American Airlines flights from Chicago to Belfast

Recent searches for flights from Chicago to Belfast

Sep 2026
From$1,097*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$941*
Updated: 11 hours ago
Round tripIEconomy
Nov 2026
From$941*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.0K
cmp-daily-histogram-bars-legend-max-price-aria-label $7.8K
Displaying fares for September-2026
  • ORD–BFS: cmp-view-offers-disclaimer. Find Offers
    04

    Fr

    SEP

  • ORD–BFS, 09/05/26 – 09/12/26: From $1,724
    05

    Sa

  • ORD–BFS, 09/06/26 – 09/13/26: From $2,569
    06

    Su

  • ORD–BFS, 09/07/26 – 09/14/26: From $1,147
    07

    Mo

  • ORD–BFS, 09/08/26 – 09/15/26: From $1,097
    08

    Tu

  • ORD–BFS, 09/09/26 – 09/16/26: From $2,886
    09

    We

  • ORD–BFS, 09/10/26 – 09/17/26: From $4,163
    10

    Th

  • ORD–BFS, 09/11/26 – 09/18/26: From $3,086
    11

    Fr

  • ORD–BFS, 09/12/26 – 09/19/26: From $2,277
    12

    Sa

  • ORD–BFS, 09/13/26 – 09/20/26: From $7,812
    13

    Su

  • ORD–BFS, 09/14/26 – 09/21/26: From $1,157
    14

    Mo

  • ORD–BFS, 09/15/26 – 09/22/26: From $1,107
    15

    Tu

  • ORD–BFS, 09/16/26 – 09/23/26: From $1,400
    16

    We

  • ORD–BFS, 09/17/26 – 09/24/26: From $1,455
    17

    Th

  • ORD–BFS, 09/18/26 – 09/25/26: From $2,236
    18

    Fr

  • ORD–BFS, 09/19/26 – 09/26/26: From $1,547
    19

    Sa

  • ORD–BFS, 09/20/26 – 09/27/26: From $1,157
    20

    Su

  • ORD–BFS, 09/21/26 – 09/28/26: From $2,301
    21

    Mo

  • ORD–BFS, 09/22/26 – 09/29/26: From $1,097
    22

    Tu

  • ORD–BFS, 09/23/26 – 09/30/26: From $1,097
    23

    We

  • ORD–BFS, 09/24/26 – 10/01/26: From $1,147
    24

    Th

  • ORD–BFS, 09/25/26 – 10/02/26: From $1,147
    25

    Fr

  • ORD–BFS, 09/26/26 – 10/03/26: From $1,197
    26

    Sa

  • ORD–BFS, 09/27/26 – 10/04/26: From $1,147
    27

    Su

  • ORD–BFS, 09/28/26 – 10/05/26: From $1,147
    28

    Mo

  • ORD–BFS, 09/29/26 – 10/06/26: From $1,097
    29

    Tu

  • ORD–BFS, 09/30/26 – 10/07/26: From $1,097
    30

    We

  • ORD–BFS, 10/01/26 – 10/08/26: From $1,157
    01

    Th

    OCT

  • ORD–BFS, 10/02/26 – 10/09/26: From $1,001
    02

    Fr

  • ORD–BFS, 10/03/26 – 10/10/26: From $1,051
    03

    Sa

    • range$1,001-$7,812

    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 Belfast flights

    $
    keyboard_arrow_down

    Chicago (ORD)to

    Belfast (BFS)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $887Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $914Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/07/26 - 12/14/26

    Round trip

    Economy

    from
    $937Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $937Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/06/26 - 12/13/26

    Round trip

    Economy

    from
    $937Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/04/26 - 12/11/26

    Round trip

    Economy

    from
    $937Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    12/15/26 - 12/22/26

    Round trip

    Economy

    from
    $940Fare subject to changes
    Updated: 11 hours ago

    Chicago (ORD)to

    Belfast (BFS)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $941Fare subject to changes
    Updated: 11 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 Belfast

    Looking for lower fares on your trip from Chicago to Belfast? 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

    Citi / AAdvantage credit card offer.

    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 Belfast