American Airlines flights from Chicago to San Antonio
expand_more
1 Adult, Economy class
expand_moreexpand_more
today
today
Recent searches for flights from Chicago to San Antonio
location_on
location_on
Find deals on Chicago to San Antonio flights
flight_takeoff
flight_land
$
Chicago (ORD)to
San Antonio (SAT)
03/27/26 - 04/21/26
Round trip
Economy
from
$297Fare subject to changes
Updated: 8 hours ago
Chicago (ORD)to
San Antonio (SAT)
04/24/26 - 04/27/26
Round trip
Economy
from
$314Fare subject to changes
Updated: 3 hours ago
Chicago (ORD)to
San Antonio (SAT)
04/23/26 - 04/27/26
Round trip
Economy
from
$333Fare subject to changes
Updated: 1 hour ago
Chicago (ORD)to
San Antonio (SAT)
05/04/26 - 05/06/26
Round trip
Economy
from
$347Fare subject to changes
Updated: 1 hour ago
Chicago (ORD)to
San Antonio (SAT)
03/06/26 - 03/09/26
Round trip
Economy
from
$360Fare subject to changes
Updated: 5 hours ago
Chicago (ORD)to
San Antonio (SAT)
03/23/26 - 03/28/26
Round trip
Economy
from
$380Fare subject to changes
Updated: 2 hours ago
Chicago (ORD)to
San Antonio (SAT)
03/05/26 - 03/08/26
Round trip
Economy
from
$397Fare subject to changes
Updated: 5 hours ago
Chicago (ORD)to
San Antonio (SAT)
03/14/26 - 03/21/26
Round trip
Economy
from
$403Fare subject to changes
Updated: 7 hours ago
*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.
