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Helping travelers to find the best flight offers
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to San Antonio:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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Unable to find information about the schedule of direct flights from
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to San Antonio. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to San Antonio
Below you will find a list of airlines operating flights on the Chicago — San Antonio route and the starting prices for flights of each specific airline on it.
A direct flight is the most convenient and comfortable way to fly from Chicago to San Antonio, despite the fact that sometimes flights with transfers can cost significantly less.
The cheapest one-way flight from Chicago to San Antonio departs on 04/03/2025, is operated by Frontier Airlines and costs $134
The cheapest roundtrip flight from Chicago to San Antonio departs on 04/28/2025, is operated by Spirit Airlines and costs $207
Fastest flight from Chicago to San Antonio takes 6h 37m
There are no direct flights on this route.
The distance between Chicago and San Antonio is 1694km (1050 miles). There are 15 direct flights from Chicago to San Antonio. Chicago and San Antonio are in the same time zone. Flights from Chicago begin at 8:25 AM. The latest flight from Chicago departs at 7:05 PM.
Chicago — San Antonio
04/03/2025
Departure date
Direct flight
WN3823
Starting at $435
Chicago — San Antonio
07/23/2025
Departure date
Direct flight
WN3911
Starting at $505
Chicago — San Antonio
07/24/2025
Departure date
Direct flight
WN3910
Starting at $228
The cheapest flight ticket from Chicago to San Antonio according to data for the last 48 hours costs $134
Often the best time to buy tickets from Chicago to San Antonio is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to San Antonio can be found flying in these months: June.
The fastest flights from Chicago to San Antonio start from 6 hours 37 minutes in the air.
The following airlines operate direct flights on the route Chicago — San Antonio: Southwest Airlines
We couldn't find any special offers for flights from Chicago to San Antonio
