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Cheap flights from Kansas City to San Antonio from $103

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 11/6. 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
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
$230Frontier
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
11:40 am - 1:40 pmMCI  Kansas City-SAT San Antonio
2h 00mnonstop
Southwest Logo
12:05 pm - 2:00 pmSAT  San Antonio-MCI Kansas City
1h 55mnonstop
$235Southwest
Fri, Sep 11 - Mon, Sep 14
Frontier Logo
8:32 pm - 7:25 pmMCI  Kansas City-SAT San Antonio
22h 53m1 stop Denver Intl
Frontier Logo
8:20 pm - 7:37 pmSAT  San Antonio-MCI Kansas City
23h 17m1 stop Denver Intl
$237Frontier
Fri, Sep 11 - Mon, Sep 14
Southwest Logo
5:30 pm - 11:20 pmMCI  Kansas City-SAT San Antonio
5h 50m1 stop Chicago Midway
Southwest Logo
12:05 pm - 2:00 pmSAT  San Antonio-MCI Kansas City
1h 55mnonstop
$245Southwest
Fri, Sep 11 - Mon, Sep 14
United Airlines Logo
3:14 pm - 10:39 pmMCI  Kansas City-SAT San Antonio
7h 25m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:59 pm - 10:35 pmSAT  San Antonio-MCI Kansas City
4h 36m1 stop Houston George Bush Intcntl
$290United Airlines
Sat, Sep 5 - Fri, Sep 11
Delta Logo
5:00 pm - 10:43 pmMCI  Kansas City-SAT San Antonio
5h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 pm - 11:51 pmSAT  San Antonio-MCI Kansas City
5h 41m1 stop Atlanta Hartsfield-Jackson
$307Delta
Sat, Sep 5 - Thu, Sep 10
Delta Logo
4:04 pm - 9:29 pmMCI  Kansas City-SAT San Antonio
5h 25m1 stop Minneapolis St Paul
Delta Logo
4:21 pm - 11:51 pmSAT  San Antonio-MCI Kansas City
7h 30m1 stop Atlanta Hartsfield-Jackson
$307Delta
Sat, Sep 5 - Tue, Sep 8
United Airlines Logo
1:08 pm - 9:16 pmMCI  Kansas City-SAT San Antonio
8h 08m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:59 pm - 10:35 pmSAT  San Antonio-MCI Kansas City
4h 36m1 stop Houston George Bush Intcntl
$312United Airlines
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
6:20 am - 10:09 amMCI  Kansas City-SAT San Antonio
3h 49m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 10:40 amSAT  San Antonio-MCI Kansas City
5h 40m1 stop Dallas/Fort Worth
$326American Airlines
Sun, Sep 6 - Sun, Sep 13
American Airlines Logo
9:49 am - 2:53 pmMCI  Kansas City-SAT San Antonio
5h 04m1 stop Dallas/Fort Worth
American Airlines Logo
1:43 pm - 6:34 pmSAT  San Antonio-MCI Kansas City
4h 51m1 stop Dallas/Fort Worth
$329American Airlines
Sat, Aug 29 - Mon, Aug 31

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Delta flights from Kansas City to San Antonio

Our best Delta deals on Kansas City to San Antonio flight tickets
Delta
Sep 5
MCI4:04 pmKansas City
5h 25m
1 stop
SAT9:29 pmSan Antonio
Sep 8
SAT4:21 pmSan Antonio
7h 30m
1 stop
MCI11:51 pmKansas City
$307
Delta
Aug 20
MCI4:04 pmKansas City
5h 25m
1 stop
SAT9:29 pmSan Antonio
Aug 26
SAT5:20 amSan Antonio
5h 57m
1 stop
MCI11:17 amKansas City
$408
Delta
Aug 13
MCI4:04 pmKansas City
5h 25m
1 stop
SAT9:29 pmSan Antonio
Aug 16
SAT6:04 pmSan Antonio
5h 23m
1 stop
MCI11:27 pmKansas City
$777

United Airlines flights from Kansas City to San Antonio

Our best United Airlines deals on Kansas City to San Antonio flight tickets
United Airlines
Sep 5
MCI3:14 pmKansas City
7h 25m
2 stops
SAT10:39 pmSan Antonio
Sep 11
SAT5:59 pmSan Antonio
4h 36m
1 stop
MCI10:35 pmKansas City
$290
United Airlines
Sep 5
MCI1:08 pmKansas City
8h 08m
2 stops
SAT9:16 pmSan Antonio
Sep 9
SAT5:59 pmSan Antonio
4h 36m
1 stop
MCI10:35 pmKansas City
$312
United Airlines
Aug 23
MCI1:43 pmKansas City
8h 56m
2 stops
SAT10:39 pmSan Antonio
Aug 28
SAT2:15 pmSan Antonio
9h 15m
2 stops
MCI11:30 pmKansas City
$519

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 10, 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 Kansas City - SAT San Antonio

MCISAT

Kansas City

Thu 9/10

10:30 pm-11:44 am

1 stop13h 14m

San Antonio

Mon 9/14

12:39 pm-9:45 pm

1 stop9h 06m

$230
Quickest round-trip

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Fri 9/11

11:40 am-1:40 pm

Nonstop2h 00m

San Antonio

Mon 9/14

12:05 pm-2:00 pm

Nonstop1h 55m

$235

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Fri 9/11

8:32 pm-7:25 pm

1 stop22h 53m

San Antonio

Mon 9/14

8:20 pm-7:37 pm

1 stop23h 17m

$237

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Fri 9/11

5:30 pm-11:20 pm

1 stop5h 50m

San Antonio

Mon 9/14

12:05 pm-2:00 pm

Nonstop1h 55m

$245

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/5

3:14 pm-10:39 pm

2 stops7h 25m

San Antonio

Fri 9/11

5:59 pm-10:35 pm

1 stop4h 36m

$290

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/5

5:00 pm-10:43 pm

1 stop5h 43m

San Antonio

Thu 9/10

6:10 pm-11:51 pm

1 stop5h 41m

$307

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/5

4:04 pm-9:29 pm

1 stop5h 25m

San Antonio

Tue 9/8

4:21 pm-11:51 pm

1 stop7h 30m

$307

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 9/5

1:08 pm-9:16 pm

2 stops8h 08m

San Antonio

Wed 9/9

5:59 pm-10:35 pm

1 stop4h 36m

$312

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sun 9/6

6:20 am-10:09 am

1 stop3h 49m

San Antonio

Sun 9/13

5:00 am-10:40 am

1 stop5h 40m

$326

Kansas CitySan Antonio

MCI Kansas City - SAT San Antonio

MCISAT

Kansas City

Sat 8/29

9:49 am-2:53 pm

1 stop5h 04m

San Antonio

Mon 8/31

1:43 pm-6:34 pm

1 stop4h 51m

$329

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 $328 to $529.
The lowest price recently found on this route was $230.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of October, then book flights to San Antonio from Kansas City during February instead. Flights to San Antonio in February, while not as cheap as those in October, still average around $330.

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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $470.

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 $345. 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

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 $381 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 $260 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 August 2026, prices for Kansas City to San Antonio flights are approximately 74% 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

$138

Fastest flight time

2h 00m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Kansas City in the past 72 hours is $138. The best round-trip flight deal from Kansas City to San Antonio found on momondo in the last 72 hours is $277.
The fastest flight from Kansas City to San Antonio takes 2h 00m
Direct flights go from Kansas City to San Antonio on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Southwest.
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
2,715 reviews
Search Frontier flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
10,098 reviews
Search United Airlines flights
American AirlinesPriceFrom $266Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
SouthwestPriceFrom $275Free CancellationRating
8.0
4,214 reviews
Search Southwest flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 4 times per week, with 4,218 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $275 (round-trip), much lower than the average airfare cost of $379 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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