Saint Louis (STL) to Florence (FLR) flights from USD719

*Modifying this information may result in a different fare

*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Saint Louis and Florence

cmp-daily-histogram-bars-legend-min-price-aria-label USD719
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.3K
Displaying fares for September-2026
  • STL–FLR, 09/14/2026 – 09/21/2026: From USD1,136
    14

    Mo

    SEP

  • STL–FLR, 09/15/2026 – 10/06/2026: From USD1,076
    15

    Tu

  • STL–FLR, 09/16/2026 – 09/23/2026: From USD1,076
    16

    We

  • STL–FLR, 09/17/2026 – 10/01/2026: From USD1,136
    17

    Th

  • STL–FLR, 09/18/2026 – 09/25/2026: From USD1,136
    18

    Fr

  • STL–FLR, 09/19/2026 – 09/26/2026: From USD1,196
    19

    Sa

  • STL–FLR, 09/20/2026 – 10/18/2026: From USD1,231
    20

    Su

  • STL–FLR, 09/21/2026 – 10/12/2026: From USD846
    21

    Mo

  • STL–FLR, 09/22/2026 – 10/06/2026: From USD779
    22

    Tu

  • STL–FLR, 09/23/2026 – 10/21/2026: From USD783
    23

    We

  • STL–FLR, 09/24/2026 – 10/22/2026: From USD839
    24

    Th

  • STL–FLR, 09/25/2026 – 10/02/2026: From USD846
    25

    Fr

  • STL–FLR, 09/26/2026 – 10/03/2026: From USD1,136
    26

    Sa

  • STL–FLR, 09/27/2026 – 10/18/2026: From USD1,083
    27

    Su

  • STL–FLR, 09/28/2026 – 10/12/2026: From USD846
    28

    Mo

  • STL–FLR, 09/29/2026 – 10/06/2026: From USD779
    29

    Tu

  • STL–FLR, 09/30/2026 – 10/21/2026: From USD932
    30

    We

  • STL–FLR, 10/01/2026 – 10/22/2026: From USD1,298
    01

    Th

    OCT

  • STL–FLR, 10/02/2026 – 10/23/2026: From USD1,083
    02

    Fr

  • STL–FLR, 10/03/2026 – 10/24/2026: From USD1,210
    03

    Sa

  • STL–FLR, 10/04/2026 – 11/01/2026: From USD988
    04

    Su

  • STL–FLR, 10/05/2026 – 11/02/2026: From USD839
    05

    Mo

  • STL–FLR, 10/06/2026 – 11/03/2026: From USD779
    06

    Tu

  • STL–FLR, 10/07/2026 – 11/04/2026: From USD1,016
    07

    We

  • STL–FLR, 10/08/2026 – 11/05/2026: From USD1,268
    08

    Th

  • STL–FLR, 10/09/2026 – 11/06/2026: From USD1,120
    09

    Fr

  • STL–FLR, 10/10/2026 – 11/07/2026: From USD859
    10

    Sa

  • STL–FLR, 10/11/2026 – 11/08/2026: From USD799
    11

    Su

  • STL–FLR, 10/12/2026 – 11/09/2026: From USD799
    12

    Mo

  • STL–FLR, 10/13/2026 – 11/10/2026: From USD719
    13

    Tu

  • RangeUSD719-USD1,298