Cheap flights from Chicago to Northwest San Antonio

View AU$179 flight on Sat, 18 Oct. 2025Opens in a new window

Popular airlines from Chicago to Northwest San Antonio

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • United

    United

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,242 Return, found 15 hours ago
AU$1,242
Return
found 15 hours ago
Select Delta flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,242 found 15 hours ago
American Airlines
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,317 Return, found 15 hours ago
AU$1,317
Return
found 15 hours ago
Select American Airlines flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,317 found 15 hours ago
United
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,317 Return, found 15 hours ago
AU$1,317
Return
found 15 hours ago
Select United flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,317 found 15 hours ago
American Airlines
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,324 Return, found 15 hours ago
AU$1,324
Return
found 15 hours ago
Select American Airlines flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,324 found 15 hours ago
United
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,331 Return, found 15 hours ago
AU$1,331
Return
found 15 hours ago
Select United flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,331 found 15 hours ago
Alaska Airlines
Mon, 4 Aug. - Fri, 8 Aug.
ORD
Chicago
SAT
San Antonio
AU$1,760 Return, found 15 hours ago
AU$1,760
Return
found 15 hours ago
Select Alaska Airlines flight, departing Mon, 4 Aug. from Chicago to San Antonio, returning Fri, 8 Aug., priced at AU$1,760 found 15 hours ago

Find the cheapest month to fly from Chicago (CHI) to San Antonio (SAT)

September is typically the cheapest month to fly

From AU$164 - AU$655 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.