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San Antonio

$75+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap 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 February 28, 2026.

This Expedia deal was found by Cheapflights users on 2/24. 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.
Fri 5/112:07 pm
STL
-
SAT
1 stop7h 23m
Frontier
Sun 5/32:59 pm
SAT
-
STL
1 stop28h 33m
Frontier
Deal found 2/24$160
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 5/48:17 pm
STL
-
SAT
1 stop18h 02m
Frontier
Fri 5/83:14 pm
SAT
-
STL
1 stop27h 58m
Frontier
Deal found 2/26$161
This CheapOair deal was found by Cheapflights users on 2/26. 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.
Mon 4/272:15 pm
MCI
-
SAT
1 stop24h 54m
Frontier
Sun 5/32:59 pm
SAT
-
MCI
1 stop22h 31m
Frontier
Deal found 2/26$171
This Expedia deal was found by Cheapflights users on 2/27. 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.
Wed 3/118:12 pm
STL
-
SAT
1 stop12h 54m
Frontier
Tue 3/172:08 pm
SAT
-
STL
1 stop17h 29m
Frontier
Deal found 2/27$181
This Frontier deal was found by Cheapflights users on 2/24. 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.
Wed 3/258:12 pm
STL
-
SAT
1 stop12h 54m
Frontier
Mon 3/302:13 pm
SAT
-
STL
1 stop9h 06m
Frontier
Deal found 2/24$189
This CheapOair deal was found by Cheapflights users on 2/27. 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.
Sat 4/184:16 pm
STL
-
SAT
1 stop19h 24m
Frontier
Thu 4/233:00 pm
SAT
-
STL
1 stop28h 21m
Frontier
Deal found 2/27$192
This Expedia deal was found by Cheapflights users on 2/25. 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.
Wed 3/258:12 pm
STL
-
SAT
1 stop12h 54m
Frontier
Fri 3/2711:35 am
SAT
-
STL
1 stop23h 44m
Frontier
Deal found 2/25$195
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
MCI
-
SAT
1 stop4h 20m
United Airlines
Wed 5/65:34 pm
SAT
-
MCI
1 stop5h 42m
United Airlines
Deal found 2/24$201
This CheapOair deal was found by Cheapflights users on 2/27. 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 3/188:12 pm
STL
-
SAT
1 stop28h 05m
Frontier
Sun 3/226:45 am
SAT
-
STL
1 stop27h 04m
Frontier
Deal found 2/27$206
This United Airlines deal was found by Cheapflights users on 2/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
STL
-
SAT
1 stop4h 47m
United Airlines
Sat 5/96:02 pm
SAT
-
STL
1 stop4h 28m
United Airlines
Deal found 2/25$207
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
MCI
-
SAT
1 stop4h 20m
United Airlines
Thu 5/74:35 pm
SAT
-
MCI
1 stop7h 24m
United Airlines
Deal found 2/26$212
This Delta deal was found by Cheapflights users on 2/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
STL
-
SAT
1 stop7h 32m
Delta
Wed 5/206:08 am
SAT
-
STL
1 stop8h 23m
Delta
Deal found 2/25$212

Find 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 February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$75
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$367

Good round-trip deal

$336 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Lambert-St Louis-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-San Antonio flights.
Search Deals
From Missouri to San Antonio
Search Deals
One-way flight from Missouri to San Antonio
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Missouri to San Antonio.
Search Deals
Price to beat on a one-way flight from Missouri to San Antonio.
Search Deals

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 February 28, 2026.
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

Wed 4/29

6:00 am-1:08 pm

2 stops7h 08m

San Antonio

Wed 5/6

9:50 am-2:01 pm

1 stop4h 11m

$206

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 6/4

6:52 pm-12:44 am

1 stop5h 52m

San Antonio

Tue 6/9

5:30 pm-10:35 pm

1 stop5h 05m

$249

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Tue 4/28

5:00 am-12:24 pm

1 stop7h 24m

San Antonio

Tue 5/5

2:00 pm-9:58 pm

1 stop7h 58m

$258

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Wed 6/3

9:14 am-4:55 pm

1 stop7h 41m

San Antonio

Wed 6/10

6:40 am-2:30 pm

1 stop7h 50m

$258

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Tue 6/2

9:14 am-4:55 pm

1 stop7h 41m

San Antonio

Tue 6/9

6:40 am-2:30 pm

1 stop7h 50m

$258

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 3/31

4:48 pm-12:38 am

1 stop7h 50m

San Antonio

Sun 4/5

5:10 am-12:27 pm

1 stop7h 17m

$267

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 4/2

5:15 am-12:00 pm

1 stop6h 45m

San Antonio

Fri 4/3

12:40 pm-6:50 pm

2 stops6h 10m

$272

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 4/7

9:10 am-7:48 pm

2 stops10h 38m

San Antonio

Sat 4/11

6:02 pm-10:28 pm

1 stop4h 26m

$287

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 3/10

6:00 am-10:47 am

1 stop4h 47m

San Antonio

Thu 3/12

2:15 pm-9:07 pm

1 stop6h 52m

$292

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 5/25

5:13 pm-12:44 am

1 stop7h 31m

San Antonio

Fri 5/29

6:10 pm-11:16 pm

1 stop5h 06m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 56 resultsSorted by cheapest first
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6

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 March is currently the most expensive (average of $208). 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 February 28, 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 39% 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 February 28, 2026.

The most flights from USMO to SAT are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, 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 9 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, United Airlines, and Southwest fly from Missouri to San Antonio in about 6h 45m. The time it takes to get you to your destination can typically vary by up to 39m. Airlines will cover a distance of 786 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Missouri to San Antonio one-way?

    $64 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $88 and $98, respectively.

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

    While some choose either Kansas City - San Antonio or Springfield-Branson - San Antonio, Lambert-St Louis - 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 $300. When looking at the most popular route, (Lambert-St Louis - San Antonio), you can expect to pay $197 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 March is currently the most expensive (average of $208). 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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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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$263FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$151Average$201FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$372FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$207Average$367FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$222Average$305FlexibilityNo cancel feeOn-time69%

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