American Airlines flights from Portland, OR to San Francisco

Recent searches for flights from Portland, OR to San Francisco

Aug 2026
From$171*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$171*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$171*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $171
cmp-daily-histogram-bars-legend-max-price-aria-label $632
Displaying fares for August-2026
  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    01

    Sa

    AUG

  • PDX–SFO, 08/02/26 – 08/09/26: From $632
    02

    Su

  • PDX–SFO, 08/03/26 – 08/10/26: From $632
    03

    Mo

  • PDX–SFO, 08/04/26 – 08/11/26: From $632
    04

    Tu

  • PDX–SFO, 08/05/26 – 08/12/26: From $632
    05

    We

  • PDX–SFO, 08/06/26 – 08/13/26: From $632
    06

    Th

  • PDX–SFO, 08/07/26 – 08/14/26: From $632
    07

    Fr

  • PDX–SFO, 08/08/26 – 08/15/26: From $523
    08

    Sa

  • PDX–SFO, 08/09/26 – 08/16/26: From $523
    09

    Su

  • PDX–SFO, 08/10/26 – 08/17/26: From $543
    10

    Mo

  • PDX–SFO, 08/11/26 – 08/18/26: From $523
    11

    Tu

  • PDX–SFO, 08/12/26 – 08/19/26: From $523
    12

    We

  • PDX–SFO, 08/13/26 – 08/20/26: From $523
    13

    Th

  • PDX–SFO, 08/14/26 – 08/16/26: From $479
    14

    Fr

  • PDX–SFO, 08/15/26 – 08/22/26: From $367
    15

    Sa

  • PDX–SFO, 08/16/26 – 08/23/26: From $398
    16

    Su

  • PDX–SFO, 08/17/26 – 08/24/26: From $325
    17

    Mo

  • PDX–SFO, 08/18/26 – 08/25/26: From $325
    18

    Tu

  • PDX–SFO, 08/19/26 – 08/26/26: From $325
    19

    We

  • PDX–SFO, 08/20/26 – 08/27/26: From $392
    20

    Th

  • PDX–SFO, 08/21/26 – 08/28/26: From $367
    21

    Fr

  • PDX–SFO, 08/22/26 – 08/29/26: From $171
    22

    Sa

  • PDX–SFO, 08/23/26 – 08/30/26: From $317
    23

    Su

  • PDX–SFO, 08/24/26 – 08/31/26: From $204
    24

    Mo

  • PDX–SFO, 08/25/26 – 09/01/26: From $171
    25

    Tu

  • PDX–SFO, 08/26/26 – 09/02/26: From $171
    26

    We

  • PDX–SFO, 08/27/26 – 09/03/26: From $347
    27

    Th

  • PDX–SFO, 08/28/26 – 09/04/26: From $386
    28

    Fr

  • PDX–SFO, 08/29/26 – 09/01/26: From $171
    29

    Sa

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    30

    Su

  • PDX–SFO: cmp-view-offers-disclaimer. Find Offers
    31

    Mo

    • range$171-$632

    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 Portland, OR to San Francisco flights

    $
    keyboard_arrow_down

    Portland, OR (PDX)to

    San Francisco (SFO)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    09/01/26 - 09/08/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    09/02/26 - 09/09/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    09/09/26 - 09/16/26

    Round trip

    Economy

    from
    $171Fare subject to changes
    Updated: 5 hours ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $171Fare 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 Portland, OR to San Francisco

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