$212 Cheap Delta flights St. Louis (STL) to San Antonio (SAT)

View $212 flight on Tue, Dec 30, 2025Opens in a new window

$212 Cheap Delta flights St. Louis (STL) to San Antonio (SAT)

Prices were available within the past 7 days and start at $212 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 31 - Wed, Jan 7
STL
St. Louis
SAT
San Antonio
$341 Roundtrip, found 1 day ago
$341
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 31 from St. Louis to San Antonio, returning Wed, Jan 7, priced at $341 found 1 day ago
Delta
Thu, Jan 1 - Wed, Jan 7
STL
St. Louis
SAT
San Antonio
$394 Roundtrip, found 1 day ago
$394
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 1 from St. Louis to San Antonio, returning Wed, Jan 7, priced at $394 found 1 day ago
Delta
Tue, Dec 30 - Thu, Jan 1
STL
St. Louis
SAT
San Antonio
$404 Roundtrip, found 15 hours ago
$404
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Dec 30 from St. Louis to San Antonio, returning Thu, Jan 1, priced at $404 found 15 hours ago

Find the cheapest month to fly from St. Louis (STL) to San Antonio (SAT)

November is typically the cheapest month to fly

From $150 - $473 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $394
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $394
Flights from St. Louis (STL) to San Antonio (SAT)
Origin airport
Lambert-St. Louis Intl.
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
United
Distance
1258 km
Average flight time
4 hours 5 mins