Looking for the price of a flight from San Antonio to Chicago Rockford?

There’s no fixed price — fares between San Antonio and Chicago can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

Flying from or to San Antonio and Chicago? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in San Antonio: Only San Antonio is available for departures.
• Airports in Chicago: Arrivals into Chicago are possible from 3 airports - Midway, O'Hare, Rockford.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Filter and compare flights from San Antonio to Chicago Rockford

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Other popular destinations

Want more ideas for your trip to United States? Check these: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.