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Cheap flights from San Antonio to Missouri from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Missouri departing on 3/3. 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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0 bags

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Find the cheapest flights from San Antonio to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:57 pm - 11:59 pm
SAT
-
STL
10h 02m
1 stop
Frontier Logo
10:11 pm - 9:58 am
STL
-
SAT
11h 47m
1 stop
$148Frontier
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
10:26 am - 6:51 am
SAT
-
STL
20h 25m
2 stops
Multiple Airlines Logo
3:49 pm - 1:12 pm
STL
-
SAT
21h 23m
1 stop
$167Multiple Airlines
Tue, Feb 24 - Wed, Feb 25
Frontier Logo
7:45 am - 7:58 pm
SAT
-
MCI
12h 13m
1 stop
Frontier Logo
8:46 pm - 12:19 am
MCI
-
SAT
27h 33m
1 stop
$171Frontier
Tue, Apr 7 - Thu, Apr 9
Multiple Airlines Logo
5:04 pm - 6:51 am
SAT
-
STL
13h 47m
1 stop
Multiple Airlines Logo
8:22 pm - 9:30 am
STL
-
SAT
37h 08m
2 stops
$173Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Spirit Airlines Logo
6:00 am - 3:29 pm
SAT
-
MCI
9h 29m
1 stop
Spirit Airlines Logo
4:24 pm - 11:59 pm
MCI
-
SAT
7h 35m
1 stop
$175Spirit Airlines
Mon, Mar 2 - Mon, Mar 9
Spirit Airlines Logo
10:26 am - 10:30 am
SAT
-
MCI
24h 04m
1 stop
Spirit Airlines Logo
11:26 am - 9:30 am
MCI
-
SAT
22h 04m
1 stop
$190Spirit Airlines
Thu, Feb 26 - Mon, Mar 2
Delta Logo
7:55 am - 2:35 pm
SAT
-
SGF
6h 40m
1 stop
Delta Logo
6:51 pm - 12:40 am
SGF
-
SAT
5h 49m
1 stop
$249Delta
Thu, May 7 - Sun, May 10
Delta Logo
6:45 am - 2:35 pm
SAT
-
SGF
7h 50m
1 stop
Delta Logo
6:51 pm - 12:40 am
SGF
-
SAT
5h 49m
1 stop
$264Delta
Fri, May 22 - Mon, May 25
United Airlines Logo
5:20 am - 2:40 pm
SAT
-
SGF
9h 20m
2 stops
United Airlines Logo
2:53 pm - 7:53 pm
SGF
-
SAT
5h 00m
1 stop
$298United Airlines
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
4:10 pm - 8:37 pm
SAT
-
SGF
4h 27m
1 stop
United Airlines Logo
9:00 am - 3:46 pm
SGF
-
SAT
6h 46m
1 stop
$319United Airlines
Sat, Mar 28 - Thu, Apr 2

Frontier flights from San Antonio to Missouri

Our best Frontier deals on San Antonio to Missouri flight tickets
Frontier
Feb 23
SAT1:57 pmSan Antonio
10h 02m
1 stop
STL11:59 pmLambert-St Louis
Feb 26
STL10:11 pmLambert-St Louis
11h 47m
1 stop
SAT9:58 amSan Antonio
$148
Frontier
Apr 7
SAT7:45 amSan Antonio
12h 13m
1 stop
MCI7:58 pmKansas City
Apr 9
MCI8:46 pmKansas City
27h 33m
1 stop
SAT12:19 amSan Antonio
$171
Frontier
Apr 29
SAT3:14 pmSan Antonio
22h 16m
1 stop
MCI1:30 pmKansas City
May 4
MCI2:15 pmKansas City
24h 04m
1 stop
SAT2:19 pmSan Antonio
$192

United Airlines flights from San Antonio to Missouri

Our best United Airlines deals on San Antonio to Missouri flight tickets
United Airlines
Apr 10
SAT6:02 pmSan Antonio
4h 25m
1 stop
STL10:27 pmLambert-St Louis
Apr 12
STL6:00 amLambert-St Louis
4h 50m
1 stop
SAT10:50 amSan Antonio
$274
United Airlines
Feb 18
SAT5:20 amSan Antonio
9h 20m
2 stops
SGF2:40 pmSpringfield-Branson
Feb 21
SGF2:53 pmSpringfield-Branson
5h 00m
1 stop
SAT7:53 pmSan Antonio
$298
United Airlines
Apr 15
SAT5:30 amSan Antonio
6h 52m
2 stops
STL12:22 pmLambert-St Louis
May 3
STL6:00 amLambert-St Louis
4h 47m
1 stop
SAT10:47 amSan Antonio
$307

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Missouri 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 February 3, 2026.
Use the filters below to find and compare flights from San Antonio to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Mon 2/23

1:57 pm-11:59 pm

1 stop10h 02m

Lambert-St Louis

Thu 2/26

10:11 pm-9:58 am

1 stop11h 47m

$148

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Tue 2/24

10:26 am-6:51 am

2 stops20h 25m

Lambert-St Louis

Wed 2/25

3:49 pm-1:12 pm

1 stop21h 23m

$167

San AntonioKansas City

SAT - MCI

SATMCI

San Antonio

Tue 4/7

7:45 am-7:58 pm

1 stop12h 13m

Kansas City

Thu 4/9

8:46 pm-12:19 am

1 stop27h 33m

$171

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 2/13

5:04 pm-6:51 am

1 stop13h 47m

Lambert-St Louis

Mon 2/16

8:22 pm-9:30 am

2 stops37h 08m

$173

San AntonioKansas City

SAT - MCI

SATMCI

San Antonio

Mon 3/2

6:00 am-3:29 pm

1 stop9h 29m

Kansas City

Mon 3/9

4:24 pm-11:59 pm

1 stop7h 35m

$175

San AntonioKansas City

SAT - MCI

SATMCI

San Antonio

Thu 2/26

10:26 am-10:30 am

1 stop24h 04m

Kansas City

Mon 3/2

11:26 am-9:30 am

1 stop22h 04m

$190

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Thu 5/7

7:55 am-2:35 pm

1 stop6h 40m

Springfield-Branson

Sun 5/10

6:51 pm-12:40 am

1 stop5h 49m

$249

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Fri 5/22

6:45 am-2:35 pm

1 stop7h 50m

Springfield-Branson

Mon 5/25

6:51 pm-12:40 am

1 stop5h 49m

$264

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Wed 2/18

5:20 am-2:40 pm

2 stops9h 20m

Springfield-Branson

Sat 2/21

2:53 pm-7:53 pm

1 stop5h 00m

$298

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Sat 3/28

4:10 pm-8:37 pm

1 stop4h 27m

Springfield-Branson

Thu 4/2

9:00 am-3:46 pm

1 stop6h 46m

$319

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 Missouri from

How to get the cheapest flight ticket from San Antonio to Missouri

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 Missouri?

In general, August is the cheapest month to fly from San Antonio to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. If you aren’t able to travel to Missouri during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $298.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from San Antonio to Missouri is on a Monday when prices can be found for as low as $357. Flights from San Antonio to Missouri on a Sunday will generally be more expensive and average around $457. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from San Antonio to Missouri in the afternoon for as low as $375. 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 Missouri are more costly at noon, with an average ticket price of $527. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Antonio to Missouri flight route?

Fly from San Antonio to Lambert-St Louis for the best San Antonio - Missouri flight prices

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

You are more likely to see cheaper flights to Missouri from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from San Antonio for as low as $196 on momondo.

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

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

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

Cheap San Antonio to Missouri flight deals and tips

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

Best Price Found

$218

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from San Antonio in the past 72 hours is $218. The best round-trip flight deal from San Antonio to Missouri found on momondo in the last 72 hours is $319.
The fastest flight from San Antonio to Missouri takes 1h 55m
Direct flights go from San Antonio to Missouri every day.
There are 55 airports in Missouri. From San Antonio there are direct flights to Kansas City (MCI), Lambert-St Louis (STL).
Search flight deals

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

    Prices for flights from San Antonio Airport to Missouri are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Missouri

Compare and see reviews for airlines that fly from San Antonio to Missouri with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $109Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $129Free CancellationRating
7.9
8,138 reviews
Search Delta flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,272 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Missouri?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Missouri. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from San Antonio to Missouri on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Missouri?

momondo helps you find the best flight between San Antonio and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for San Antonio to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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