Alaska Airlines Flights from Philadelphia to San Francisco

Lowest fares from Philadelphia to San Francisco

Aug 2026
From$190*
Seen: 14 hours ago
Flight Type One Way|Saver
Sep 2026
From$170*
Seen: 14 hours ago
Flight Type One Way|Saver
Oct 2026
From$170*
Seen: 14 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $637
Displaying fares for August-2026
  • PHL–SFO, Aug 12, 2026: From $322
    12

    We

    AUG

  • PHL–SFO, Aug 13, 2026: From $389
    13

    Th

  • PHL–SFO, Aug 14, 2026: From $282
    14

    Fr

  • PHL–SFO, Aug 15, 2026: From $234
    15

    Sa

  • PHL–SFO, Aug 16, 2026: From $322
    16

    Su

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

    Mo

  • PHL–SFO, Aug 18, 2026: From $230
    18

    Tu

  • PHL–SFO, Aug 19, 2026: From $389
    19

    We

  • PHL–SFO, Aug 20, 2026: From $255
    20

    Th

  • PHL–SFO, Aug 21, 2026: From $279
    21

    Fr

  • PHL–SFO, Aug 22, 2026: From $389
    22

    Sa

  • PHL–SFO, Aug 23, 2026: From $389
    23

    Su

  • PHL–SFO, Aug 24, 2026: From $255
    24

    Mo

  • PHL–SFO, Aug 25, 2026: From $389
    25

    Tu

  • PHL–SFO, Aug 26, 2026: From $322
    26

    We

  • PHL–SFO, Aug 27, 2026: From $190
    27

    Th

  • PHL–SFO, Aug 28, 2026: From $259
    28

    Fr

  • PHL–SFO, Aug 29, 2026: From $259
    29

    Sa

  • PHL–SFO, Aug 30, 2026: From $322
    30

    Su

  • PHL–SFO, Aug 31, 2026: From $190
    31

    Mo

  • PHL–SFO, Sep 1, 2026: From $170
    01

    Tu

    SEP

  • PHL–SFO, Sep 2, 2026: From $170
    02

    We

  • PHL–SFO, Sep 3, 2026: From $170
    03

    Th

  • PHL–SFO, Sep 4, 2026: From $205
    04

    Fr

  • PHL–SFO, Sep 5, 2026: From $170
    05

    Sa

  • PHL–SFO, Sep 6, 2026: From $170
    06

    Su

  • PHL–SFO, Sep 7, 2026: From $637
    07

    Mo

  • PHL–SFO, Sep 8, 2026: From $322
    08

    Tu

  • PHL–SFO, Sep 9, 2026: From $170
    09

    We

  • PHL–SFO, Sep 10, 2026: From $170
    10

    Th

  • PHL–SFO, Sep 11, 2026: From $170
    11

    Fr

    • Range$170-$637

    *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 Philadelphia to San Francisco.*

    $
    keyboard_arrow_down
    One-way low-fare flights Philadelphia to San Francisco.*
    From
    To
    Fare Type
    Dates
    Price
    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Nov 12, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Nov 18, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 10, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 16, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $170

    Seen: 14 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Sep 30, 2026

    From

    $170

    Seen: 14 hours 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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