Cheap flights from St. Louis to San Antonio (STL - SAT)

Flight FAQs

From St. Louis to San Antonio

What airports do I use to fly from St. Louis to San Antonio?

Booking a flight from Lambert-St Louis (STL) to San Antonio (SAT) is your only option if you wish to fly from St. Louis to San Antonio. On a typical day, there is 1 flight from Lambert-St Louis to San Antonio, all of which are around 4h 19m for a nonstop flight. You can also purchase a plane ticket from 7 airlines when you book a flight from Lambert-St Louis to San Antonio.

Which airlines flying from Lambert-St Louis to San Antonio have flexible cancellations due to COVID-19?

Some of our airline partners flying from Lambert-St Louis to San Antonio have new flexible policies in place due to COVID-19. American Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from St. Louis to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from St. Louis to San Antonio for under $200. The cheapest flight booked recently is on Multiple Airlines for just $196, but on average you can expect to pay $325.

Are there last-minute flights available from St. Louis to San Antonio for under $400?

There are currently 14+ open flights from St. Louis to San Antonio within the next 7 days for less than $400.

How popular is this St. Louis to San Antonio flight route?

Within the past month, 57 users have taken a look at flights from Lambert-St Louis to San Antonio.

What are the cheapest airlines flying from St. Louis to San Antonio round-trip?

Our cheapest airline available from St. Louis to San Antonio is Delta. Our recent data shows that you can find tickets from as low as $224 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $298 and $351 round-trip. Delta is currently priced 31% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from St. Louis to San Antonio one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $88. Users have also found prices from $112 and $182 on Delta and American Airlines, respectively.

What are the cheapest flights from St. Louis to San Antonio?

Looking for the cheapest flight from St. Louis to San Antonio? While on average our users pay $476, our data indicates the cheapest price to be $206. The most popular route (Lambert-St Louis - San Antonio), is priced around $196.

What are the most popular airlines that fly from St. Louis to San Antonio?

Consider Major Airline, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to San Antonio.