Flights from St Louis Airport STL to San Antonio Airport SAT
We've found the cheapest flights to San Antonio
As flights from Lambert-St. Louis International to San Antonio International are in low demand, many airliners do not offer a direct flight. There is in fact only one airliner who you can fly with which is Southwest Airlines. The official airport code for Lambert-St. Louis International is STL and for San Antonio International it is SAT.
The most expensive flight prices are typically at weekends and daytime flights. If you know the dates you wish to travel then book you flights as soon as you can. The earlier you book your lights the cheaper they will be. You can get saving of up to 50% of you book 2 or 3 months in advance! Flight to San Antonio International will get more expensive the nearer you get the departure date, so it’s advisable to book in advance if it is possible.
If you plan on flying to San Antonio International Airport (SAT) from Lambert-St. Louis International Airport (STL) you can pre-arrange your long or short term parking at Lambert-St. Louis International Airport (STL).
If you are renting a car at San Antonio International Airport (SAT) it is recommended to fill up the fuel tank before returning the vehicle at the nearest fuel station to San Antonio International Airport (SAT) in order to avoid incurring additional costs. *Please check your rental agreement to understand the fuel policy for your vehicle.
Organise and book your choice of transport to Lambert-St. Louis International Airport (STL):
- Private Transfers to Lambert-St. Louis International Airport (STL)
- Buses to Lambert-St. Louis International Airport (STL)
- Taxis to Lambert-St. Louis International Airport (STL)
- Train Services to/near Lambert-St. Louis International Airport (STL)
Ensure your arrival at San Antonio International Airport (SAT) is as stress-free as possible by pre-booking your onward transport - booking early may also save you money:
- Compare car rental at San Antonio International Airport (SAT)
- Private transfers at San Antonio International Airport (SAT)
- Buses from San Antonio International Airport (SAT)
- Taxis from San Antonio International Airport (SAT)
- Train services at or near San Antonio International Airport (SAT)
You can also research and pre-book a hotel near San Antonio International Airport (SAT)
To see all airliners that offer flights between Lambert-St. Louis International and San Antonio International please see the table below.

Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight | Flights |
---|---|---|---|---|---|---|---|---|---|---|
Southwest Airlines | 3 | 2 | 2 | 2 | 2 | 1 | 2 | 01:05 | 22:45 | VIEW FLIGHTS |
Southwest Airlines offer the highest number of flights for this route with departures times between 01:05 and 22:45.
If you wish to book your flight with Southwest Airlines then we advise you book direct from their website at www.southwest.com/?ref=southwestairlines.com. The best discounts can only be obtained from their website.
The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Day | Flight Times | Flights | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Monday | 01:05
09:45
18:20
| VIEW FLIGHTS | ||||||||||||
Tuesday | 13:50
19:05
| VIEW FLIGHTS | ||||||||||||
Wednesday | 13:50
19:05
| VIEW FLIGHTS | ||||||||||||
Thursday | 09:45
18:20
| VIEW FLIGHTS | ||||||||||||
Friday | 09:45
18:20
| VIEW FLIGHTS | ||||||||||||
Saturday | 08:40
| VIEW FLIGHTS | ||||||||||||
Sunday | 10:25
22:45
| VIEW FLIGHTS |
Before you book your flights make sure you your passport is valid and preferably has at least 6 months or more left before it expires. To renew your passport it can take several weeks to renew and with many airliners flights are not refundable.
Don't forget to book your car rental!
Search for the cheapest rental vehicles in St. Louis Missouri, United States
Flight Price FAQ - St Louis (STL) to San Antonio (SAT)
Compare Flight Prices from STL to SAT

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Don't forget to book your hire car!
Search for the cheapest rental at St. Louis Lambert Airport
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