American Airlines flights from Chicago to Shannon

Recent searches for flights from Chicago to Shannon

Aug 2026
From$949*
Updated: 19 minutes ago
Round tripIEconomy
Sep 2026
From$961*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$931*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $949
cmp-daily-histogram-bars-legend-max-price-aria-label $2.0K
Displaying fares for August-2026
  • ORD–SNN, 08/10/26 – 08/14/26: From $1,410
    10

    Mo

    AUG

  • ORD–SNN, 08/11/26 – 08/18/26: From $1,594
    11

    Tu

  • ORD–SNN, 08/12/26 – 08/19/26: From $1,594
    12

    We

  • ORD–SNN, 08/13/26 – 08/20/26: From $1,694
    13

    Th

  • ORD–SNN, 08/14/26 – 08/21/26: From $1,439
    14

    Fr

  • ORD–SNN, 08/15/26 – 08/22/26: From $1,997
    15

    Sa

  • ORD–SNN, 08/16/26 – 08/23/26: From $1,698
    16

    Su

  • ORD–SNN, 08/17/26 – 08/24/26: From $1,136
    17

    Mo

  • ORD–SNN, 08/18/26 – 08/25/26: From $1,150
    18

    Tu

  • ORD–SNN, 08/19/26 – 08/26/26: From $1,136
    19

    We

  • ORD–SNN, 08/20/26 – 08/27/26: From $1,200
    20

    Th

  • ORD–SNN, 08/21/26 – 08/28/26: From $1,250
    21

    Fr

  • ORD–SNN, 08/22/26 – 08/29/26: From $1,438
    22

    Sa

  • ORD–SNN, 08/23/26 – 08/30/26: From $1,200
    23

    Su

  • ORD–SNN, 08/24/26 – 08/31/26: From $1,244
    24

    Mo

  • ORD–SNN, 08/25/26 – 09/01/26: From $1,150
    25

    Tu

  • ORD–SNN, 08/26/26 – 09/02/26: From $1,136
    26

    We

  • ORD–SNN, 08/27/26 – 09/03/26: From $1,270
    27

    Th

  • ORD–SNN, 08/28/26 – 09/04/26: From $1,253
    28

    Fr

  • ORD–SNN, 08/29/26 – 09/05/26: From $1,311
    29

    Sa

  • ORD–SNN, 08/30/26 – 09/04/26: From $949
    30

    Su

  • ORD–SNN, 08/31/26 – 09/07/26: From $1,193
    31

    Mo

  • ORD–SNN, 09/01/26 – 09/08/26: From $1,148
    01

    Tu

    SEP

  • ORD–SNN, 09/02/26 – 09/09/26: From $1,194
    02

    We

  • ORD–SNN, 09/03/26 – 09/10/26: From $1,200
    03

    Th

  • ORD–SNN, 09/04/26 – 09/11/26: From $1,189
    04

    Fr

  • ORD–SNN, 09/05/26 – 09/12/26: From $1,239
    05

    Sa

  • ORD–SNN, 09/06/26 – 09/13/26: From $1,189
    06

    Su

  • ORD–SNN, 09/07/26 – 09/14/26: From $996
    07

    Mo

  • ORD–SNN, 09/08/26 – 09/15/26: From $999
    08

    Tu

  • ORD–SNN, 09/09/26 – 09/16/26: From $999
    09

    We

    • range$949-$1,997

    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 Chicago to Shannon flights

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    Chicago (ORD)to

    Shannon (SNN)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $929Fare subject to changes
    Updated: 6 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $929Fare subject to changes
    Updated: 6 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.

    Finding cheap flights from Chicago to Shannon

    Looking for lower fares on your trip from Chicago to Shannon? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Chicago to Shannon