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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 4/22. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:10 am - 3:23 pm
MCI
-
SAT
7h 13m
1 stop
Delta Logo
6:12 pm - 11:00 pm
SAT
-
MCI
4h 48m
1 stop
$205Delta
Wed, Apr 29 - Wed, May 6
Frontier Logo
2:34 pm - 6:59 pm
MCI
-
SAT
28h 25m
1 stop
Frontier Logo
7:54 pm - 1:49 pm
SAT
-
MCI
17h 55m
1 stop
$206Frontier
Tue, May 5 - Fri, May 8
Southwest Logo
8:05 pm - 11:30 pm
MCI
-
SAT
3h 25m
1 stop
Southwest Logo
3:45 pm - 10:40 pm
SAT
-
MCI
6h 55m
1 stop
$221Southwest
Mon, Jun 1 - Tue, Jun 2
Multiple Airlines Logo
5:45 am - 12:27 pm
MCI
-
SAT
6h 42m
1 stop
Multiple Airlines Logo
3:00 pm - 2:06 pm
SAT
-
MCI
23h 06m
1 stop
$225Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Frontier Logo
2:15 pm - 3:09 pm
MCI
-
SAT
24h 54m
1 stop
Frontier Logo
7:54 pm - 1:49 pm
SAT
-
MCI
17h 55m
1 stop
$233Frontier
Fri, May 1 - Wed, May 6
Southwest Logo
8:05 pm - 11:30 pm
MCI
-
SAT
3h 25m
1 stop
Southwest Logo
1:30 pm - 3:25 pm
SAT
-
MCI
1h 55mnonstop
$241Southwest
Mon, Jun 1 - Tue, Jun 2
Southwest Logo
9:35 am - 3:10 pm
MCI
-
SAT
5h 35m
1 stop
Southwest Logo
5:55 am - 10:10 am
SAT
-
MCI
4h 15m
1 stop
$243Southwest
Tue, Apr 14 - Thu, Apr 16
Frontier Logo
8:43 pm - 12:19 am
MCI
-
SAT
27h 36m
1 stop
Frontier Logo
6:45 am - 8:01 pm
SAT
-
MCI
13h 16m
1 stop
$246Frontier
Mon, Apr 6 - Thu, Apr 9
Delta Logo
6:47 pm - 12:46 am
MCI
-
SAT
5h 59m
1 stop
Delta Logo
6:12 pm - 11:01 pm
SAT
-
MCI
4h 49m
1 stop
$250Delta
Tue, Apr 21 - Fri, Apr 24
Southwest Logo
8:05 pm - 11:30 pm
MCI
-
SAT
3h 25m
1 stop
Southwest Logo
1:35 pm - 5:10 pm
SAT
-
MCI
3h 35m
1 stop
$253Southwest
Thu, May 7 - Mon, May 11

American Airlines flights from Kansas City to San Antonio

Our best American Airlines deals on Kansas City to San Antonio flight tickets
American Airlines
Apr 29
MCI5:30 amKansas City
4h 06m
1 stop
SAT9:36 amSan Antonio
May 6
SAT8:31 pmSan Antonio
3h 35m
1 stop
MCI12:06 amKansas City
$275
American Airlines
Apr 29
MCI5:30 amKansas City
4h 06m
1 stop
SAT9:36 amSan Antonio
May 3
SAT5:00 amSan Antonio
5h 15m
1 stop
MCI10:15 amKansas City
$301
American Airlines
Apr 6
MCI7:47 pmKansas City
4h 12m
1 stop
SAT11:59 pmSan Antonio
Apr 10
SAT8:31 pmSan Antonio
3h 36m
1 stop
MCI12:07 amKansas City
$397

Frontier flights from Kansas City to San Antonio

Our best Frontier deals on Kansas City to San Antonio flight tickets
Frontier
May 5
MCI2:34 pmKansas City
28h 25m
1 stop
SAT6:59 pmSan Antonio
May 8
SAT7:54 pmSan Antonio
17h 55m
1 stop
MCI1:49 pmKansas City
$206
Frontier
May 1
MCI2:15 pmKansas City
24h 54m
1 stop
SAT3:09 pmSan Antonio
May 6
SAT7:54 pmSan Antonio
17h 55m
1 stop
MCI1:49 pmKansas City
$233
Frontier
Mar 26
MCI8:40 pmKansas City
12h 26m
1 stop
SAT9:06 amSan Antonio
Mar 29
SAT6:45 amSan Antonio
13h 10m
1 stop
MCI7:55 pmKansas City
$240

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 March 24, 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

Wed 4/29

8:10 am-3:23 pm

1 stop7h 13m

San Antonio

Wed 5/6

6:12 pm-11:00 pm

1 stop4h 48m

$205

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 5/5

2:34 pm-6:59 pm

1 stop28h 25m

San Antonio

Fri 5/8

7:54 pm-1:49 pm

1 stop17h 55m

$206

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 6/1

8:05 pm-11:30 pm

1 stop3h 25m

San Antonio

Tue 6/2

3:45 pm-10:40 pm

1 stop6h 55m

$221

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 4/14

5:45 am-12:27 pm

1 stop6h 42m

San Antonio

Fri 4/17

3:00 pm-2:06 pm

1 stop23h 06m

$225

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 5/1

2:15 pm-3:09 pm

1 stop24h 54m

San Antonio

Wed 5/6

7:54 pm-1:49 pm

1 stop17h 55m

$233
Quickest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 6/1

8:05 pm-11:30 pm

1 stop3h 25m

San Antonio

Tue 6/2

1:30 pm-3:25 pm

Nonstop1h 55m

$241

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 4/14

9:35 am-3:10 pm

1 stop5h 35m

San Antonio

Thu 4/16

5:55 am-10:10 am

1 stop4h 15m

$243

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 4/6

8:43 pm-12:19 am

1 stop27h 36m

San Antonio

Thu 4/9

6:45 am-8:01 pm

1 stop13h 16m

$246

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 4/21

6:47 pm-12:46 am

1 stop5h 59m

San Antonio

Fri 4/24

6:12 pm-11:01 pm

1 stop4h 49m

$250

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 5/7

8:05 pm-11:30 pm

1 stop3h 25m

San Antonio

Mon 5/11

1:35 pm-5:10 pm

1 stop3h 35m

$253

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 $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 Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $417.

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 $344 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 $266 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 March 2026, prices for Kansas City to San Antonio flights are approximately 58% 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

$325

Fastest flight time

2h 00m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

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 $325
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. There are no airlines offering direct flights.
There is 1 airport in San Antonio. From Kansas City there are direct flights to 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 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
SouthwestPriceFrom $216Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights

  • Southwest Flights From Kansas City to San Antonio

    Southwest flies from Kansas City to San Antonio around 5 times per week, with 4,328 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Kansas City to San Antonio in the last 72 hours was $216 (round-trip), much lower than the average airfare cost of $358 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
Pleasanton
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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