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San Antonio

$99+ 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.
STL — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$197
(Southwest)

One-way from

$99
(Southwest)

Popular in

November

Cheapest in

August

Average price

$366

Good round-trip deal

$354 or less

Good one-way deal

$158 or less
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. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Missouri to San Antonio.
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Price to beat on a one-way 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 9/87:10 pmSTL - SAT
Nonstop2h 05mSouthwest
Thu 9/114:30 pmSAT - STL
Nonstop2h 10mSouthwest
Deal found 6/11$197
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:37 amSTL - SAT
1 stop3h 35mAmerican Airlines
Sat 7/57:35 pmSAT - STL
1 stop4h 39mAmerican Airlines
Deal found 6/10$199
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 10/145:28 pmSTL - SAT
1 stop5h 26mUnited Airlines
Tue 10/215:56 pmSAT - STL
1 stop4h 03mUnited Airlines
Deal found 6/10$217
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:13 pmSTL - SAT
2 stops16h 24mSpirit Airlines
Wed 7/212:32 pmSAT - STL
2 stops28h 32mSpirit Airlines
Deal found 6/10$232
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:08 pmMCI - SAT
1 stop8h 56mSpirit Airlines
Fri 9/265:20 amSAT - MCI
1 stop12h 18mSpirit Airlines
Deal found 6/11$234
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/1411:50 amMCI - SAT
Nonstop1h 55mSouthwest
Sun 8/1711:20 amSAT - MCI
Nonstop1h 55mSouthwest
Deal found 6/11$238
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 10/135:40 pmSTL - SAT
1 stop6h 45mDelta
Tue 10/216:45 amSAT - STL
1 stop5h 40mDelta
Deal found 6/10$239
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/123:56 pmMCI - SAT
1 stop5h 22mDelta
Tue 8/192:10 pmSAT - MCI
1 stop7h 08mDelta
Deal found 6/11$241
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:26 pmSTL - SAT
1 stop7h 08mMultiple Airlines
Fri 7/115:38 pmSAT - STL
1 stop20h 21mMultiple Airlines
Deal found 6/11$247
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:00 amSGF - SAT
1 stop3h 25mAmerican Airlines
Tue 7/85:00 amSAT - SGF
1 stop4h 52mAmerican Airlines
Deal found 6/11$249
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/146:30 pmMCI - SAT
1 stop4h 29mUnited Airlines
Sun 8/175:30 amSAT - MCI
1 stop6h 33mUnited Airlines
Deal found 6/11$253
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/256:29 pmJLN - SAT
1 stop5h 27mUnited Airlines
Sun 6/295:20 pmSAT - JLN
1 stop6h 20mUnited Airlines
Deal found 6/10$254

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 12, 2025.
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

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Mon 9/8

7:10 pm-9:15 pm

Nonstop2h 05m

San Antonio

Thu 9/11

4:30 pm-6:40 pm

Nonstop2h 10m

$197

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 7/1

5:37 am-9:12 am

1 stop3h 35m

San Antonio

Sat 7/5

7:35 pm-12:14 am

1 stop4h 39m

$199

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Sun 8/24

6:15 am-10:37 am

1 stop4h 22m

San Antonio

Thu 8/28

4:22 pm-10:08 pm

1 stop5h 46m

$228

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Mon 6/30

7:13 pm-11:37 am

2 stops16h 24m

San Antonio

Wed 7/2

12:32 pm-5:04 pm

2 stops28h 32m

$232

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/14

11:50 am-1:45 pm

Nonstop1h 55m

San Antonio

Sun 8/17

11:20 am-1:15 pm

Nonstop1h 55m

$238

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/12

3:56 pm-9:18 pm

1 stop5h 22m

San Antonio

Tue 8/19

2:10 pm-9:18 pm

1 stop7h 08m

$241

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 7/10

5:26 pm-12:34 am

1 stop7h 08m

San Antonio

Fri 7/11

5:38 pm-1:59 pm

1 stop20h 21m

$247

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Thu 7/10

9:27 am-5:06 pm

1 stop7h 39m

San Antonio

Thu 7/17

6:11 pm-11:53 pm

1 stop5h 42m

$249

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Fri 7/4

5:00 am-8:25 am

1 stop3h 25m

San Antonio

Tue 7/8

5:00 am-9:52 am

1 stop4h 52m

$249

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 8/14

6:30 pm-10:59 pm

1 stop4h 29m

San Antonio

Sun 8/17

5:30 am-12:03 pm

1 stop6h 33m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 42 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, August is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $295). Flying from Missouri to San Antonio in March is currently the most expensive (average of $376). 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 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to San Antonio as you normally would.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Missouri to San Antonio have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $99 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $100 and $104, respectively.

  • 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 $307, our data shows the cheapest flight currently is $172. When looking at the most popular route, (Kansas City - San Antonio), you can expect to pay $234 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, August is the cheapest month in which you can book a flight from Missouri to San Antonio (average of $295). Flying from Missouri to San Antonio in March is currently the most expensive (average of $376). 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 Missouri?

Book flights to Missouri if you plan to visit one of these locations
New Braunfels

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Alternative routes for Missouri to San Antonio

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Top 6 airlines flying from Missouri to San Antonio

Discover the top 6 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$303FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$128Average$215FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$137Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$181Average$373FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$381FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$218Average$355FlexibilityNo cancel feeOn-time69%

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