Alaska Airlines Flights from San Francisco to Philadelphia

Lowest fares from San Francisco to Philadelphia

Apr 2026
From$210*
Seen: 10 hours ago
Flight Type One Way|Saver
May 2026
From$165*
Seen: 10 hours ago
Flight Type One Way|Saver
Jun 2026
From$165*
Seen: 10 hours ago
Flight Type One Way|Saver
$165
$645
Displaying fares for April-2026
  • 15

    We

    APR

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 01

    Fr

    MAY

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

    • Range$165-$645

    *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: May 5, 2026

    From

    $165

    Seen: 10 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: May 24, 2026

    From

    $165

    Seen: 10 hours ago

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

    From

    $165

    Seen: 10 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Jun 2, 2026

    From

    $165

    Seen: 10 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 1, 2026

    From

    $185

    Seen: 10 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 2, 2026

    From

    $185

    Seen: 10 hours ago

    San Francisco (SFO)Philadelphia (PHL)One-way
    |
    Saver    		Depart: Sep 9, 2026

    From

    $185

    Seen: 10 hours ago

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

    From

    $185

    Seen: 10 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