Alaska Airlines Flights from San Francisco to Philadelphia

Lowest fares from San Francisco to Philadelphia

Aug 2026
From$389*
Seen: 18 hours ago
Flight Type One Way|Saver
Sep 2026
From$170*
Seen: 18 hours ago
Flight Type One Way|Saver
Oct 2026
From$170*
Seen: 18 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 $651
Displaying fares for August-2026
  • SFO–PHL, Aug 13, 2026: From $394
    13

    Th

    AUG

  • SFO–PHL, Aug 14, 2026: From $469
    14

    Fr

  • SFO–PHL, Aug 15, 2026: From $474
    15

    Sa

  • SFO–PHL, Aug 16, 2026: From $469
    16

    Su

  • SFO–PHL, Aug 17, 2026: From $394
    17

    Mo

  • SFO–PHL, Aug 18, 2026: From $469
    18

    Tu

  • SFO–PHL, Aug 19, 2026: From $469
    19

    We

  • SFO–PHL, Aug 20, 2026: From $469
    20

    Th

  • SFO–PHL, Aug 21, 2026: From $389
    21

    Fr

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

    Sa

  • SFO–PHL, Aug 23, 2026: From $469
    23

    Su

  • SFO–PHL, Aug 24, 2026: From $469
    24

    Mo

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

    Tu

  • SFO–PHL, Aug 26, 2026: From $389
    26

    We

  • SFO–PHL, Aug 27, 2026: From $469
    27

    Th

  • SFO–PHL, Aug 28, 2026: From $389
    28

    Fr

  • SFO–PHL, Aug 29, 2026: From $389
    29

    Sa

  • SFO–PHL, Aug 30, 2026: From $389
    30

    Su

  • SFO–PHL, Aug 31, 2026: From $389
    31

    Mo

  • SFO–PHL, Sep 1, 2026: From $205
    01

    Tu

    SEP

  • SFO–PHL, Sep 2, 2026: From $259
    02

    We

  • SFO–PHL, Sep 3, 2026: From $389
    03

    Th

  • SFO–PHL, Sep 4, 2026: From $469
    04

    Fr

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

    Sa

  • SFO–PHL, Sep 6, 2026: From $259
    06

    Su

  • SFO–PHL, Sep 7, 2026: From $651
    07

    Mo

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

    Tu

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

    We

  • SFO–PHL, Sep 10, 2026: From $209
    10

    Th

  • SFO–PHL, Sep 11, 2026: From $204
    11

    Fr

  • SFO–PHL, Sep 12, 2026: From $389
    12

    Sa

    • Range$170-$651

    *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 San Francisco to Philadelphia.*

    $
    keyboard_arrow_down
    One-way low-fare flights San Francisco to Philadelphia.*
    From
    To
    Fare Type
    Dates
    Price
    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 5, 2026

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 14, 2026

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 22, 2026

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Oct 3, 2026

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Oct 5, 2026

    From

    $170

    Seen: 18 hours ago

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

    From

    $170

    Seen: 18 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Oct 17, 2026

    From

    $170

    Seen: 18 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.

    Explore Alaska Airlines's Flights to Top-Pick Destinations