Alaska Airlines Flights from Portland to San Francisco

Lowest fares from Portland to San Francisco

Aug 2026
From$95*
Seen: 20 minutes ago
Flight Type One Way|Saver
Sep 2026
From$69*
Seen: 14 hours ago
Flight Type One Way|Saver
Oct 2026
From$69*
Seen: 14 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $69
cmp-daily-histogram-bars-legend-max-price-aria-label $420
Displaying fares for August-2026
  • PDX–SFO, Aug 13, 2026: From $420
    13

    Th

    AUG

  • PDX–SFO, Aug 14, 2026: From $420
    14

    Fr

  • PDX–SFO, Aug 15, 2026: From $384
    15

    Sa

  • PDX–SFO, Aug 16, 2026: From $282
    16

    Su

  • PDX–SFO, Aug 17, 2026: From $282
    17

    Mo

  • PDX–SFO, Aug 18, 2026: From $334
    18

    Tu

  • PDX–SFO, Aug 19, 2026: From $222
    19

    We

  • PDX–SFO, Aug 20, 2026: From $222
    20

    Th

  • PDX–SFO, Aug 21, 2026: From $222
    21

    Fr

  • PDX–SFO, Aug 22, 2026: From $222
    22

    Sa

  • PDX–SFO, Aug 23, 2026: From $222
    23

    Su

  • PDX–SFO, Aug 24, 2026: From $222
    24

    Mo

  • PDX–SFO, Aug 25, 2026: From $222
    25

    Tu

  • PDX–SFO, Aug 26, 2026: From $220
    26

    We

  • PDX–SFO, Aug 27, 2026: From $220
    27

    Th

  • PDX–SFO, Aug 28, 2026: From $220
    28

    Fr

  • PDX–SFO, Aug 29, 2026: From $220
    29

    Sa

  • PDX–SFO, Aug 30, 2026: From $220
    30

    Su

  • PDX–SFO, Aug 31, 2026: From $95
    31

    Mo

  • PDX–SFO, Sep 1, 2026: From $95
    01

    Tu

    SEP

  • PDX–SFO, Sep 2, 2026: From $95
    02

    We

  • PDX–SFO, Sep 3, 2026: From $95
    03

    Th

  • PDX–SFO, Sep 4, 2026: From $103
    04

    Fr

  • PDX–SFO, Sep 5, 2026: From $69
    05

    Sa

  • PDX–SFO, Sep 6, 2026: From $69
    06

    Su

  • PDX–SFO, Sep 7, 2026: From $170
    07

    Mo

  • PDX–SFO, Sep 8, 2026: From $95
    08

    Tu

  • PDX–SFO, Sep 9, 2026: From $95
    09

    We

  • PDX–SFO, Sep 10, 2026: From $95
    10

    Th

  • PDX–SFO, Sep 11, 2026: From $69
    11

    Fr

  • PDX–SFO, Sep 12, 2026: From $95
    12

    Sa

    • Range$69-$420

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Portland to San Francisco.*

    $
    keyboard_arrow_down
    One-way low-fare flights Portland to San Francisco.*
    From
    To
    Fare Type
    Dates
    Price
    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 11, 2026

    From

    $69

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Oct 30, 2026

    From

    $69

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Dec 25, 2026

    From

    $69

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Nov 26, 2026

    From

    $77

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Oct 7, 2026

    From

    $95

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Oct 15, 2026

    From

    $95

    Seen: 14 hours ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 5, 2026

    From

    $69

    Seen: 1 hour ago

    Portland (PDX)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 6, 2026

    From

    $69

    Seen: 13 minutes ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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