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Cheap flights from San Antonio to Missouri from $75

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 5/19. 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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Find the cheapest flights from San Antonio to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:54 pm - 7:23 pm
SAT
-
STL
23h 29m
1 stop
Frontier Logo
9:18 pm - 8:14 pm
STL
-
SAT
22h 56m
1 stop
$171Frontier
Fri, May 8 - Mon, May 11
Frontier Logo
6:45 am - 9:48 am
SAT
-
STL
27h 03m
1 stop
Frontier Logo
8:19 pm - 12:19 am
STL
-
SAT
28h 00m
1 stop
$185Frontier
Thu, Apr 2 - Mon, Apr 6
Frontier Logo
3:00 pm - 7:32 pm
SAT
-
STL
28h 32m
1 stop
Frontier Logo
8:06 pm - 2:15 pm
STL
-
SAT
18h 09m
1 stop
$191Frontier
Fri, May 1 - Sun, May 3
Southwest Logo
1:30 pm - 3:25 pm
SAT
-
MCI
1h 55mnonstop
Southwest Logo
3:10 pm - 5:20 pm
MCI
-
SAT
2h 10mnonstop
$265Southwest
Tue, Apr 14 - Tue, Apr 21
Southwest Logo
12:25 pm - 5:35 pm
SAT
-
MCI
5h 10m
1 stop
Southwest Logo
3:10 pm - 5:20 pm
MCI
-
SAT
2h 10mnonstop
$270Southwest
Tue, Apr 14 - Tue, Apr 21
Delta Logo
2:10 pm - 10:29 pm
SAT
-
SGF
8h 19m
1 stop
Delta Logo
6:00 am - 1:07 pm
SGF
-
SAT
7h 07m
1 stop
$309Delta
Fri, Sep 11 - Mon, Sep 14
Delta Logo
5:20 am - 11:01 am
SAT
-
SGF
5h 41m
1 stop
Delta Logo
6:55 pm - 12:46 am
SGF
-
SAT
5h 51m
1 stop
$334Delta
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
8:05 am - 11:35 am
SAT
-
SGF
3h 30m
1 stop
American Airlines Logo
7:46 pm - 11:59 pm
SGF
-
SAT
4h 13m
1 stop
$339American Airlines
Thu, Apr 2 - Mon, Apr 6
United Airlines Logo
11:46 am - 4:27 pm
SAT
-
SGF
4h 41m
1 stop
United Airlines Logo
11:23 am - 9:03 pm
SGF
-
SAT
9h 40m
2 stops
$344United Airlines
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
5:35 pm - 12:36 am
SAT
-
SGF
7h 01m
1 stop
United Airlines Logo
6:15 am - 10:50 am
SGF
-
SAT
4h 35m
1 stop
$350United Airlines
Fri, Apr 10 - Sun, Apr 12

Frontier flights from San Antonio to Missouri

Our best Frontier deals on San Antonio to Missouri flight tickets
Frontier
May 8
SAT7:54 pmSan Antonio
23h 29m
1 stop
STL7:23 pmLambert-St Louis
May 11
STL9:18 pmLambert-St Louis
22h 56m
1 stop
SAT8:14 pmSan Antonio
$171
Frontier
Apr 2
SAT6:45 amSan Antonio
27h 03m
1 stop
STL9:48 amLambert-St Louis
Apr 6
STL8:19 pmLambert-St Louis
28h 00m
1 stop
SAT12:19 amSan Antonio
$185
Frontier
May 1
SAT3:00 pmSan Antonio
28h 32m
1 stop
STL7:32 pmLambert-St Louis
May 3
STL8:06 pmLambert-St Louis
18h 09m
1 stop
SAT2:15 pmSan Antonio
$191

Southwest flights from San Antonio to Missouri

Our best Southwest deals on San Antonio to Missouri flight tickets
Southwest
Apr 14
SAT1:30 pmSan Antonio
1h 55m
MCI3:25 pmKansas City
Apr 21
MCI3:10 pmKansas City
2h 10m
SAT5:20 pmSan Antonio
$265
Southwest
Apr 14
SAT12:25 pmSan Antonio
5h 10m
1 stop
MCI5:35 pmKansas City
Apr 21
MCI3:10 pmKansas City
2h 10m
SAT5:20 pmSan Antonio
$270
Southwest
Apr 14
SAT3:50 pmSan Antonio
2h 10m
STL6:00 pmLambert-St Louis
Apr 21
STL1:25 pmLambert-St Louis
3h 55m
1 stop
SAT5:20 pmSan Antonio
$290

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 March 22, 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

Cheapest round-trip

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 5/8

7:54 pm-7:23 pm

1 stop23h 29m

Lambert-St Louis

Mon 5/11

9:18 pm-8:14 pm

1 stop22h 56m

$171

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Thu 4/2

6:45 am-9:48 am

1 stop27h 03m

Lambert-St Louis

Mon 4/6

8:19 pm-12:19 am

1 stop28h 00m

$185

San AntonioSt. Louis

SAT - STL

SATSTL

San Antonio

Fri 5/1

3:00 pm-7:32 pm

1 stop28h 32m

Lambert-St Louis

Sun 5/3

8:06 pm-2:15 pm

1 stop18h 09m

$191
Quickest round-trip

San AntonioKansas City

SAT - MCI

SATMCI

San Antonio

Tue 4/14

1:30 pm-3:25 pm

Nonstop1h 55m

Kansas City

Tue 4/21

3:10 pm-5:20 pm

Nonstop2h 10m

$265

San AntonioKansas City

SAT - MCI

SATMCI

San Antonio

Tue 4/14

12:25 pm-5:35 pm

1 stop5h 10m

Kansas City

Tue 4/21

3:10 pm-5:20 pm

Nonstop2h 10m

$270

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Fri 9/11

2:10 pm-10:29 pm

1 stop8h 19m

Springfield-Branson

Mon 9/14

6:00 am-1:07 pm

1 stop7h 07m

$309

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Mon 4/20

5:20 am-11:01 am

1 stop5h 41m

Springfield-Branson

Mon 4/27

6:55 pm-12:46 am

1 stop5h 51m

$334

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Thu 4/2

8:05 am-11:35 am

1 stop3h 30m

Springfield-Branson

Mon 4/6

7:46 pm-11:59 pm

1 stop4h 13m

$339

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Sat 4/4

11:46 am-4:27 pm

1 stop4h 41m

Springfield-Branson

Wed 4/8

11:23 am-9:03 pm

2 stops9h 40m

$344

San AntonioSpringfield

SAT - SGF

SATSGF

San Antonio

Fri 4/10

5:35 pm-12:36 am

1 stop7h 01m

Springfield-Branson

Sun 4/12

6:15 am-10:50 am

1 stop4h 35m

$350

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 April is also cheap. Prices for this month can be found on momondo for an average of $312.

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 $358. 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 $378. 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 $365 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 $198 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?

You could potentially save up to 7% on your flight if you consider stops on a San Antonio to Missouri flight.

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

$159

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 $159. The best round-trip flight deal from San Antonio to Missouri found on momondo in the last 72 hours is $351.
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
3,018 reviews
Search Frontier flights
DeltaPriceFrom $129Free CancellationRating
7.9
8,314 reviews
Search Delta flights
United AirlinesPriceFrom $192Free CancellationRating
7.4
9,455 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights
SouthwestPriceFrom $240Free CancellationRating
8.0
4,324 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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