Cheap flights from Chicago (CHI) to San Antonio (SAT) from $45

Departing on a Monday is a good option for securing a great price. You can expect to save up to 18% when planning your travel around this day of the week.

Find a great deal and save up to 49% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to San Antonio within the next two weeks, with the cheapest ticket starting at $455.

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to San Antonio. Flights to San Antonio from Chicago in January are about $384 on average during January, but can be found for as low as $168.

It’s typically best to fly out from Chicago to San Antonio at noon. Doing so could potentially save you 29% on the flight price compared to flying in the afternoon, which is usually more expensive.

San Antonio (SAT) is the airport you will fly into if you book a flight from Chicago to San Antonio. You should not have trouble finding flights to San Antonio from Chicago; the airport handles an average of 15 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the San Antonio airport from Chicago. It is only a 7.6 mi journey from San Antonio (SAT) to San Antonio’s city center.

Yes, there are multiple flights from Chicago to San Antonio for under $200. The cheapest flight booked recently is on Spirit Airlines for just $117, but on average you can expect to pay $132.

Cheapflights has at least 20 direct flights from Chicago to San Antonio under $200. A good price for a nonstop flight from Chicago to San Antonio is less than $276.

There are currently 20+ open flights from Chicago to San Antonio within the next 7 days for less than $300.

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

25 flight departures from Chicago to San Antonio per day on average.
Morning (6am - Noon) - 16% of flight departures
Evening (6pm - Midnight) - 84% of flight departures

Departing from Chicago to San Antonio will take you 3h 05m. The distance between Chicago and San Antonio is about 1048 mi. This flight may include one or multiple stops.

Cheapflights users have booked flights from Chicago to San Antonio round-trip from $117. Other airlines that can offer you cheap pricing are Frontier, from $118, and United Airlines, from $144. Spirit Airlines is priced at 69% lower than the current average price of a flight leaving 3 months from now.

Before booking your flight from Chicago to San Antonio check out the most popular airlines for this route: American Airlines, Delta or Frontier.

Consider Japan Airlines (89%), British Airways (89%) or Qatar Airways (86%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Antonio.

Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Chicago O'Hare Intl - San Antonio) can be booked for $117 on average our data indicates $280 when flying from Chicago to San Antonio.

Great question - ORD to SAT just means Chicago O'Hare Intl Airport to San Antonio Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

Cheapflights makes it easy to find Chicago to San Antonio flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Millions of users choose and trust Cheapflights to book the best flight deals from Chicago to San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Certainly. Search results for flights to San Antonio from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Not ready to book yet? You can track prices for flights from Chicago to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.