American Airlines flights from San Francisco to Key West

Recent searches for flights from San Francisco to Key West

Sep 2026
From$418*
Updated: 59 minutes ago
Round tripIEconomy
Oct 2026
From$321*
Updated: 59 minutes ago
Round tripIEconomy
Nov 2026
From$321*
Updated: 59 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $368
cmp-daily-histogram-bars-legend-max-price-aria-label $992
Displaying fares for September-2026
  • SFO–EYW, 09/14/26 – 09/21/26: From $694
    14

    Mo

    SEP

  • SFO–EYW, 09/15/26 – 09/22/26: From $458
    15

    Tu

  • SFO–EYW, 09/16/26 – 09/23/26: From $458
    16

    We

  • SFO–EYW, 09/17/26 – 09/24/26: From $615
    17

    Th

  • SFO–EYW, 09/18/26 – 09/25/26: From $654
    18

    Fr

  • SFO–EYW, 09/19/26 – 09/26/26: From $487
    19

    Sa

  • SFO–EYW, 09/20/26 – 09/27/26: From $992
    20

    Su

  • SFO–EYW, 09/21/26 – 09/28/26: From $654
    21

    Mo

  • SFO–EYW, 09/22/26 – 09/29/26: From $495
    22

    Tu

  • SFO–EYW, 09/23/26 – 09/30/26: From $421
    23

    We

  • SFO–EYW, 09/24/26 – 10/01/26: From $541
    24

    Th

  • SFO–EYW, 09/25/26 – 10/02/26: From $541
    25

    Fr

  • SFO–EYW, 09/26/26 – 10/03/26: From $450
    26

    Sa

  • SFO–EYW, 09/27/26 – 10/04/26: From $964
    27

    Su

  • SFO–EYW, 09/28/26 – 10/05/26: From $447
    28

    Mo

  • SFO–EYW, 09/29/26 – 10/06/26: From $418
    29

    Tu

  • SFO–EYW, 09/30/26 – 10/07/26: From $447
    30

    We

  • SFO–EYW, 10/01/26 – 10/08/26: From $477
    01

    Th

    OCT

  • SFO–EYW, 10/02/26 – 10/09/26: From $447
    02

    Fr

  • SFO–EYW, 10/03/26 – 10/10/26: From $517
    03

    Sa

  • SFO–EYW, 10/04/26 – 10/11/26: From $964
    04

    Su

  • SFO–EYW, 10/05/26 – 10/12/26: From $835
    05

    Mo

  • SFO–EYW, 10/06/26 – 10/13/26: From $514
    06

    Tu

  • SFO–EYW, 10/07/26 – 10/14/26: From $368
    07

    We

  • SFO–EYW, 10/08/26 – 10/15/26: From $555
    08

    Th

  • SFO–EYW, 10/09/26 – 10/16/26: From $477
    09

    Fr

  • SFO–EYW, 10/10/26 – 10/17/26: From $415
    10

    Sa

  • SFO–EYW, 10/11/26 – 10/18/26: From $732
    11

    Su

  • SFO–EYW: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

  • SFO–EYW: cmp-view-offers-disclaimer. Find Offers
    13

    Tu

    • range$368-$992

    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 San Francisco to Key West flights

    $
    keyboard_arrow_down

    San Francisco (SFO)to

    Key West (EYW)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes ago

    San Francisco (SFO)to

    Key West (EYW)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $321Fare subject to changes
    Updated: 59 minutes 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 San Francisco to Key West

    Looking for lower fares on your trip from San Francisco to Key West? 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

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    American Airlines flights from San Francisco to Key West