Seattle (SEA) to Florence (FLR) flights from USD624

*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 Seattle and Florence

cmp-daily-histogram-bars-legend-min-price-aria-label USD625
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.3K
Displaying fares for September-2026
  • SEA–FLR, 09/17/2026 – 10/15/2026: From USD1,109
    17

    Th

    SEP

  • SEA–FLR, 09/18/2026 – 09/25/2026: From USD1,048
    18

    Fr

  • SEA–FLR, 09/19/2026 – 09/26/2026: From USD1,252
    19

    Sa

  • SEA–FLR, 09/20/2026 – 09/27/2026: From USD1,109
    20

    Su

  • SEA–FLR, 09/21/2026 – 10/19/2026: From USD971
    21

    Mo

  • SEA–FLR, 09/22/2026 – 10/06/2026: From USD679
    22

    Tu

  • SEA–FLR, 09/23/2026 – 09/30/2026: From USD696
    23

    We

  • SEA–FLR, 09/24/2026 – 10/08/2026: From USD727
    24

    Th

  • SEA–FLR, 09/25/2026 – 10/02/2026: From USD745
    25

    Fr

  • SEA–FLR, 09/26/2026 – 10/10/2026: From USD787
    26

    Sa

  • SEA–FLR, 09/27/2026 – 10/18/2026: From USD996
    27

    Su

  • SEA–FLR, 09/28/2026 – 10/12/2026: From USD685
    28

    Mo

  • SEA–FLR, 09/29/2026 – 10/06/2026: From USD667
    29

    Tu

  • SEA–FLR, 09/30/2026 – 10/14/2026: From USD914
    30

    We

  • SEA–FLR, 10/01/2026 – 10/15/2026: From USD1,020
    01

    Th

    OCT

  • SEA–FLR, 10/02/2026 – 10/09/2026: From USD987
    02

    Fr

  • SEA–FLR, 10/03/2026 – 10/10/2026: From USD805
    03

    Sa

  • SEA–FLR, 10/04/2026 – 10/11/2026: From USD963
    04

    Su

  • SEA–FLR, 10/05/2026 – 10/19/2026: From USD685
    05

    Mo

  • SEA–FLR, 10/06/2026 – 10/13/2026: From USD685
    06

    Tu

  • SEA–FLR, 10/07/2026 – 11/04/2026: From USD910
    07

    We

  • SEA–FLR, 10/08/2026 – 11/05/2026: From USD940
    08

    Th

  • SEA–FLR, 10/09/2026 – 11/06/2026: From USD726
    09

    Fr

  • SEA–FLR, 10/10/2026 – 11/07/2026: From USD765
    10

    Sa

  • SEA–FLR, 10/11/2026 – 11/08/2026: From USD705
    11

    Su

  • SEA–FLR, 10/12/2026 – 11/09/2026: From USD668
    12

    Mo

  • SEA–FLR, 10/13/2026 – 11/10/2026: From USD637
    13

    Tu

  • SEA–FLR, 10/14/2026 – 11/11/2026: From USD625
    14

    We

  • SEA–FLR, 10/15/2026 – 11/12/2026: From USD800
    15

    Th

  • SEA–FLR, 10/16/2026 – 11/06/2026: From USD675
    16

    Fr

  • RangeUSD625-USD1,252