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Uncover the best deals on St Louis to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - SAT Flights
Useful information for finding best airline tickets from Lambert St Louis International to San Antonio International on your next trip.
Cheapest One way Flight
$244
American Airlines
• 1 stop
• 20h 16m
Jul 15
The cheapest one way flight from St Louis to San Antonio (STL-SAT) is currently $244
Fastest Flight
15h 9m
The fastest nonstop flight from St Louis to San Antonio (STL-SAT) takes 15h 9m
Top Airlines Flying from St Louis to San Antonio
Latest Flight Deals from St Louis (STL) to San Antonio (SAT)
Explore competitive one-way airfare options for STL - SAT flights. Best suited for flexible or open-ended travel plans.
Flying to San Antonio soon? We've surfaced some of the most affordable last-minute flights from St Louis to San Antonio, ideal for urgent plans or spontaneous trips.
FAQs on St Louis to San Antonio Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to SAT?
The most popular airline flying from St Louis to San Antonio are
Can I fly from STL to SAT non-stop?
NO
Which airlines fly nonstop between St Louis and San Antonio?
The non-stop flights between St Louis and San Antonio are .
What’s the earliest departure time from STL to SAT Airport?
The earliest flight leaves STL at 1:14 pm and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my St Louis to San Antonio flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to SAT?
Read the fare rules of the St Louis to San Antonio air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and San Antonio?
operate flights between St Louis and San Antonio
How long does a flight from St Louis to San Antonio take?
It takes approximately 2 hour to fly non-stop from STL to SAT, which is 785.93 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from STL were found on UA : USD 296
Do I need a passport to fly between STL and SAT?
No
What’s the latest departure time from STL to SAT ?
The last flight leaves STL at 10:400 pm
St Louis (STL) to San Antonio (SAT): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 786 miles |
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