Cheap Flight Tickets from San Antonio (SAT) to St Louis (STL), Starting at $310

Good to Know: Cheapest and Fastest SAT - STL Flights

Useful information for finding best airline tickets from San Antonio International to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$310

WN Southwest Airlines • 1 stop • 8h 55m

Oct 14 – Oct 17

The cheapest round trip flight from San Antonio to St Louis (SAT-STL-SAT) is currently $310

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Cheapest Direct Flight

$317

WN Southwest Airlines • nonstop • 3h 25m

Oct 14

The cheapest nonstop flight from San Antonio to St Louis (SAT-STL) is currently $317

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Fastest Flight

3m

The fastest nonstop flight from San Antonio to St Louis (SAT-STL) takes 3m

Top Airlines Flying from San Antonio to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

WestJet Airlines

WestJet Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from San Antonio (SAT) to St Louis (STL)

Compare and book low fare round-trip air tickets from San Antonio to St Louis. Ideal for travelers with confirmed return itineraries.

Oct 14 - Oct 17, Economy
WN
San Antonio → St Louis
8h 55m
7:30 AM - 1:05 PM • 1 stop
WN
San Antonio → St Louis
3h 30m
1:50 PM - 4:00 PM • nonstop
$310
Southwest Airlines
Oct 14 - Oct 17, Economy
WN
San Antonio → St Louis
8h 55m
11:55 AM - 5:30 PM • 1 stop
WN
San Antonio → St Louis
3h 30m
1:50 PM - 4:00 PM • nonstop
$310
Southwest Airlines
Oct 14 - Oct 17, Economy
WN
San Antonio → St Louis
8h 45m
2:35 PM - 8:00 PM • 1 stop
WN
San Antonio → St Louis
3h 30m
1:50 PM - 4:00 PM • nonstop
$310
Southwest Airlines
Oct 14 - Oct 17, Economy
UA
San Antonio → St Louis
7h 12m
5:58 PM - 10:30 PM • 1 stop
UA
San Antonio → St Louis
7h 8m
6:15 AM - 10:43 AM • 1 stop
$347
United Airlines
Oct 14 - Oct 17, Economy
UA
San Antonio → St Louis
5h 59m
4:17 PM - 8:16 PM • 1 stop
UA
San Antonio → St Louis
7h 8m
6:15 AM - 10:43 AM • 1 stop
$347
United Airlines
Oct 14 - Oct 17, Economy
UA
San Antonio → St Louis
8h 49m
5:30 PM - 10:59 PM • 1 stop
UA
San Antonio → St Louis
7h 8m
6:15 AM - 10:43 AM • 1 stop
$347
United Airlines

Fly from San Antonio to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from San Antonio to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on San Antonio to St Louis Flights

What are the airports in San Antonio?
SAT
What’s the most popular airline flying from SAT to STL?
The most popular airline flying from San Antonio to St Louis are
Can I fly from SAT to STL non-stop?
Yes, you can fly SAT to STL non-stop on
Which airlines fly nonstop between San Antonio and St Louis?
The non-stop flights between San Antonio and St Louis are .
What’s the earliest departure time from SAT to STL Airport?
The earliest flight leaves SAT at 5:30 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my San Antonio to St Louis 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 SAT to STL?
Read the fare rules of the San Antonio to St Louis 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 San Antonio and St Louis?
operate flights between San Antonio and St Louis
How long does a flight from San Antonio to St Louis take?
It takes approximately 2 hour to fly non-stop from SAT to STL, which is 785.93 miles by air.
Which airlines provide the cheapest flights from San Antonio (SAT) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from SAT were found on WN : USD 310
Do I need a passport to fly between SAT and STL?
No
What’s the latest departure time from SAT to STL ?
The last flight leaves SAT at 6:50 pm

San Antonio (SAT) to St Louis (STL): Airport Information

Origin Airport San Antonio International , San Antonio, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 786 miles

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