American Airlines flights from Saint Louis to Barcelona

Recent searches for flights from Saint Louis to Barcelona

Aug 2026
From$1,054*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$803*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$803*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $916
cmp-daily-histogram-bars-legend-max-price-aria-label $1.4K
Displaying fares for August-2026
  • STL–BCN, 08/05/26 – 08/12/26: From $1,230
    05

    We

    AUG

  • STL–BCN, 08/06/26 – 08/13/26: From $1,280
    06

    Th

  • STL–BCN, 08/07/26 – 08/14/26: From $1,280
    07

    Fr

  • STL–BCN, 08/08/26 – 08/15/26: From $1,350
    08

    Sa

  • STL–BCN, 08/09/26 – 08/16/26: From $1,300
    09

    Su

  • STL–BCN, 08/10/26 – 08/17/26: From $1,300
    10

    Mo

  • STL–BCN, 08/11/26 – 08/18/26: From $1,230
    11

    Tu

  • STL–BCN, 08/12/26 – 08/19/26: From $1,054
    12

    We

  • STL–BCN, 08/13/26 – 08/20/26: From $1,104
    13

    Th

  • STL–BCN, 08/14/26 – 08/21/26: From $1,104
    14

    Fr

  • STL–BCN, 08/15/26 – 08/22/26: From $1,164
    15

    Sa

  • STL–BCN, 08/16/26 – 08/23/26: From $1,114
    16

    Su

  • STL–BCN, 08/17/26 – 08/24/26: From $1,114
    17

    Mo

  • STL–BCN, 08/18/26 – 08/25/26: From $1,054
    18

    Tu

  • STL–BCN, 08/19/26 – 08/26/26: From $1,054
    19

    We

  • STL–BCN, 08/20/26 – 08/27/26: From $1,211
    20

    Th

  • STL–BCN, 08/21/26 – 08/28/26: From $1,211
    21

    Fr

  • STL–BCN, 08/22/26 – 08/29/26: From $1,271
    22

    Sa

  • STL–BCN, 08/23/26 – 08/30/26: From $1,211
    23

    Su

  • STL–BCN, 08/24/26 – 08/31/26: From $1,211
    24

    Mo

  • STL–BCN, 08/25/26 – 09/01/26: From $1,151
    25

    Tu

  • STL–BCN, 08/26/26 – 09/02/26: From $1,327
    26

    We

  • STL–BCN, 08/27/26 – 09/03/26: From $1,397
    27

    Th

  • STL–BCN, 08/28/26 – 09/04/26: From $1,397
    28

    Fr

  • STL–BCN, 08/29/26 – 09/05/26: From $1,350
    29

    Sa

  • STL–BCN, 08/30/26 – 09/06/26: From $1,280
    30

    Su

  • STL–BCN, 08/31/26 – 09/07/26: From $1,280
    31

    Mo

  • STL–BCN, 09/01/26 – 09/08/26: From $1,166
    01

    Tu

    SEP

  • STL–BCN, 09/02/26 – 09/09/26: From $916
    02

    We

  • STL–BCN, 09/03/26 – 09/10/26: From $1,087
    03

    Th

  • STL–BCN, 09/04/26 – 09/11/26: From $1,234
    04

    Fr

    • range$916-$1,397

    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 Saint Louis to Barcelona flights

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    keyboard_arrow_down

    Saint Louis (STL)to

    Barcelona (BCN)
    02/08/27 - 02/25/27

    Round trip

    Economy

    from
    $770Fare subject to changes
    Updated: 4 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 hours ago

    Saint Louis (STL)to

    Barcelona (BCN)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $773Fare subject to changes
    Updated: 5 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 Saint Louis to Barcelona

    Looking for lower fares on your trip from Saint Louis to Barcelona? 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 Saint Louis to Barcelona