American Airlines flights from San Francisco to Portland, ME

Recent searches for flights from San Francisco to Portland, ME

Aug 2026
From$379*
Updated: 6 minutes ago
Round tripIEconomy
Sep 2026
From$379*
Updated: 6 minutes ago
Round tripIEconomy
Oct 2026
From$379*
Updated: 6 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $379
cmp-daily-histogram-bars-legend-max-price-aria-label $893
Displaying fares for August-2026
  • SFO–PWM: cmp-view-offers-disclaimer. Find Offers
    04

    Tu

    AUG

  • SFO–PWM, 08/05/26 – 08/12/26: From $659
    05

    We

  • SFO–PWM, 08/06/26 – 08/13/26: From $893
    06

    Th

  • SFO–PWM, 08/07/26 – 08/14/26: From $659
    07

    Fr

  • SFO–PWM, 08/08/26 – 08/15/26: From $664
    08

    Sa

  • SFO–PWM, 08/09/26 – 08/16/26: From $748
    09

    Su

  • SFO–PWM, 08/10/26 – 08/17/26: From $869
    10

    Mo

  • SFO–PWM, 08/11/26 – 08/18/26: From $574
    11

    Tu

  • SFO–PWM, 08/12/26 – 08/19/26: From $524
    12

    We

  • SFO–PWM, 08/13/26 – 08/20/26: From $608
    13

    Th

  • SFO–PWM, 08/14/26 – 08/21/26: From $529
    14

    Fr

  • SFO–PWM, 08/15/26 – 08/22/26: From $548
    15

    Sa

  • SFO–PWM, 08/16/26 – 08/23/26: From $524
    16

    Su

  • SFO–PWM, 08/17/26 – 08/24/26: From $574
    17

    Mo

  • SFO–PWM, 08/18/26 – 08/25/26: From $419
    18

    Tu

  • SFO–PWM, 08/19/26 – 08/26/26: From $469
    19

    We

  • SFO–PWM, 08/20/26 – 08/27/26: From $568
    20

    Th

  • SFO–PWM, 08/21/26 – 08/28/26: From $568
    21

    Fr

  • SFO–PWM, 08/22/26 – 08/29/26: From $469
    22

    Sa

  • SFO–PWM, 08/23/26 – 08/30/26: From $419
    23

    Su

  • SFO–PWM, 08/24/26 – 08/31/26: From $459
    24

    Mo

  • SFO–PWM, 08/25/26 – 09/01/26: From $379
    25

    Tu

  • SFO–PWM, 08/26/26 – 09/02/26: From $379
    26

    We

  • SFO–PWM, 08/27/26 – 09/03/26: From $419
    27

    Th

  • SFO–PWM, 08/28/26 – 09/04/26: From $379
    28

    Fr

  • SFO–PWM, 08/29/26 – 09/05/26: From $379
    29

    Sa

  • SFO–PWM, 08/30/26 – 09/06/26: From $460
    30

    Su

  • SFO–PWM, 08/31/26 – 09/07/26: From $694
    31

    Mo

  • SFO–PWM: cmp-view-offers-disclaimer. Find Offers
    01

    Tu

    SEP

  • SFO–PWM: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • SFO–PWM: cmp-view-offers-disclaimer. Find Offers
    03

    Th

    • range$379-$893

    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)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    09/10/26 - 09/17/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 minutes ago

    San Francisco (SFO)to

    Portland, ME (PWM)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $379Fare subject to changes
    Updated: 6 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 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

    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 San Francisco to Portland, ME