San Antonio

$118+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Jul 21 — Jul 281
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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 June 21, 2026.

This Frontier deal was found by Cheapflights users on 6/17. 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 9/1012:46 pm
STL
-
SAT
1 stop8h 53m
Frontier
Mon 9/149:57 am
SAT
-
STL
1 stop9h 42m
Frontier
Deal found 6/17$244
This Expedia deal was found by Cheapflights users on 6/18. 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 7/151:45 pm
MCI
-
SAT
1 stop4h 59m
Frontier
Sat 7/187:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/18$248
This CheapOair deal was found by Cheapflights users on 6/18. 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 7/151:45 pm
MCI
-
SAT
1 stop4h 59m
Frontier
Wed 7/227:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/18$250
This CheapOair deal was found by Cheapflights users on 6/21. 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.
Thu 9/35:02 pm
STL
-
SAT
1 stop15h 54m
Frontier
Tue 9/810:24 pm
SAT
-
STL
1 stop13h 27m
Frontier
Deal found 6/21$250
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/236:20 am
MCI
-
SAT
1 stop5h 19m
Delta
Wed 9/305:30 am
SAT
-
MCI
1 stop7h 51m
Delta
Deal found 6/21$253
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Tue 7/148:08 pm
STL
-
SAT
1 stop22h 36m
Frontier
Tue 7/219:32 pm
SAT
-
STL
1 stop20h 33m
Frontier
Deal found 6/18$254
This CheapOair deal was found by Cheapflights users on 6/17. 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 8/191:45 pm
MCI
-
SAT
1 stop5h 11m
Frontier
Sat 8/227:51 pm
SAT
-
MCI
1 stop17h 09m
Frontier
Deal found 6/17$255
This CheapOair deal was found by Cheapflights users on 6/20. 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 7/111:45 pm
MCI
-
SAT
1 stop4h 59m
Frontier
Tue 7/147:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/20$260
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Thu 8/131:45 pm
MCI
-
SAT
1 stop5h 09m
Frontier
Sun 8/167:49 pm
SAT
-
MCI
1 stop17h 11m
Frontier
Deal found 6/18$263
This CheapOair deal was found by Cheapflights users on 6/20. 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 8/38:08 pm
STL
-
SAT
1 stop22h 36m
Frontier
Thu 8/67:49 pm
SAT
-
STL
1 stop23h 34m
Frontier
Deal found 6/20$264
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Fri 7/31:45 pm
MCI
-
SAT
1 stop5h 11m
Frontier
Sun 7/59:32 pm
SAT
-
MCI
1 stop18h 15m
Frontier
Deal found 6/18$266
This Southwest deal was found by Cheapflights users on 6/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:55 pm
MCI
-
SAT
Nonstop2h 00m
Southwest
Mon 10/54:30 pm
SAT
-
MCI
1 stop6h 30m
Southwest
Deal found 6/20$268

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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Frontier)

One-way from

$118
(Super.com)

Popular in

July

Cheapest in

August

Average price

$379

Good round-trip deal

$309 or less

Good one-way deal

$226 or less
Provider with most accurate pricing for Lambert-St Louis-San Antonio flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-San Antonio flights.
From Missouri to San Antonio
One-way flight from Missouri to San Antonio
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Missouri to San Antonio.
Price to beat on a one-way flight from Missouri to San Antonio.

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 June 21, 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

Cheapest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 7/29

1:50 pm-3:50 pm

Nonstop2h 00m

San Antonio

Fri 7/31

6:30 pm-12:55 am

1 stop6h 25m

$269

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 7/15

1:50 pm-3:50 pm

Nonstop2h 00m

San Antonio

Sat 7/18

5:00 am-1:25 pm

1 stop8h 25m

$280

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Thu 7/9

5:19 pm-11:04 pm

1 stop5h 45m

San Antonio

Mon 7/13

7:00 am-11:14 am

1 stop4h 14m

$298

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sun 8/30

2:45 pm-9:55 pm

1 stop7h 10m

San Antonio

Tue 9/1

11:40 am-1:40 pm

Nonstop2h 00m

$300

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/18

5:08 pm-10:50 pm

1 stop5h 42m

San Antonio

Wed 8/19

6:30 am-2:18 pm

1 stop7h 48m

$333

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Sat 7/4

9:30 am-2:57 pm

1 stop5h 27m

San Antonio

Wed 7/8

5:01 am-8:51 am

1 stop3h 50m

$339
Quickest round-trip

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Fri 7/17

2:55 pm-4:55 pm

Nonstop2h 00m

San Antonio

Sun 7/19

6:50 pm-8:45 pm

Nonstop1h 55m

$357

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Fri 7/3

3:25 pm-10:57 pm

1 stop7h 32m

San Antonio

Tue 7/7

5:32 pm-11:33 pm

1 stop6h 01m

$358

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 9/1

7:30 am-3:43 pm

2 stops8h 13m

San Antonio

Wed 9/2

4:39 pm-11:30 pm

1 stop6h 51m

$360

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Wed 7/8

1:40 pm-8:54 pm

1 stop7h 14m

San Antonio

Wed 7/15

5:30 am-10:03 am

1 stop4h 33m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $77). Flying from Missouri to San Antonio in December is currently the most expensive (average of $239). 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 June 21, 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.

How much does it cost to fly round-trip from Missouri to San Antonio?

How far ahead should I book a flight from Missouri to San Antonio?

The best time to book flights from Missouri to San Antonio is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 long is the flight from Missouri to San Antonio?

    Airlines like Southwest, American Airlines, and United Airlines fly from Missouri to San Antonio in about 2h. The time it takes to get you to your destination can typically vary by up to 5h 33m. Airlines will cover a distance of 707 mi. This flight may include one or multiple stops.

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

    $65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $103 and $118, respectively.

  • What are the most popular routes 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 $419, our data shows the cheapest flight currently is $193. When looking at the most popular route, (Lambert-St Louis - San Antonio), you can expect to pay $303 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, October is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $77). Flying from Missouri to San Antonio in December is currently the most expensive (average of $239). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$111Average$270FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$153Average$274FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$199Average$328FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$207Average$390FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$224Average$419FlexibilityNo cancel feeOn-time71%

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