American Airlines flights from San Francisco to Portland, ME

Recent searches for flights from San Francisco to Portland, ME

Sep 2026
From$483*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$419*
Updated: 4 hours ago
Round tripIEconomy
Nov 2026
From$419*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $483
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for September-2026
  • SFO–PWM, 09/13/26 – 09/20/26: From $825
    13

    Su

    SEP

  • SFO–PWM, 09/14/26 – 09/21/26: From $825
    14

    Mo

  • SFO–PWM, 09/15/26 – 09/22/26: From $615
    15

    Tu

  • SFO–PWM, 09/16/26 – 09/23/26: From $581
    16

    We

  • SFO–PWM, 09/17/26 – 09/24/26: From $898
    17

    Th

  • SFO–PWM, 09/18/26 – 09/25/26: From $581
    18

    Fr

  • SFO–PWM, 09/19/26 – 09/26/26: From $581
    19

    Sa

  • SFO–PWM, 09/20/26 – 09/27/26: From $824
    20

    Su

  • SFO–PWM, 09/21/26 – 09/28/26: From $824
    21

    Mo

  • SFO–PWM, 09/22/26 – 09/29/26: From $540
    22

    Tu

  • SFO–PWM, 09/23/26 – 09/30/26: From $574
    23

    We

  • SFO–PWM, 09/24/26 – 10/01/26: From $859
    24

    Th

  • SFO–PWM, 09/25/26 – 10/02/26: From $574
    25

    Fr

  • SFO–PWM, 09/26/26 – 10/03/26: From $569
    26

    Sa

  • SFO–PWM, 09/27/26 – 10/04/26: From $812
    27

    Su

  • SFO–PWM, 09/28/26 – 10/05/26: From $812
    28

    Mo

  • SFO–PWM, 09/29/26 – 10/06/26: From $574
    29

    Tu

  • SFO–PWM, 09/30/26 – 10/07/26: From $483
    30

    We

  • SFO–PWM, 10/01/26 – 10/08/26: From $1,047
    01

    Th

    OCT

  • SFO–PWM, 10/02/26 – 10/09/26: From $709
    02

    Fr

  • SFO–PWM, 10/03/26 – 10/10/26: From $634
    03

    Sa

  • SFO–PWM, 10/04/26 – 10/11/26: From $857
    04

    Su

  • SFO–PWM, 10/05/26 – 10/12/26: From $1,089
    05

    Mo

  • SFO–PWM, 10/06/26 – 10/13/26: From $594
    06

    Tu

  • SFO–PWM, 10/07/26 – 10/14/26: From $488
    07

    We

  • SFO–PWM, 10/08/26 – 10/15/26: From $739
    08

    Th

  • SFO–PWM, 10/09/26 – 10/16/26: From $618
    09

    Fr

  • SFO–PWM, 10/10/26 – 10/17/26: From $488
    10

    Sa

  • SFO–PWM: cmp-view-offers-disclaimer. Find Offers
    11

    Su

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

    Mo

    • range$483-$1,089

    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 Portland, ME flights

    $
    keyboard_arrow_down

    San Francisco (SFO)to

    Portland, ME (PWM)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 14 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 14 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 14 hours ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    11/12/26 - 11/19/26

    Round trip

    Economy

    from
    $419Fare subject to changes
    Updated: 14 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 San Francisco to Portland, ME

    Looking for lower fares on your trip from San Francisco to Portland, ME? 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 San Francisco to Portland, ME