HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$91+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SAT
jul. 6 — jul. 131
dom. 7/6
dom. 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 1, 2025.

Round-trip from

$197
(United Airlines)

One-way from

$91
(Priceline)

Popular in

November

Cheapest in

August

Average price

$334

Good round-trip deal

$360 or less

Good one-way deal

$220 or less
From Missouri to San Antonio
Search Deals
One-way flight from Missouri to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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

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 julio 1, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
lun. 8/46:30 pmMCI - SAT
1 stop4h 29mUnited Airlines
jue. 8/75:20 pmSAT - MCI
1 stop5h 54mUnited Airlines
Deal found 7/1$197
This Southwest deal was found by Cheapflights users on 6/29. 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.
jue. 9/257:10 pmSTL - SAT
Nonstop2h 05mSouthwest
lun. 9/295:00 amSAT - STL
Nonstop2h 10mSouthwest
Deal found 6/29$197
This United Airlines deal was found by Cheapflights users on 6/30. 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.
lun. 9/226:15 amSTL - SAT
1 stop4h 22mUnited Airlines
mar. 9/301:41 pmSAT - STL
1 stop7h 05mUnited Airlines
Deal found 6/30$202
This Southwest deal was found by Cheapflights users on 6/30. 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.
mié. 9/246:20 amMCI - SAT
1 stop7h 45mSouthwest
mié. 10/112:35 pmSAT - MCI
Nonstop1h 55mSouthwest
Deal found 6/30$207
This Delta deal was found by Cheapflights users on 6/29. 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.
jue. 9/253:40 pmSTL - SAT
1 stop6h 39mDelta
lun. 9/293:25 pmSAT - STL
1 stop5h 50mDelta
Deal found 6/29$207
This FlightHub deal was found by Cheapflights users on 6/30. 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.
mié. 7/306:00 amMCI - SAT
1 stop7h 06mSpirit Airlines
mié. 8/62:11 pmSAT - MCI
1 stop10h 01mSpirit Airlines
Deal found 6/30$219
This Delta deal was found by Cheapflights users on 6/30. 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.
mar. 8/55:45 amMCI - SAT
1 stop8h 09mDelta
sáb. 8/95:25 amSAT - MCI
1 stop5h 22mDelta
Deal found 6/30$224
This American Airlines deal was found by Cheapflights users on 7/1. 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.
vie. 8/295:32 pmSTL - SAT
1 stop6h 06mAmerican Airlines
lun. 9/16:24 pmSAT - STL
1 stop5h 27mAmerican Airlines
Deal found 7/1$228
This FlightHub deal was found by Cheapflights users on 6/30. 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.
vie. 8/157:29 pmSTL - SAT
1 stop22h 33mMultiple Airlines
dom. 8/1712:39 pmSAT - STL
1 stop24h 53mMultiple Airlines
Deal found 6/30$240
This CheapOair deal was found by Cheapflights users on 7/1. 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.
jue. 8/72:36 pmSTL - SAT
1 stop26h 16mFrontier
lun. 8/115:38 pmSAT - STL
2 stops30h 09mFrontier
Deal found 7/1$246
This FlightHub deal was found by Cheapflights users on 6/30. 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.
vie. 8/18:01 pmMCI - SAT
1 stop22h 01mMultiple Airlines
mar. 8/52:11 pmSAT - MCI
1 stop10h 01mMultiple Airlines
Deal found 6/30$249
This American Airlines deal was found by Cheapflights users on 6/29. 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.
vie. 8/223:45 pmSGF - SAT
1 stop5h 54mAmerican Airlines
dom. 8/245:00 amSAT - SGF
1 stop3h 45mAmerican Airlines
Deal found 6/29$249

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 julio 1, 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

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

lun. 8/4

6:30 pm-10:59 pm

1 stop4h 29m

San Antonio

jue. 8/7

5:20 pm-11:14 pm

1 stop5h 54m

$197

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

jue. 9/25

7:10 pm-9:15 pm

Nonstop2h 05m

San Antonio

lun. 9/29

5:00 am-7:10 am

Nonstop2h 10m

$197

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

lun. 9/22

6:15 am-10:37 am

1 stop4h 22m

San Antonio

mar. 9/30

1:41 pm-8:46 pm

1 stop7h 05m

$202

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

mié. 9/24

6:30 am-11:50 am

1 stop5h 20m

San Antonio

mié. 10/1

6:02 pm-11:05 pm

1 stop5h 03m

$207

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

jue. 9/25

3:40 pm-10:19 pm

1 stop6h 39m

San Antonio

lun. 9/29

3:25 pm-9:15 pm

1 stop5h 50m

$207

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

mié. 7/30

6:00 am-1:06 pm

1 stop7h 06m

San Antonio

mié. 8/6

2:11 pm-12:12 am

1 stop10h 01m

$219

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

vie. 8/29

5:32 pm-11:38 pm

1 stop6h 06m

San Antonio

lun. 9/1

6:24 pm-11:51 pm

1 stop5h 27m

$228

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

jue. 8/28

11:50 am-1:45 pm

Nonstop1h 55m

San Antonio

lun. 9/1

12:05 pm-2:00 pm

Nonstop1h 55m

$238

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

vie. 8/15

7:29 pm-6:02 pm

1 stop22h 33m

San Antonio

dom. 8/17

12:39 pm-1:32 pm

1 stop24h 53m

$240

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

jue. 8/7

2:36 pm-4:52 pm

1 stop26h 16m

San Antonio

lun. 8/11

5:38 pm-11:47 pm

2 stops30h 09m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 35 results
1
2
3
4

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 julio 1, 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.

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 julio 1, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,974 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,100 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    $91 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Spirit Airlines, with prices starting from $94 and $98, 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 $417, our data shows the cheapest flight currently is $197. When looking at the most popular route, (Kansas City - 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, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Newark to Hobby flights
John F Kennedy Intl to Hobby flights
Los Angeles to Hobby flights
Orlando to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
LaGuardia to Hobby flights
Midway to Dallas/Fort Worth flights
Baltimore to Hobby flights
Reagan-National to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
Detroit to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
Philadelphia to Dallas/Fort Worth flights
Newark to George Bush Intcntl flights
Boston to Hobby flights
Atlanta to Hobby flights
O'Hare Intl to George Bush Intcntl flights
LaGuardia to George Bush Intcntl flights
Santa Ana to Dallas/Fort Worth flights
Seattle to Hobby flights
Dulles Intl to Hobby flights
John F Kennedy Intl to George Bush Intcntl flights
Los Angeles to Austin flights
Burbank to Dallas/Fort Worth flights
O'Hare Intl to Hobby flights
John F Kennedy Intl to Austin flights
Ontario to Hobby flights
Sacramento to Dallas/Fort Worth flights
Reagan-National to Austin flights
LaGuardia to Love Field flights
Minneapolis to Dallas/Fort Worth flights
Boston to Dallas/Fort Worth flights
Ontario to George Bush Intcntl flights
Boston to George Bush Intcntl flights
Charlotte to Dallas/Fort Worth flights
Newark to Austin flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Austin flights
Reagan-National to Hobby flights
Baltimore to Austin flights

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 julio 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$124Average$303FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$128Average$214FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$137Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$187Average$371FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$383FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$217Average$368FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.