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Chicago San Antonio - Cheap flights

Special flight deals from Chicago to San Antonio

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Find the best time to book cheap flights to San Antonio

Flexible on travel dates? Discover the cheapest month to fly to San Antonio

  • Cheapest round-trip flight

    from 316 USD

  • Cheapest month to travel

    September, October

  • The cheapest day to fly

    Tuesday

  • Lowest prices

    1 day before
Sep
316 USD
Oct
316 USD
Nov
454 USD
Dec
394 USD
Jan
??
Feb
??
Mar
??
Apr
??
May
??
Jun
??
Jul
??
Aug
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When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

  • 6 months before

    from

    883 USD

  • 3 months before

    from

    641 USD

  • 30 days before

    from

    794 USD

  • 7 days before

    from

    664 USD

  • 1 day before

    from

    354 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
979 USD
Mon
479 USD
Tue
636 USD
Wed
526 USD
Thu
583 USD
Fri
1,141 USD
Sat
644 USD
Sun

General information

  • Local time (UTC-6)

  • Flight time from Chicago

  • Local currency

    USD