American Airlines flights from Santa Rosa to Chicago

Recent searches for flights from Santa Rosa to Chicago

Sep 2026
From$680*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$311*
Updated: 3 hours ago
Round tripIEconomy
Nov 2026
From$311*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $311
cmp-daily-histogram-bars-legend-max-price-aria-label $1.7K
Displaying fares for September-2026
  • STS–ORD: cmp-view-offers-disclaimer. Find Offers
    17

    Th

    SEP

  • STS–ORD, 09/18/26 – 09/25/26: From $1,009
    18

    Fr

  • STS–ORD, 09/19/26 – 09/26/26: From $950
    19

    Sa

  • STS–ORD, 09/20/26 – 09/27/26: From $1,681
    20

    Su

  • STS–ORD, 09/21/26 – 09/28/26: From $994
    21

    Mo

  • STS–ORD, 09/22/26 – 09/29/26: From $1,009
    22

    Tu

  • STS–ORD, 09/23/26 – 09/30/26: From $986
    23

    We

  • STS–ORD, 09/24/26 – 10/01/26: From $924
    24

    Th

  • STS–ORD, 09/25/26 – 10/02/26: From $869
    25

    Fr

  • STS–ORD, 09/26/26 – 10/03/26: From $849
    26

    Sa

  • STS–ORD, 09/27/26 – 10/04/26: From $849
    27

    Su

  • STS–ORD, 09/28/26 – 10/05/26: From $753
    28

    Mo

  • STS–ORD, 09/29/26 – 10/06/26: From $789
    29

    Tu

  • STS–ORD, 09/30/26 – 10/07/26: From $680
    30

    We

  • STS–ORD, 10/01/26 – 10/08/26: From $693
    01

    Th

    OCT

  • STS–ORD, 10/02/26 – 10/09/26: From $1,014
    02

    Fr

  • STS–ORD, 10/03/26 – 10/10/26: From $480
    03

    Sa

  • STS–ORD, 10/04/26 – 10/11/26: From $764
    04

    Su

  • STS–ORD, 10/05/26 – 10/12/26: From $738
    05

    Mo

  • STS–ORD, 10/06/26 – 10/13/26: From $311
    06

    Tu

  • STS–ORD, 10/07/26 – 10/14/26: From $311
    07

    We

  • STS–ORD, 10/08/26 – 10/15/26: From $705
    08

    Th

  • STS–ORD, 10/09/26 – 10/16/26: From $695
    09

    Fr

  • STS–ORD, 10/10/26 – 10/17/26: From $311
    10

    Sa

  • STS–ORD, 10/11/26 – 10/18/26: From $564
    11

    Su

  • STS–ORD, 10/12/26 – 10/19/26: From $695
    12

    Mo

  • STS–ORD, 10/13/26 – 10/20/26: From $311
    13

    Tu

  • STS–ORD, 10/14/26 – 10/21/26: From $398
    14

    We

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

    Th

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

    Fr

    • range$311-$1,681

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Santa Rosa to Chicago flights

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    Santa Rosa (STS)to

    Chicago (ORD)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    Santa Rosa (STS)to

    Chicago (ORD)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 3 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

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