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Cheap Flights from San Antonio to St Louis, MO, United States - SAT to STL

Popular flights from San Antonio to St Louis

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
Aug 17, 2016 Aug 24, 2016 $238
Aug 19, 2016 Aug 23, 2016 $238
United Airlines
Departure Date Return Date Lowest Price
Jun 1, 2016 Jun 8, 2016 $240
Jun 29, 2016 Jul 8, 2016 $240
Jul 11, 2016 Jul 19, 2016 $240
Jul 12, 2016 Jul 20, 2016 $240
Jul 25, 2016 Aug 1, 2016 $240

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

We have collected flight cost data from across the web for travel from San Antonio to St Louis, and have found the average flight price for this trip to be $247.

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

Airlines can adjust prices for plane tickets from San Antonio to St Louis 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 San Antonio to St Louis

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$240 $240 $240 $265 $240 $250 $254

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

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 San Antonio to St Louis. 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 San Antonio to St Louis is $120.

The average price for round trip flights from San Antonio to St Louis is $250.

San Antonio to St Louis Flight Questions

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

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

Airlines Flying from San Antonio to St Louis (SAT to STL)

Below are the different airlines that fly from San Antonio to St Louis 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 San Antonio to St Louis.

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

Airports for Your Route

These pages contain information about the major airports in San Antonio and St Louis, 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 San Antonio - SAT

FlightsAirlineLowest Price
San Antonio to Chicago American, Alaska, United $277
San Antonio to Atlanta American, Alaska, Frontier, United $88
San Antonio to Dallas - Ft Worth American, United $173

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Houston to St Louis American, Alaska, United $278
Austin to St Louis American, Alaska, United $240
Killeen to St Louis American, Alaska, United $270
Corpus Christi to St Louis American, Alaska, United $430
San Angelo to St Louis American, Alaska $353
Laredo to St Louis American, Alaska, United Check Dates
Houston to Chicago American, Alaska, Spirit, United $127
Houston to New York American, Alaska, JetBlue, United $282
Houston to Atlanta American, Alaska, Frontier, Spirit, United $88
Austin to Chicago American, Alaska, Frontier, United $128
Houston to Dallas - Ft Worth American, Alaska, United $172
Houston to Los Angeles American, Alaska, Frontier, Spirit, United $196
Austin to Atlanta American, Alaska, Frontier, United $98
Houston to Denver American, Alaska, Frontier, Spirit, United $89
Houston to Nashville American, United $319
Austin to New York American, Alaska, JetBlue, United $194
Houston to Indianapolis American, United $288
Houston to Detroit American, Alaska, Spirit, United $217
Houston to Washington American, Alaska, JetBlue, United $211
Houston to Kansas City United $223
Houston to Las Vegas American, Alaska, Frontier, Spirit, United $85
Houston to Minneapolis - St Paul American, Alaska, Spirit, United $177
Houston to Memphis American, United $266
Austin to Dallas - Ft Worth American, Alaska $141
Houston to Orlando American, Alaska, JetBlue, Spirit, United $127
Houston to Springfield American, United Check Dates
Houston to Charlotte American, JetBlue, United $337
Cheap Flights from San Antonio to St Louis, MO, United States, from $238 Round trip from SAT to STL