Schedule of direct flights from Chicago to San Antonio
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to San Antonio:
Chicago airports overview
San Antonio airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets 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.
Alternative routes
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Cheapest one way flight
$93
Frontier Airlines
1 transfer
23h 56m
02/22/2025
The cheapest one-way flight from Chicago to San Antonio departs on 02/22/2025, is operated by Frontier Airlines and costs $93
Cheapest round trip flight
$106
Frontier Airlines
1 transfer
1d 8h 16m
04/04/2025
The cheapest roundtrip flight from Chicago to San Antonio departs on 04/04/2025, is operated by Frontier Airlines and costs $106
The fastest flight
23h 56m
Fastest flight from Chicago to San Antonio takes 23h 56m
Direct flights
No direct flights
There are no direct flights on this route.
Earliest flight
8:25 AM
Latest flight
7:05 PM
Direct flights count
15
Distance
1694km
Timezone difference
0h
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.
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.
There appear to be no direct flights from Chicago to San Antonio at this time.... Well, or something went wrong on our side and we couldn't find anything
How much is the cheapest flight ticket from Chicago to San Antonio?
The cheapest flight ticket from Chicago to San Antonio according to data for the last 48 hours costs $93
When is the best time to buy air tickets on the route Chicago — San Antonio?
Often the best time to buy tickets from Chicago to San Antonio is 2 months before departure.
How long does it take to fly from Chicago to San Antonio?
The fastest flights from Chicago to San Antonio start from 23 hours 56 minutes in the air.
Which airline can fly direct from Chicago to San Antonio?
The following airlines operate direct flights on the route Chicago — San Antonio:
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.
We couldn't find any special offers for flights from Chicago to San Antonio
