm-2:00 pm

Nonstop1h 55m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $265. 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 $436.

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 $265. 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 $394. 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

How far in advance should I book a flight from Kansas City 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 $366 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 $255 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.

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 July 2026, prices for Kansas City to San Antonio flights are approximately 93% 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

$200

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 $200. The best round-trip flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $309.
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 $188Free CancellationRating
5.6
2,835 reviews
Search Frontier flights
SouthwestPriceFrom $207Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,783 reviews
Search American Airlines flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
9,945 reviews
Search United Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 5 times per week, with 4,250 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $207 (round-trip), much lower than the average airfare cost of $363 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.

An easier way to manage your San Antonio trip

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