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.
A non-stop 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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to San Antonio:
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Answers to questions about the route that travelers are most interested in.
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.
Unable to find information about the schedule of direct flights from
Chicago — San Antonio
05/05/2026
Departure
Direct flight
WN2168
starting at $427
Chicago — San Antonio
05/01/2026
Departure
Direct flight
3L4067
starting at $406
starting at $427
starting at $406
starting at $132
starting at $211
More than 4 airlines operate flights from Chicago to San Antonio, including Southwest Airlines, Air Arabia Abu Dhabi, Frontier Airlines, and Allegiant Air. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $132, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Chicago to San Antonio according to data for the last 48 hours costs $132
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: May, April.
The fastest flights from Chicago to San Antonio start from 13 hours 14 minutes in the air.
The following airlines operate direct flights on the route Chicago — San Antonio: Southwest Airlines, Air Arabia Abu Dhabi
The cost of a one-way flight from Chicago to San Antonio ranges from $132 (May 2026) to $211 (April 2026). On average, the ticket price is about $172–$211.
The cheapest one-way flight from Chicago to San Antonio departs on 05/06/2026, is operated by Frontier Airlines and costs $132
The cheapest roundtrip flight from Chicago to San Antonio departs on 08/17/2026, is operated by Southwest Airlines and costs $180
Fastest flight from Chicago to San Antonio takes 13h 14m
There are direct flights on this route 2 days a week: Tu and Fr
The distance between Chicago and San Antonio is 1694km (1050 miles). Chicago and San Antonio are in the same time zone
We couldn't find any special offers for flights from Chicago to San Antonio