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Cheap Flights from St Louis to San Antonio, TX, United States - STL to SAT Last modified: May 25, 2016 1:45 PM

Popular flights from St Louis to San Antonio Last modified: May 25, 2016 1:45 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
Sep 1, 2016 Sep 4, 2016 $269
Sep 1, 2016 Sep 5, 2016 $269
United Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Aug 29, 2016 $250

How Much Does it Cost to Fly from St Louis to San Antonio (STL to SAT)?

We have collected flight cost data from across the web for travel from St Louis to San Antonio, and have found the average flight price for this trip to be $292.

When Can I Buy the Cheapest Flight from St Louis to San Antonio (STL to SAT)?

Airlines can adjust prices for plane tickets from St Louis to San Antonio based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to San Antonio

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to San Antonio.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$294 $286 $286 $296 $286 $296 $294

Lowest Fares Chart By Month from St Louis to San Antonio

The chart below shows the lowest fare by month when flying from St Louis to San Antonio.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May St Louis San Antonio United 5/28/16 5/30/16 1 $626
June St Louis San Antonio American 6/15/16 6/22/16 1 $286
July St Louis San Antonio American 7/26/16 8/2/16 1 $286
August St Louis San Antonio United 8/25/16 8/29/16 1 $250
September St Louis San Antonio United 9/29/16 10/5/16 1 $250
October St Louis San Antonio United 10/8/16 10/12/16 1 $250
November St Louis San Antonio United 11/25/16 11/28/16 1 $371
December St Louis San Antonio United 12/2/16 12/5/16 1 $286

Round Trip vs One Way Flights from St Louis to San Antonio (STL to SAT)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to San Antonio. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from St Louis to San Antonio is $143.

The average price for round trip flights from St Louis to San Antonio is $286.

St Louis to San Antonio Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to San Antonio?
Answer: Chicago, IL

Airlines Flying from St Louis to San Antonio (STL to SAT) Number of flights searched: 160Last modified: May 25, 2016 1:45 PM

Below are the different airlines that fly from St Louis to San Antonio with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to San Antonio.

St Louis to San Antonio
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Delta ATL X X X X X X X
Delta CVG / DTW X X X X X X
Frontier DEN X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest DAL X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and San Antonio, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Dallas - Ft Worth American, Alaska, United $203
St Louis to Austin American, Alaska, United $250
St Louis to Houston American, Alaska, United $270
St Louis to Atlanta American, Alaska, Frontier, United $98
St Louis to Chicago American, Alaska, United $213
St Louis to Killeen American, Alaska, United $280
St Louis to Denver American, Alaska, Frontier, United $128
St Louis to Las Vegas American, Alaska, Frontier, United $108
St Louis to Phoenix American, Alaska, Frontier, United $244
St Louis to Corpus Christi American, Alaska, United $260
St Louis to New York American, Alaska, United $235
St Louis to Los Angeles American, Alaska, Frontier, United $244

Cheap Domestic Flights to San Antonio - SAT

Cheap Flights from St Louis to San Antonio, TX, United States, from $250 Round trip from STL to SAT