San Antonio

$111+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — SAT
Jul 10 — Jul 171
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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 10, 2026.

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.
Wed 9/236:30 am
MCI
-
SAT
1 stop5h 14m
Delta
Wed 9/306:15 am
SAT
-
MCI
1 stop5h 13m
Delta
Deal found 6/10$221
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/196:20 am
MCI
-
SAT
1 stop4h 16m
United Airlines
Sat 8/221:45 pm
SAT
-
MCI
1 stop6h 54m
United Airlines
Deal found 6/8$242
This Southwest deal was found by Cheapflights users on 6/7. 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 9/228:45 pm
STL
-
SAT
Nonstop2h 10m
Southwest
Tue 9/293:30 pm
SAT
-
STL
Nonstop2h 10m
Southwest
Deal found 6/7$251
This Southwest deal was found by Cheapflights users on 6/8. 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.
Wed 8/194:55 pm
MCI
-
SAT
Nonstop2h 00m
Southwest
Sat 8/229:45 am
SAT
-
MCI
1 stop4h 05m
Southwest
Deal found 6/8$254
This Delta deal was found by Cheapflights users on 6/9. 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 8/1812:18 pm
MCI
-
SAT
1 stop4h 53m
Delta
Fri 8/215:20 am
SAT
-
MCI
1 stop5h 57m
Delta
Deal found 6/9$263
This Southwest deal was found by Cheapflights users on 6/8. 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 8/173:55 pm
MCI
-
SAT
1 stop6h 20m
Southwest
Thu 8/207:10 am
SAT
-
MCI
1 stop3h 55m
Southwest
Deal found 6/8$264
This Mytrip deal was found by Cheapflights users on 6/9. 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.
Tue 7/74:58 pm
MCI
-
SAT
1 stop25h 46m
Frontier
Tue 7/147:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/9$267
This CheapOair deal was found by Cheapflights users on 6/7. 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 7/81:45 pm
MCI
-
SAT
1 stop4h 59m
Frontier
Wed 7/157:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/7$268
This CheapOair deal was found by Cheapflights users on 6/9. 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 7/147:03 pm
STL
-
SAT
1 stop25h 34m
Frontier
Tue 7/219:32 pm
SAT
-
STL
1 stop20h 33m
Frontier
Deal found 6/9$268
This Southwest deal was found by Cheapflights users on 6/9. 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 8/189:20 am
MCI
-
SAT
1 stop5h 15m
Southwest
Fri 8/213:30 pm
SAT
-
MCI
2 stops6h 35m
Southwest
Deal found 6/9$269
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/64:32 pm
MCI
-
SAT
1 stop28h 05m
Frontier
Sat 7/117:39 pm
SAT
-
MCI
1 stop17h 21m
Frontier
Deal found 6/6$272
This CheapOair deal was found by Cheapflights users on 6/9. 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 7/91:45 pm
MCI
-
SAT
1 stop4h 59m
Frontier
Wed 7/159:32 pm
SAT
-
MCI
1 stop18h 15m
Frontier
Deal found 6/9$273

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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Delta)

One-way from

$111
(Delta)

Popular in

July

Cheapest in

August

Average price

$409

Good round-trip deal

$405 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. 2% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 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 10, 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

Mon 8/17

11:40 am-1:40 pm

Nonstop2h 00m

San Antonio

Thu 8/20

7:45 pm-11:15 pm

1 stop3h 30m

$291

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/11

3:14 pm-10:51 pm

1 stop7h 37m

San Antonio

Wed 8/12

6:30 am-2:18 pm

1 stop7h 48m

$301

ColumbiaSan Antonio

COU - SAT

COUSAT

Columbia Regional

Thu 7/9

5:19 pm-11:04 pm

1 stop5h 45m

San Antonio

Mon 7/13

6:01 am-11:14 am

1 stop5h 13m

$308

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Mon 8/17

11:40 am-1:40 pm

Nonstop2h 00m

San Antonio

Fri 8/21

1:00 pm-4:35 pm

1 stop3h 35m

$312

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Fri 7/3

4:08 pm-12:33 am

1 stop8h 25m

San Antonio

Mon 7/6

2:40 pm-10:09 pm

1 stop7h 29m

$324

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Sat 7/4

6:15 am-1:10 pm

2 stops6h 55m

San Antonio

Sat 7/11

4:40 pm-11:30 pm

1 stop6h 50m

$340

St. LouisSan Antonio

STL - SAT

STLSAT

Lambert-St Louis

Tue 8/18

6:15 am-10:37 am

1 stop4h 22m

San Antonio

Wed 8/19

5:30 am-3:38 pm

2 stops10h 08m

$342

SpringfieldSan Antonio

SGF - SAT

SGFSAT

Springfield-Branson

Thu 9/17

6:49 pm-11:55 pm

1 stop5h 06m

San Antonio

Sun 9/20

5:00 am-9:08 am

1 stop4h 08m

$354

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Thu 7/9

6:15 am-1:15 pm

1 stop7h 00m

San Antonio

Wed 7/15

11:25 am-1:20 pm

Nonstop1h 55m

$361

Kansas CitySan Antonio

MCI - SAT

MCISAT

Kansas City

Tue 8/18

4:55 pm-6:55 pm

Nonstop2h 00m

San Antonio

Fri 8/21

5:40 pm-11:15 pm

1 stop5h 35m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 56 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 10, 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 afternoon, 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, United Airlines, and American 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 37m. 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 American Airlines and Delta, with prices starting from $98 and $103, 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 $378, our data shows the cheapest flight currently is $142. When looking at the most popular route, (Lambert-St Louis - San Antonio), you can expect to pay $309 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$111Average$268FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$153Average$274FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$328FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$207Average$387FlexibilityNo cancel feeOn-time63%

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