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Cheap flights from Missouri to San Antonio from $90

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 9/4. 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

American Airlines Logo
7:56 pm - 11:46 pmMCI-SAT
3h 50m1 stop
American Airlines Logo
6:00 am - 9:56 amSAT-MCI
3h 56m1 stop
$179American Airlines
Find Deal
Thu, Sep 18 - Wed, Sep 24
United Airlines Logo
6:15 am - 10:51 amSTL-SAT
4h 36m1 stop
United Airlines Logo
1:34 pm - 8:57 pmSAT-STL
7h 23m1 stop
$192United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Delta Logo
6:00 am - 1:48 pmSTL-SAT
7h 48m1 stop
Delta Logo
5:25 am - 12:31 pmSAT-STL
7h 06m1 stop
$197Delta
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Sat, Aug 30 - Mon, Sep 1
Delta Logo
6:00 am - 11:50 amSTL-SAT
5h 50m1 stop
Delta Logo
5:29 am - 12:31 pmSAT-STL
7h 02m1 stop
$201Delta
Find Deal
Sun, Sep 28 - Fri, Oct 3
Frontier Logo
6:02 pm - 2:35 pmMCI-SAT
20h 33m1 stop
Frontier Logo
8:18 pm - 1:33 pmSAT-MCI
17h 15m1 stop
$205Frontier
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Fri, Aug 22 - Sun, Aug 24
Frontier Logo
2:18 pm - 7:33 pmMCI-SAT
5h 15m1 stop
Frontier Logo
8:18 pm - 1:33 pmSAT-MCI
17h 15m1 stop
$207Frontier
Find Deal
Thu, Aug 21 - Sun, Aug 24
Logo
5:15 am - 11:40 amMCI-SAT
6h 25m1 stop
Logo
3:28 pm - 7:02 pmSAT-MCI
27h 34m1 stop
$212
Find Deal
Mon, Oct 6 - Thu, Oct 9
Southwest Logo
12:10 pm - 2:10 pmMCI-SAT
2h 00mnonstop
Southwest Logo
12:35 pm - 2:30 pmSAT-MCI
1h 55mnonstop
$221Southwest
Find Deal
Wed, Sep 3 - Wed, Sep 10
Southwest Logo
6:05 am - 12:15 pmMCI-SAT
6h 10m1 stop
Southwest Logo
12:35 pm - 2:30 pmSAT-MCI
1h 55mnonstop
$225Southwest
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Wed, Sep 3 - Wed, Sep 10
Logo
8:38 pm - 4:37 pmMCI-SAT
19h 59m1 stop
Logo
9:10 pm - 2:00 pmSAT-MCI
16h 50m1 stop
$256
Find Deal
Fri, Oct 10 - Mon, Oct 13

American Airlines flights from Missouri to San Antonio

Our best American Airlines deals on Missouri to San Antonio flight tickets
American Airlines
Sep 18
MCI7:56 pmKansas City
3h 50m
1 stop
SAT11:46 pmSan Antonio
Sep 24
SAT6:00 amSan Antonio
3h 56m
1 stop
MCI9:56 amKansas City
$179
Find similar
American Airlines
Sep 13
MCI6:26 pmKansas City
4h 34m
1 stop
SAT11:00 pmSan Antonio
Sep 17
SAT12:44 pmSan Antonio
4h 41m
1 stop
MCI5:25 pmKansas City
$227
Find similar
American Airlines
Aug 26
STL7:23 amLambert-St Louis
5h 19m
1 stop
SAT12:42 pmSan Antonio
Aug 31
SAT6:10 amSan Antonio
6h 01m
1 stop
STL12:11 pmLambert-St Louis
$235
Find similar

Southwest flights from Missouri to San Antonio

Our best Southwest deals on Missouri to San Antonio flight tickets
Southwest
Sep 3
MCI12:10 pmKansas City
2h 00m
SAT2:10 pmSan Antonio
Sep 10
SAT12:35 pmSan Antonio
1h 55m
MCI2:30 pmKansas City
$221
Find similar
Southwest
Sep 3
MCI6:05 amKansas City
6h 10m
1 stop
SAT12:15 pmSan Antonio
Sep 10
SAT12:35 pmSan Antonio
1h 55m
MCI2:30 pmKansas City
$225
Find similar
Southwest
Oct 11
MCI6:25 amKansas City
5h 30m
1 stop
SAT11:55 amSan Antonio
Oct 14
SAT5:05 pmSan Antonio
6h 05m
1 stop
MCI11:10 pmKansas City
$226
Find similar

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 August 7, 2025.
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

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 9/18

7:56 pm-11:46 pm

1 stop3h 50m

San Antonio

Wed 9/24

6:00 am-9:56 am

1 stop3h 56m

$179

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 12/11

6:15 am-10:51 am

1 stop4h 36m

San Antonio

Mon 12/15

1:34 pm-8:57 pm

1 stop7h 23m

$192

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Sat 8/30

6:00 am-1:48 pm

1 stop7h 48m

San Antonio

Mon 9/1

5:25 am-12:31 pm

1 stop7h 06m

$197

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Sun 9/28

6:00 am-11:50 am

1 stop5h 50m

San Antonio

Fri 10/3

5:29 am-12:31 pm

1 stop7h 02m

$201

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 8/22

6:02 pm-2:35 pm

1 stop20h 33m

San Antonio

Sun 8/24

8:18 pm-1:33 pm

1 stop17h 15m

$205

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/21

2:18 pm-7:33 pm

1 stop5h 15m

San Antonio

Sun 8/24

8:18 pm-1:33 pm

1 stop17h 15m

$207

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 10/6

5:15 am-11:40 am

1 stop6h 25m

San Antonio

Thu 10/9

3:28 pm-7:02 pm

1 stop27h 34m

$212

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/3

12:10 pm-2:10 pm

Nonstop2h 00m

San Antonio

Wed 9/10

12:35 pm-2:30 pm

Nonstop1h 55m

$221

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 9/3

6:05 am-12:15 pm

1 stop6h 10m

San Antonio

Wed 9/10

12:35 pm-2:30 pm

Nonstop1h 55m

$225

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 10/10

8:38 pm-4:37 pm

1 stop19h 59m

San Antonio

Mon 10/13

9:10 pm-2:00 pm

1 stop16h 50m

$256

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 April, then book flights to San Antonio from Missouri during August instead. Flights to San Antonio in August, while not as cheap as those in April, still average around $298.

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 $370. 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 $461.

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 $370. 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 $438. 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 Lambert-St Louis to San Antonio for the best Missouri - 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 Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $325 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 $261 on momondo.

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

There are 1 cabin classes 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?

You could potentially save up to 9% on your flight if you consider stops on a Missouri to San Antonio flight.

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

$90

Fastest flight time

1h 55m

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 $90. The best round-trip flight deal from Missouri to San Antonio found on momondo in the last 72 hours is $179.
The fastest flight from Missouri to San Antonio takes 1h 55m
Direct flights go from Missouri to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • 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 $124Free CancellationRating
8.0
7,985 reviews
Search Delta flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,231 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $183Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $201Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,917 reviews
Search United Airlines 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
Boerne
Schertz
Pleasanton

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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