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San Antonio

$65+ Cheap flights from Missouri to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Missouri to San Antonio

Keep the following information in mind while searching for Missouri to San Antonio flight deals. Data was last updated January 16, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$160
(Booking.com)

One-way from

$65
(Expedia)

Popular in

November

Cheapest in

January

Average price

$298

Good round-trip deal

$336 or less
Provider with most accurate pricing for Lambert-St Louis-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-San Antonio flights.
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From Missouri to San Antonio
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One-way flight from Missouri to San Antonio
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Highest demand for flights based on searches. 13% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Missouri to San Antonio.
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Find flight deals from Missouri to San Antonio

Cheapest flights from Missouri to San Antonio
Explore the most affordable flight options available from Missouri to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This Booking.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:04 pm
MCI
-
SAT
1 stop6h 48m
Multiple Airlines
Wed 2/186:12 pm
SAT
-
MCI
1 stop25h 21m
Multiple Airlines
Deal found 1/14$160
This Frontier deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:01 pm
STL
-
SAT
1 stop14h 24m
Frontier
Mon 2/21:20 pm
SAT
-
STL
1 stop7h 30m
Frontier
Deal found 1/14$160
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:49 pm
STL
-
SAT
1 stop8h 10m
Multiple Airlines
Fri 3/66:45 am
SAT
-
STL
1 stop27h 04m
Multiple Airlines
Deal found 1/15$173
This CheapOair deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/285:04 pm
MCI
-
SAT
1 stop6h 48m
Spirit Airlines
Sat 1/316:30 am
SAT
-
MCI
1 stop9h 39m
Spirit Airlines
Deal found 1/14$183
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/245:04 pm
MCI
-
SAT
1 stop6h 48m
Spirit Airlines
Tue 1/276:30 am
SAT
-
MCI
1 stop9h 39m
Spirit Airlines
Deal found 1/14$188
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:49 pm
STL
-
SAT
1 stop8h 10m
Multiple Airlines
Thu 2/268:20 pm
SAT
-
STL
1 stop16h 49m
Multiple Airlines
Deal found 1/15$188
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:24 pm
MCI
-
SAT
1 stop22h 13m
Frontier
Sun 3/15:04 pm
SAT
-
MCI
1 stop16h 49m
Frontier
Deal found 1/15$195
This Frontier deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:54 pm
STL
-
SAT
1 stop5h 43m
Frontier
Fri 2/271:57 pm
SAT
-
STL
1 stop10h 30m
Frontier
Deal found 1/15$195
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:49 pm
STL
-
SAT
1 stop8h 10m
Multiple Airlines
Fri 3/66:45 am
SAT
-
STL
1 stop27h 04m
Multiple Airlines
Deal found 1/15$196
This Gotogate deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:43 pm
MCI
-
SAT
1 stop22h 50m
Frontier
Sun 2/88:24 pm
SAT
-
MCI
1 stop23h 27m
Frontier
Deal found 1/15$204
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:17 pm
STL
-
SAT
2 stops16h 55m
Multiple Airlines
Wed 2/186:00 am
SAT
-
STL
1 stop16h 27m
Multiple Airlines
Deal found 1/13$207
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:22 pm
STL
-
SAT
2 stops27h 37m
Multiple Airlines
Fri 2/2710:48 pm
SAT
-
STL
1 stop18h 58m
Multiple Airlines
Deal found 1/15$208

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Missouri to San Antonio that are best for you.

Fly from

Missouri

Fly to

San Antonio

Route

Depart

Return

Price

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 2/12

8:28 pm-7:37 pm

1 stop23h 09m

San Antonio

Thu 2/19

6:00 am-3:29 pm

1 stop9h 29m

$236

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 2/12

5:32 pm-12:35 am

1 stop7h 03m

San Antonio

Thu 2/19

5:30 am-11:20 am

1 stop5h 50m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 2/19

7:46 pm-11:59 pm

1 stop4h 13m

San Antonio

Mon 2/23

5:00 am-8:59 am

1 stop3h 59m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 2/19

6:00 am-1:08 pm

1 stop7h 08m

San Antonio

Mon 2/23

5:58 pm-10:05 pm

1 stop4h 07m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Tue 3/3

5:32 pm-12:35 am

1 stop7h 03m

San Antonio

Tue 3/10

5:10 am-11:05 am

1 stop5h 55m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Sat 3/7

6:15 am-1:14 pm

1 stop6h 59m

San Antonio

Tue 3/10

1:23 pm-8:21 pm

1 stop6h 58m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Fri 2/6

5:00 pm-12:39 am

1 stop7h 39m

San Antonio

Mon 2/9

1:40 pm-9:46 pm

1 stop8h 06m

$249

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Wed 2/11

6:00 am-10:47 am

1 stop4h 47m

San Antonio

Wed 2/18

1:18 pm-8:26 pm

1 stop7h 08m

$253

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 2/26

4:24 pm-1:12 pm

1 stop20h 48m

San Antonio

Sun 3/1

5:04 pm-9:53 am

1 stop16h 49m

$254

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 7/14

6:00 am-11:10 am

1 stop5h 10m

San Antonio

Tue 7/14

5:50 pm-11:01 pm

1 stop5h 11m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 55 results
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Best time to book a flight from Missouri to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to San Antonio

What is the cheapest month to book a flight from Missouri to San Antonio?

Currently, November is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $144). Flying from Missouri to San Antonio in June is currently the most expensive (average of $210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to SAT?

Find hourly flight availability from Missouri to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2026.

When flying from Missouri to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 38% versus a flight in the evening.

Weekly flight availability from Missouri to San Antonio

Explore weekly flight availability from Missouri to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 16, 2026.

The most flights from USMO to SAT are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Missouri to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Missouri?

    For a flight from Missouri to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city.

  • How popular is this Missouri to San Antonio flight route?

    The Missouri to San Antonio flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Missouri to San Antonio?

    Airlines like Delta, American Airlines, and United Airlines fly from Missouri to San Antonio in about 4h 13m. The time it takes to get you to your destination can typically vary by up to 2h 55m. Airlines will cover a distance of 608 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Missouri to San Antonio?

    While some choose either Lambert-St Louis - San Antonio or Springfield-Branson - San Antonio, Kansas City - San Antonio is the most popular route from Missouri to San Antonio.

  • What are the cheapest flights from Missouri to San Antonio?

    While on average a flight from Missouri to San Antonio is generally $457, our data shows the cheapest flight currently is $316. When looking at the most popular route, (Kansas City - San Antonio), you can expect to pay $160 for that flight.

  • Can I find deals for flights from Missouri to San Antonio that include hotel bookings?

    Yes. In addition to deals on Missouri to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to San Antonio.

  • Can I find deals for business class flights from Missouri to San Antonio?

    Yes. Cheapflights offers flight deals from Missouri to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to San Antonio?

    Currently, November is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $144). Flying from Missouri to San Antonio in June is currently the most expensive (average of $210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Missouri to San Antonio

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Top 5 airlines flying from Missouri to San Antonio

Discover the top 5 airlines that operate flights from Missouri to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$263FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$151Average$214FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$197Average$363FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$392FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$222Average$326FlexibilityNo cancel feeOn-time69%

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