American Airlines flights from Chicago to Shannon

Recent searches for flights from Chicago to Shannon

Aug 2026
From$1,154*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$1,039*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$988*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.0K
cmp-daily-histogram-bars-legend-max-price-aria-label $1.6K
Displaying fares for August-2026
  • ORD–SNN, 08/31/26 – 09/07/26: From $1,154
    31

    Mo

    AUG

  • ORD–SNN, 09/01/26 – 09/08/26: From $1,100
    01

    Tu

  • ORD–SNN, 09/02/26 – 09/09/26: From $1,261
    02

    We

  • ORD–SNN, 09/03/26 – 09/10/26: From $1,311
    03

    Th

  • ORD–SNN, 09/04/26 – 09/11/26: From $1,231
    04

    Fr

  • ORD–SNN, 09/05/26 – 09/12/26: From $1,203
    05

    Sa

  • ORD–SNN, 09/06/26 – 09/13/26: From $1,477
    06

    Su

  • ORD–SNN, 09/07/26 – 09/14/26: From $1,100
    07

    Mo

  • ORD–SNN, 09/08/26 – 09/15/26: From $1,103
    08

    Tu

  • ORD–SNN, 09/09/26 – 09/16/26: From $1,100
    09

    We

  • ORD–SNN, 09/10/26 – 09/17/26: From $1,150
    10

    Th

  • ORD–SNN, 09/11/26 – 09/18/26: From $1,153
    11

    Fr

  • ORD–SNN, 09/12/26 – 09/19/26: From $1,203
    12

    Sa

  • ORD–SNN, 09/13/26 – 09/20/26: From $1,214
    13

    Su

  • ORD–SNN, 09/14/26 – 09/21/26: From $1,154
    14

    Mo

  • ORD–SNN, 09/15/26 – 09/22/26: From $1,157
    15

    Tu

  • ORD–SNN, 09/16/26 – 09/23/26: From $1,168
    16

    We

  • ORD–SNN, 09/17/26 – 09/24/26: From $1,204
    17

    Th

  • ORD–SNN, 09/18/26 – 09/25/26: From $1,264
    18

    Fr

  • ORD–SNN, 09/19/26 – 09/26/26: From $1,643
    19

    Sa

  • ORD–SNN, 09/20/26 – 09/27/26: From $1,298
    20

    Su

  • ORD–SNN, 09/21/26 – 09/28/26: From $1,154
    21

    Mo

  • ORD–SNN, 09/22/26 – 09/29/26: From $1,157
    22

    Tu

  • ORD–SNN, 09/23/26 – 09/30/26: From $1,157
    23

    We

  • ORD–SNN, 09/24/26 – 10/01/26: From $1,204
    24

    Th

  • ORD–SNN, 09/25/26 – 10/02/26: From $1,221
    25

    Fr

  • ORD–SNN, 09/26/26 – 10/03/26: From $1,267
    26

    Sa

  • ORD–SNN, 09/27/26 – 10/04/26: From $1,099
    27

    Su

  • ORD–SNN, 09/28/26 – 10/05/26: From $1,039
    28

    Mo

  • ORD–SNN, 09/29/26 – 10/06/26: From $1,056
    29

    Tu

  • ORD–SNN, 09/30/26 – 10/07/26: From $1,039
    30

    We

    • range$1,039-$1,643

    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

    $
    keyboard_arrow_down

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $912Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

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

    Round trip

    Economy

    from
    $929Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $962Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    11/30/26 - 12/07/26

    Round trip

    Economy

    from
    $962Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/04/26 - 12/11/26

    Round trip

    Economy

    from
    $962Fare subject to changes
    Updated: 4 hours ago

    Chicago (ORD)to

    Shannon (SNN)
    12/16/26 - 12/23/26

    Round trip

    Economy

    from
    $970Fare subject to changes
    Updated: 4 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