Cheap flights from San Antonio to St. Louis
Good to know
Prices are for flights from San Antonio to St. Louis for 1 adult in Economy. Flight times are based on nonstop flights or flights with the fewest stops available.
Flight information for San Antonio to St. Louis to help you plan your next trip.
Cheapest round-trip flight | $108 |
Frontier
1 stop
28 hr
Nov 14 — Nov 18
|
The cheapest round-trip flight from San Antonio to St. Louis is currently $108 | |
---|---|---|---|---|
Cheapest one-way flight | $60 |
Frontier
1 stop
13 hr
Nov 13
|
The cheapest one-way flight from San Antonio to St. Louis is currently $60 | |
Fastest flight | 2 hr | The fastest nonstop flight from San Antonio to St. Louis takes 2 hr | ||
Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for weekend trips from San Antonio to St. Louis per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from San Antonio to St. Louis is typically September. The most expensive one is typically July.
September Cheapest
|
Typical prices: $125–255 |
---|---|
July Most expensive
|
Typical prices: $225–335 |
Popular airports near San Antonio
Distance and driving time are relative to the city center. Airports are listed based on distance from San Antonio center and popularity with travelers.
- San Antonio International Airport (SAT)San Antonio 19 min 7 mi
- Austin-Bergstrom International Airport (AUS)Austin 1 hr 23 min 72 mi
- George Bush Intercontinental Airport (IAH)Houston 3 hr 11 min 193 mi
- William P. Hobby Airport (HOU)Houston 3 hr 15 min 193 mi
Popular airports near St. Louis
Distance and driving time are relative to the city center. Airports are listed based on distance from St. Louis center and popularity with travelers.
- St. Louis Lambert International Airport (STL)St. Louis 22 min 12 mi
- General Wayne A. Downing Peoria International Airport (PIA)Peoria 2 hr 34 min 143 mi
- Indianapolis International Airport (IND)Indianapolis 3 hr 29 min 222 mi
- Evansville Regional Airport (EVV)Evansville 2 hr 32 min 150 mi
Frequently asked questions about flying from San Antonio to St. Louis
How long does it take to fly from San Antonio to St. Louis?
2 hr is the shortest flight time from San Antonio to St. Louis.
When are the cheapest days to fly from San Antonio to St. Louis?
The cheapest days to fly are usually in September. Typical prices range from $125 to $255.
Which airlines provide the cheapest flights from San Antonio to St. Louis?
The best round-trip deal recently found on Google Flights from San Antonio to St. Louis was with Frontier from $108. The best one-way deal was with Frontier from $60.
When are direct flights from San Antonio to St. Louis available?
There are direct flights from San Antonio to St. Louis on a daily basis.
Which airlines have direct flights from San Antonio to St. Louis?
Southwest flies direct from San Antonio to St. Louis.
What are the cheapest flights from San Antonio to St. Louis?
The cheapest round-trip flight from San Antonio to St. Louis starts at $108 from Thu, Nov 14 to Mon, Nov 18. The cheapest one-way flight starts at $60 and departs on Wed, Nov 13.
When should you visit St. Louis?
Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.
How do I find cheap dates to fly from San Antonio to St. Louis
It's easy to use Google Flights to find the cheapest days to fly from San Antonio to St. Louis.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Search more flights
Popular trips from San Antonio
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
-
New York$127Oct 26 — Oct 28Nonstop 3 hr 50 min Spirit
-
Paris$646Feb 8 — Feb 102 stops 17 hr Air France, Delta, Scandinavian Airlines
-
Seattle$128Nov 9 — Nov 111 stop 8 hr 46 min Frontier
-
Las Vegas$116Nov 9 — Nov 111 stop 5 hr 39 min Spirit
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