Flights from Chicago, IL to San Antonio, TX

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Best Deals on Flights From Chicago, IL (ORD) to San Antonio, TX (SAT)

Nov 2026
from$150*
Last seen: 23 hours ago
One-way/Economy
Dec 2026
from$104*
Last seen: 5 hours ago
One-way/Economy
Jan 2027
from$224*
Last seen: 9 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $104
Displaying fares for November-2026
  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

    NOV

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • ORD–SAT, Nov 9, 2026: from $225
    09

    Mon

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • ORD–SAT, Nov 12, 2026: from $219
    12

    Thu

  • ORD–SAT, Nov 13, 2026: from $184
    13

    Fri

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • ORD–SAT, Nov 18, 2026: from $150
    18

    Wed

  • ORD–SAT, Nov 19, 2026: from $184
    19

    Thu

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • ORD–SAT, Nov 22, 2026: from $184
    22

    Sun

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Mon

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    25

    Wed

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    28

    Sat

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • ORD–SAT, Nov 30, 2026: from $219
    30

    Mon

  • ORD–SAT, Dec 1, 2026: from $104
    01

    Tue

    DEC

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • ORD–SAT: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

    • Range$104-$225

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Chicago, IL to San Antonio, TX on Frontier

    $
    Flights Deals from Chicago, IL to San Antonio, TX on Frontier
    From
    To
    Chicago, IL (ORD)San Antonio, TX (SAT)One-way
    /
    Discount Den Basic Fare    		Departing Feb 19, 2027

    From

    $144

    Last seen: 10 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Chicago, IL San Antonio, TX

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