STL to SAT (St. Louis to San Antonio) Flights

Last Minute Flights from STL to SAT

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLSan AntonioSeptember 20 to September 23$387
*Prices include taxes and fees

Cheapest STL to SAT Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLSan AntonioNovember 23 to November 27$146
STLSan AntonioOctober 28 to October 29$155
STLSan AntonioNovember 11 to November 13$172
STLSan AntonioOctober 24 to October 26$189
STLSan AntonioNovember 5 to November 8$259
*Prices include taxes and fees
STL to SAT Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
San Antonio Intl.
Destination airport IATA code
SAT
Distance
786 mi

Frequently asked questions

What airlines fly direct from Lambert Field to SAT?
Unfortunately, there aren't any airlines flying straight from Lambert-St. Louis Intl. Airport (STL) to San Antonio Airport. If you want to reach San Antonio, search for a flight with one or more stops.
How many flights are there from STL to SAT?
About 59 a day. If you're in a big hurry to reach San Antonio, see if you can pick up a great last-minute deal from St. Louis, MO (STL-Lambert-St. Louis Intl.) to San Antonio, TX (SAT-San Antonio Intl.) and then secure it pronto!
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
You'll barely have enough time for a few z's on this trip of 5 hours and 24 minutes. St. Louis, MO (STL-Lambert-St. Louis Intl.) to San Antonio, TX (SAT-San Antonio Intl.) is classed as a short-haul flight.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to San Antonio, TX (SAT-San Antonio Intl.)?
St. Louis, MO (STL-Lambert-St. Louis Intl.) to San Antonio, TX (SAT-San Antonio Intl.) is a short-haul flight of 790 miles (1,250 1). You'll barely have enough time to relax in your seat before touching down in San Antonio.
How many morning flights are there from STL to SAT?
With around 220 morning flights per week from STL to SAT to choose from, you'll be springing out of bed and taking to the skies in a blink of an eye.

  • If you're planning to jet off with American Airlines (AA), it has 86 weekly services that take off before noon. The 5:00AM flight is the first one of the day.
  • 5:36AM is the earliest time you can travel from STL to SAT with Delta Air Lines (DL). This airline has 59 early flights a week.
  • You'll have approximately 59 morning flights to pick from if you book a ticket with United Airlines (UA). 6:00AM is the earliest departure.

How many afternoon flights are there from STL to SAT?
If the words "early in the morning" just aren't in your vocabulary, take one of the 193 weekly afternoon and evening flights from STL to SAT.

  • American Airlines (AA) offers 68 weekly flights that jet off after midday. The earliest departs at 12:03PM.
  • You can also pick from the 56 afternoon and evening flights with Delta Air Lines (DL) every week. 12:00PM is the first scheduled time of departure.
  • One more popular choice is United Airlines (UA). It offers 49 afternoon and evening flights each week from 12:20PM onward.

What is the earliest departure time out of St. Louis to San Antonio?
Fly out of STL at 5:00AM and come in for landing at SAT at 11:50PM. This is the earliest departure you can book on this route.
What is the latest departure time out of St. Louis to San Antonio?
From STL, the latest flight leaves at 10:59PM and arrives at 6:36PM at SAT. If you don't enjoy early starts, this is the flight to catch.
What is the average price from St. Louis to San Antonio?
Round-trip tickets from STL to SAT begin from around $146. Book your trip today and score a sensational deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to San Antonio Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to San Antonio to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to SAT, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to San Antonio, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.