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Book Flights from Chicago to San Antonio will help you to find the best deals on flights from Chicago to San Antonio. With our search technology, effortlessly searching flight routes across hundreds of airlines has never been easier or more convenient. With, we aim to make it simple and quick to search, select and save on the flights that best suit your needs and budget.

No matter if you are traveling for business or pleasure, we offer a wide range of deals from business class discounts to last minute flight deals to destinations like San Antonio. Whether you are planning ahead or looking for last minute tickets, CheapOair has the right flights at the right price. After booking your ticket, explore this page to view blog posts about this destination, learn more about hotels near SAT and read reviews from others who booked their flights with

Frequently Asked Questions - Chicago to San Antonio Flights

  • When does the first flight of the day depart from CHI?

    5:55PM United Airlines Flight #5846

  • When does the last flight depart to SAT?

    8:24PM Southwest Airlines Flight #4024

  • What is the travel distance between Chicago and San Antonio?

    1,047 miles

  • How many weekly flights are there between CHI to SAT?

    There are 12 weekly flights between CHI and SAT.

  • How many daily flights fly between Chicago and San Antonio?

    There are 1 daily flights between CHI and SAT

  • Which is the busiest day in terms of passengers traffic between CHI to SAT?


  • Which is the nearest airport to San Antonio, Texas?

    San Antonio International Airport

  • Which is the nearest airport to Chicago, Illinois?

    Midway International Airport