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Cheap flights from Missouri to San Antonio from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to San Antonio departing on 8/18. 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 Missouri to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:43 pm - 8:52 pm
MCI
-
SAT
7h 09m
1 stop
United Airlines Logo
11:50 am - 5:06 pm
SAT
-
MCI
5h 16m
1 stop
$197United Airlines
Wed, Sep 23 - Wed, Sep 30
American Airlines Logo
5:30 am - 10:09 am
MCI
-
SAT
4h 39m
1 stop
American Airlines Logo
6:00 am - 10:30 am
SAT
-
MCI
4h 30m
1 stop
$211American Airlines
Wed, Aug 19 - Sat, Aug 22
American Airlines Logo
9:49 am - 2:51 pm
MCI
-
SAT
5h 02m
1 stop
American Airlines Logo
5:00 am - 8:58 am
SAT
-
MCI
3h 58m
1 stop
$225American Airlines
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
4:55 pm - 6:55 pm
MCI
-
SAT
2h 00mnonstop
Southwest Logo
7:35 am - 11:45 am
SAT
-
MCI
4h 10m
1 stop
$241Southwest
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
1:43 pm - 9:16 pm
MCI
-
SAT
7h 33m
2 stops
United Airlines Logo
5:30 am - 10:06 am
SAT
-
MCI
4h 36m
1 stop
$242United Airlines
Wed, Sep 23 - Wed, Sep 30
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 14 - Tue, Jul 21
Frontier Logo
8:08 pm - 6:44 pm
STL
-
SAT
22h 36m
1 stop
Frontier Logo
9:32 pm - 6:05 pm
SAT
-
STL
20h 33m
1 stop
$268Frontier
Tue, Jul 14 - Tue, Jul 21
Delta Logo
4:06 pm - 9:29 pm
MCI
-
SAT
5h 23m
1 stop
Delta Logo
12:05 pm - 7:01 pm
SAT
-
MCI
6h 56m
1 stop
$280Delta
Thu, Aug 13 - Sun, Aug 16
Southwest Logo
1:50 pm - 3:50 pm
MCI
-
SAT
2h 00mnonstop
Southwest Logo
11:25 am - 1:20 pm
SAT
-
MCI
1h 55mnonstop
$285Southwest
Tue, Jun 30 - Tue, Jul 7
Delta Logo
6:00 am - 1:35 pm
SGF
-
SAT
7h 35m
1 stop
Delta Logo
5:25 am - 10:52 am
SAT
-
SGF
5h 27m
1 stop
$324Delta
Fri, Jul 3 - Mon, Jul 6

United Airlines flights from Missouri to San Antonio

Our best United Airlines deals on Missouri to San Antonio flight tickets
United Airlines
Sep 23
MCI1:43 pmKansas City
7h 09m
1 stop
SAT8:52 pmSan Antonio
Sep 30
SAT11:50 amSan Antonio
5h 16m
1 stop
MCI5:06 pmKansas City
$197
United Airlines
Sep 23
MCI1:43 pmKansas City
7h 33m
2 stops
SAT9:16 pmSan Antonio
Sep 30
SAT5:30 amSan Antonio
4h 36m
1 stop
MCI10:06 amKansas City
$242
United Airlines
Sep 23
MCI1:43 pmKansas City
9h 01m
2 stops
SAT10:44 pmSan Antonio
Sep 30
SAT11:50 amSan Antonio
5h 16m
1 stop
MCI5:06 pmKansas City
$282

Southwest flights from Missouri to San Antonio

Our best Southwest deals on Missouri to San Antonio flight tickets
Southwest
Sep 23
MCI4:55 pmKansas City
2h 00m
SAT6:55 pmSan Antonio
Sep 30
SAT7:35 amSan Antonio
4h 10m
1 stop
MCI11:45 amKansas City
$241
Southwest
Aug 18
MCI6:25 amKansas City
3h 45m
1 stop
SAT10:10 amSan Antonio
Aug 18
SAT11:40 amSan Antonio
2h 00m
MCI1:40 pmKansas City
$285
Southwest
Jul 14
MCI7:20 amKansas City
3h 50m
1 stop
SAT11:10 amSan Antonio
Jul 21
SAT11:25 amSan Antonio
1h 55m
MCI1:20 pmKansas City
$290

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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 June 2, 2026.
Use the filters below to find and compare flights from Missouri 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 9/23

1:43 pm-8:52 pm

1 stop7h 09m

San Antonio

Wed 9/30

11:50 am-5:06 pm

1 stop5h 16m

$197

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 8/19

5:30 am-10:09 am

1 stop4h 39m

San Antonio

Sat 8/22

6:00 am-10:30 am

1 stop4h 30m

$211

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 9/10

9:49 am-2:51 pm

1 stop5h 02m

San Antonio

Mon 9/14

5:00 am-8:58 am

1 stop3h 58m

$225

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/23

4:55 pm-6:55 pm

Nonstop2h 00m

San Antonio

Wed 9/30

7:35 am-11:45 am

1 stop4h 10m

$241

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/23

1:43 pm-9:16 pm

2 stops7h 33m

San Antonio

Wed 9/30

5:30 am-10:06 am

1 stop4h 36m

$242

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 7/14

1:45 pm-6:44 pm

1 stop4h 59m

San Antonio

Tue 7/21

7:39 pm-1:00 pm

1 stop17h 21m

$268

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 7/14

8:08 pm-6:44 pm

1 stop22h 36m

San Antonio

Tue 7/21

9:32 pm-6:05 pm

1 stop20h 33m

$268

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/13

4:06 pm-9:29 pm

1 stop5h 23m

San Antonio

Sun 8/16

12:05 pm-7:01 pm

1 stop6h 56m

$280
Quickest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 6/30

1:50 pm-3:50 pm

Nonstop2h 00m

San Antonio

Tue 7/7

11:25 am-1:20 pm

Nonstop1h 55m

$285

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Fri 7/3

6:00 am-1:35 pm

1 stop7h 35m

San Antonio

Mon 7/6

5:25 am-10:52 am

1 stop5h 27m

$324

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 Missouri 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 October, then book flights to San Antonio from Missouri during April instead. Flights to San Antonio in April, while not as cheap as those in October, still average around $98.

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 Saturday when prices can be found for as low as $348. 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 $477.

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 Missouri to San Antonio in the afternoon for as low as $326. 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 evening, with an average ticket price of $466. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Missouri to San Antonio flight route?

Fly from Kansas City to San Antonio for the best Missouri - San Antonio flight prices

How far in advance should I book a flight from Missouri to San Antonio?

You are more likely to see cheaper flights to San Antonio from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $354 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Missouri for as low as $249 on momondo.

What cabin class options are available on Missouri to San Antonio flights?

There is only 1 cabin class available to choose from on Missouri 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 Missouri to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Missouri to San Antonio.

Cheap Missouri to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to San Antonio

Best Price Found

$238

Fastest flight time

2h 00m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Missouri in the past 72 hours is $238. The best round-trip flight deal from Missouri to San Antonio found on momondo in the last 72 hours is $400.
The fastest flight from Missouri to San Antonio takes 2h 00m
Direct flights go from Missouri to San Antonio every day.
There is 1 airport in San Antonio. From Missouri there are direct flights to San Antonio (SAT).
Search flight deals

Frequently asked questions about flying from Missouri to San Antonio

  • When did momondo last update prices for flights from Missouri to San Antonio Airport?

    Prices for flights from Missouri to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Missouri to San Antonio Airport?

  • How old do you have to be to fly from Missouri to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to San Antonio?

Best airlines flying from Missouri to San Antonio

Compare and see reviews for airlines that fly from Missouri to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $111Free CancellationRating
7.9
8,397 reviews
Search Delta flights
FrontierPriceFrom $153Free CancellationRating
5.6
2,922 reviews
Search Frontier flights
American AirlinesPriceFrom $198Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,257 reviews
Search Southwest flights

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 Missouri to San Antonio?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to San Antonio. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Missouri with this policy.

How can momondo help me find flights from Missouri 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 Missouri.

I’m not ready to book a flight from Missouri to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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