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Cheap flights from Missouri to San Antonio from $62

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 2/25. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:46 pm - 9:18 amMCI-SAT
12h 32m1 stop
Frontier Logo
4:13 pm - 4:50 pmSAT-MCI
24h 37m1 stop
$134Frontier
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Sun, Feb 8 - Tue, Feb 24
Frontier Logo
8:46 pm - 9:18 amMCI-SAT
12h 32m1 stop
Frontier Logo
10:13 am - 7:51 pmSAT-MCI
9h 38m1 stop
$138Frontier
Find Deal
Sun, Feb 8 - Mon, Feb 23
Frontier Logo
7:45 pm - 2:28 pmSTL-SAT
18h 43m1 stop
Frontier Logo
12:44 pm - 10:02 amSAT-STL
21h 18m1 stop
$138Frontier
Find Deal
Wed, Nov 19 - Fri, Nov 21
Multiple Airlines Logo
7:43 pm - 9:18 amSTL-SAT
13h 35m1 stop
Multiple Airlines Logo
6:30 am - 10:37 pmSAT-STL
16h 07m1 stop
$158Multiple Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
Multiple Airlines Logo
7:00 am - 12:29 pmMCI-SAT
29h 29m1 stop
Multiple Airlines Logo
10:13 am - 7:51 pmSAT-MCI
9h 38m1 stop
$163Multiple Airlines
Find Deal
Wed, Jan 28 - Fri, Jan 30
American Airlines Logo
6:00 am - 1:01 pmMCI-SAT
7h 01m1 stop
American Airlines Logo
6:05 pm - 10:54 pmSAT-MCI
4h 49m1 stop
$179American Airlines
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Thu, Nov 27 - Wed, Dec 3
American Airlines Logo
5:56 pm - 12:28 amSTL-SAT
6h 32m1 stop
American Airlines Logo
3:00 pm - 7:29 pmSAT-STL
4h 29m1 stop
$179American Airlines
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Tue, Dec 2 - Wed, Dec 3
Spirit Airlines Logo
4:28 pm - 12:07 amMCI-SAT
7h 39m1 stop
Spirit Airlines Logo
6:30 am - 3:33 pmSAT-MCI
9h 03m1 stop
$217Spirit Airlines
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Sun, Feb 1 - Fri, Feb 6
Delta Logo
6:10 am - 12:23 pmSTL-SAT
6h 13m1 stop
Delta Logo
6:24 pm - 11:38 pmSAT-STL
5h 14m1 stop
$227Delta
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Tue, Mar 3 - Tue, Mar 3
Delta Logo
5:06 pm - 10:30 pmSGF-SAT
5h 24m1 stop
Delta Logo
5:30 am - 11:14 amSAT-SGF
5h 44m1 stop
$249Delta
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Tue, Mar 3 - Tue, Mar 10

American Airlines flights from Missouri to San Antonio

Our best American Airlines deals on Missouri to San Antonio flight tickets
American Airlines
Dec 2
STL5:56 pmLambert-St Louis
6h 32m
1 stop
SAT12:28 amSan Antonio
Dec 3
SAT3:00 pmSan Antonio
4h 29m
1 stop
STL7:29 pmLambert-St Louis
$179
Find similar
American Airlines
Nov 24
STL7:00 amLambert-St Louis
10h 00m
1 stop
SAT5:00 pmSan Antonio
Dec 2
SAT3:00 pmSan Antonio
4h 30m
1 stop
STL7:30 pmLambert-St Louis
$202
Find similar
American Airlines
Dec 12
MCI1:44 pmKansas City
5h 12m
1 stop
SAT6:56 pmSan Antonio
Dec 13
SAT6:05 pmSan Antonio
4h 49m
1 stop
MCI10:54 pmKansas City
$229
Find similar

United Airlines flights from Missouri to San Antonio

Our best United Airlines deals on Missouri to San Antonio flight tickets
United Airlines
Dec 13
STL6:15 amLambert-St Louis
4h 36m
1 stop
SAT10:51 amSan Antonio
Jan 10
SAT4:04 pmSan Antonio
5h 56m
1 stop
STL10:00 pmLambert-St Louis
$254
Find similar
United Airlines
Nov 24
SGF5:07 pmSpringfield-Branson
5h 20m
1 stop
SAT10:27 pmSan Antonio
Nov 27
SAT4:24 pmSan Antonio
3h 30m
1 stop
SGF7:54 pmSpringfield-Branson
$264
Find similar
United Airlines
Nov 24
SGF9:00 amSpringfield-Branson
4h 04m
1 stop
SAT1:04 pmSan Antonio
Nov 27
SAT5:30 amSan Antonio
9h 09m
2 stops
SGF2:39 pmSpringfield-Branson
$312
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 November 6, 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

Sun 2/8

8:46 pm-9:18 am

1 stop12h 32m

San Antonio

Tue 2/24

4:13 pm-4:50 pm

1 stop24h 37m

$134

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sun 2/8

8:46 pm-9:18 am

1 stop12h 32m

San Antonio

Mon 2/23

10:13 am-7:51 pm

1 stop9h 38m

$138

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Wed 11/19

7:45 pm-2:28 pm

1 stop18h 43m

San Antonio

Fri 11/21

12:44 pm-10:02 am

1 stop21h 18m

$138

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Sat 1/10

7:43 pm-9:18 am

1 stop13h 35m

San Antonio

Wed 1/14

6:30 am-10:37 pm

1 stop16h 07m

$158

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 1/28

7:00 am-12:29 pm

1 stop29h 29m

San Antonio

Fri 1/30

10:13 am-7:51 pm

1 stop9h 38m

$163

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 11/27

6:00 am-1:01 pm

1 stop7h 01m

San Antonio

Wed 12/3

6:05 pm-10:54 pm

1 stop4h 49m

$179

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 12/2

5:56 pm-12:28 am

1 stop6h 32m

San Antonio

Wed 12/3

3:00 pm-7:29 pm

1 stop4h 29m

$179

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sun 2/1

4:28 pm-12:07 am

1 stop7h 39m

San Antonio

Fri 2/6

6:30 am-3:33 pm

1 stop9h 03m

$217

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 3/3

6:10 am-12:23 pm

1 stop6h 13m

San Antonio

Tue 3/3

6:24 pm-11:38 pm

1 stop5h 14m

$227

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Tue 3/3

5:06 pm-10:30 pm

1 stop5h 24m

San Antonio

Tue 3/10

5:30 am-11:14 am

1 stop5h 44m

$249

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 September instead. Flights to San Antonio in September, while not as cheap as those in April, still average around $302.

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 $329. 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 $427. 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 $331 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 $233 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?

You could potentially save up to 41% 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

$506

Fastest flight time

2h 05m

Direct flights

Every day

Airports in San Antonio

1 airport
The best flight deal from Missouri to San Antonio found on momondo in the last 72 hours is $506
The fastest flight from Missouri to San Antonio takes 2h 05m
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
7.9
8,004 reviews
Search Delta flights
FrontierPriceFrom $151Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
SouthwestPriceFrom $202Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,003 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
Boerne
Kerrville
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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