American Airlines flights from Portland, OR to San Francisco

Recent searches for flights from Portland, OR to San Francisco

Sep 2026
From$321*
Updated: 41 minutes ago
Round tripIEconomy
Oct 2026
From$159*
Updated: 10 hours ago
Round tripIEconomy
Nov 2026
From$159*
Updated: 41 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $578
Displaying fares for September-2026
  • PDX–SFO, 09/13/26 – 09/20/26: From $578
    13

    Su

    SEP

  • PDX–SFO, 09/14/26 – 09/21/26: From $578
    14

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  • PDX–SFO, 09/15/26 – 09/22/26: From $578
    15

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  • PDX–SFO, 09/16/26 – 09/23/26: From $578
    16

    We

  • PDX–SFO, 09/17/26 – 09/24/26: From $578
    17

    Th

  • PDX–SFO, 09/18/26 – 09/25/26: From $578
    18

    Fr

  • PDX–SFO, 09/19/26 – 09/26/26: From $483
    19

    Sa

  • PDX–SFO, 09/20/26 – 09/27/26: From $483
    20

    Su

  • PDX–SFO, 09/21/26 – 09/28/26: From $483
    21

    Mo

  • PDX–SFO, 09/22/26 – 09/29/26: From $483
    22

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  • PDX–SFO, 09/23/26 – 09/30/26: From $483
    23

    We

  • PDX–SFO, 09/24/26 – 10/01/26: From $483
    24

    Th

  • PDX–SFO, 09/25/26 – 10/02/26: From $483
    25

    Fr

  • PDX–SFO, 09/26/26 – 10/03/26: From $321
    26

    Sa

  • PDX–SFO, 09/27/26 – 10/04/26: From $556
    27

    Su

  • PDX–SFO, 09/28/26 – 10/05/26: From $422
    28

    Mo

  • PDX–SFO, 09/29/26 – 10/06/26: From $321
    29

    Tu

  • PDX–SFO, 09/30/26 – 10/07/26: From $321
    30

    We

  • PDX–SFO, 10/01/26 – 10/08/26: From $445
    01

    Th

    OCT

  • PDX–SFO, 10/02/26 – 10/09/26: From $442
    02

    Fr

  • PDX–SFO, 10/03/26 – 10/10/26: From $205
    03

    Sa

  • PDX–SFO, 10/04/26 – 10/11/26: From $455
    04

    Su

  • PDX–SFO, 10/05/26 – 10/12/26: From $281
    05

    Mo

  • PDX–SFO, 10/06/26 – 10/13/26: From $159
    06

    Tu

  • PDX–SFO, 10/07/26 – 10/14/26: From $159
    07

    We

  • PDX–SFO, 10/08/26 – 10/15/26: From $338
    08

    Th

  • PDX–SFO, 10/09/26 – 10/16/26: From $359
    09

    Fr

  • PDX–SFO, 10/10/26 – 10/17/26: From $235
    10

    Sa

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

    Su

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

    Mo

    • range$159-$578

    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)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 10 hours ago

    Portland, OR (PDX)to

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

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

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

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

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

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 minutes ago

    Portland, OR (PDX)to

    San Francisco (SFO)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $159Fare subject to changes
    Updated: 41 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 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

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    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
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    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Portland, OR to San Francisco