American Airlines flights from San Diego to Portland, ME

Recent searches for flights from San Diego to Portland, ME

Sep 2026
From$603*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$473*
Updated: 20 hours ago
Round tripIEconomy
Nov 2026
From$497*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $473
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for September-2026
  • SAN–PWM, 09/13/26 – 09/20/26: From $1,031
    13

    Su

    SEP

  • SAN–PWM, 09/14/26 – 09/21/26: From $891
    14

    Mo

  • SAN–PWM, 09/15/26 – 09/22/26: From $1,004
    15

    Tu

  • SAN–PWM, 09/16/26 – 09/23/26: From $872
    16

    We

  • SAN–PWM, 09/17/26 – 09/24/26: From $1,031
    17

    Th

  • SAN–PWM, 09/18/26 – 09/25/26: From $891
    18

    Fr

  • SAN–PWM, 09/19/26 – 09/26/26: From $781
    19

    Sa

  • SAN–PWM, 09/20/26 – 09/27/26: From $1,049
    20

    Su

  • SAN–PWM, 09/21/26 – 09/28/26: From $855
    21

    Mo

  • SAN–PWM, 09/22/26 – 09/29/26: From $719
    22

    Tu

  • SAN–PWM, 09/23/26 – 09/30/26: From $887
    23

    We

  • SAN–PWM, 09/24/26 – 10/01/26: From $943
    24

    Th

  • SAN–PWM, 09/25/26 – 10/02/26: From $749
    25

    Fr

  • SAN–PWM, 09/26/26 – 10/03/26: From $719
    26

    Sa

  • SAN–PWM, 09/27/26 – 10/04/26: From $826
    27

    Su

  • SAN–PWM, 09/28/26 – 10/05/26: From $698
    28

    Mo

  • SAN–PWM, 09/29/26 – 10/06/26: From $603
    29

    Tu

  • SAN–PWM, 09/30/26 – 10/07/26: From $660
    30

    We

  • SAN–PWM, 10/01/26 – 10/06/26: From $595
    01

    Th

    OCT

  • SAN–PWM, 10/02/26 – 10/06/26: From $535
    02

    Fr

  • SAN–PWM, 10/03/26 – 10/06/26: From $473
    03

    Sa

  • SAN–PWM, 10/04/26 – 10/11/26: From $959
    04

    Su

  • SAN–PWM, 10/05/26 – 10/12/26: From $959
    05

    Mo

  • SAN–PWM, 10/06/26 – 10/13/26: From $859
    06

    Tu

  • SAN–PWM, 10/07/26 – 10/14/26: From $603
    07

    We

  • SAN–PWM, 10/08/26 – 10/15/26: From $743
    08

    Th

  • SAN–PWM, 10/09/26 – 10/16/26: From $637
    09

    Fr

  • SAN–PWM, 10/10/26 – 10/17/26: From $608
    10

    Sa

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

    Su

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

    Mo

    • range$473-$1,049

    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 Diego to Portland, ME flights

    $
    keyboard_arrow_down

    San Diego (SAN)to

    Portland, ME (PWM)
    10/03/26 - 10/06/26

    Round trip

    Economy

    from
    $473Fare subject to changes
    Updated: 20 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    10/25/26 - 11/01/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    12/06/26 - 12/13/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    12/07/26 - 12/14/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 hours ago

    San Diego (SAN)to

    Portland, ME (PWM)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $497Fare subject to changes
    Updated: 5 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 Diego to Portland, ME

    Looking for lower fares on your trip from San Diego 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

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    American Airlines flights from San Diego to Portland, ME