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Searching for flights from Chicago to San Antonio? Discover wego.com's selection of low-cost Chicago to San Antonio flights. These carriers have been selected for their discount prices on air tickets to San Antonio, get the best airfares to San Antonio with one click and compare flight deals.

These Chicago airport(s) service flights on the Chicago to San Antonio route:

These San Antonio airport(s) service flights on the San Antonio to Chicago route:

San Antonio International Airport (SAT)

These airlines operate flights from Chicago to San Antonio:

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Cheap Flights from Chicago (CHI) to San Antonio (SAT)

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Cheap Flights from Chicago (CHI) to San Antonio (SAT)

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