Flights from Philadelphia (PHL) to San Francisco (SFO) on Alaska Airlines

Lowest fares from Philadelphia to San Francisco

Nov 2026
From$263*
Seen: 18 hours ago
Flight Type One Way|Saver
Dec 2026
From$205*
Seen: 18 hours ago
Flight Type One Way|Saver
Jan 2027
From$210*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $205
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for November-2026
  • PHL–SFO, Nov 11, 2026: From $349
    11

    We

    NOV

  • PHL–SFO, Nov 12, 2026: From $424
    12

    Th

  • PHL–SFO, Nov 13, 2026: From $496
    13

    Fr

  • PHL–SFO, Nov 14, 2026: From $496
    14

    Sa

  • PHL–SFO, Nov 15, 2026: From $852
    15

    Su

  • PHL–SFO, Nov 16, 2026: From $1,052
    16

    Mo

  • PHL–SFO, Nov 17, 2026: From $284
    17

    Tu

  • PHL–SFO, Nov 18, 2026: From $263
    18

    We

  • PHL–SFO, Nov 19, 2026: From $294
    19

    Th

  • PHL–SFO, Nov 20, 2026: From $294
    20

    Fr

  • PHL–SFO, Nov 21, 2026: From $419
    21

    Sa

  • PHL–SFO, Nov 22, 2026: From $496
    22

    Su

  • PHL–SFO, Nov 23, 2026: From $419
    23

    Mo

  • PHL–SFO, Nov 24, 2026: From $496
    24

    Tu

  • PHL–SFO, Nov 25, 2026: From $797
    25

    We

  • PHL–SFO, Nov 26, 2026: From $590
    26

    Th

  • PHL–SFO, Nov 27, 2026: From $1,093
    27

    Fr

  • PHL–SFO, Nov 28, 2026: From $1,108
    28

    Sa

  • PHL–SFO, Nov 29, 2026: From $1,108
    29

    Su

  • PHL–SFO, Nov 30, 2026: From $880
    30

    Mo

  • PHL–SFO, Dec 1, 2026: From $614
    01

    Tu

    DEC

  • PHL–SFO, Dec 2, 2026: From $284
    02

    We

  • PHL–SFO, Dec 3, 2026: From $205
    03

    Th

  • PHL–SFO, Dec 4, 2026: From $225
    04

    Fr

  • PHL–SFO, Dec 5, 2026: From $225
    05

    Sa

  • PHL–SFO, Dec 6, 2026: From $496
    06

    Su

  • PHL–SFO, Dec 7, 2026: From $549
    07

    Mo

  • PHL–SFO, Dec 8, 2026: From $205
    08

    Tu

  • PHL–SFO, Dec 9, 2026: From $205
    09

    We

  • PHL–SFO, Dec 10, 2026: From $225
    10

    Th

    • Range$205-$1,108

    *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: Dec 8, 2026

    From

    $205

    Seen: 18 hours ago

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

    From

    $205

    Seen: 18 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Apr 24, 2027

    From

    $205

    Seen: 18 hours ago

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

    From

    $205

    Seen: 18 hours ago

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

    From

    $205

    Seen: 18 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Jan 12, 2027

    From

    $210

    Seen: 18 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Jan 15, 2027

    From

    $210

    Seen: 18 hours ago

    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Jan 20, 2027

    From

    $210

    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.

    Frequently Asked Questions on flights from Philadelphia (PHL) to San Francisco (SFO)

    When is the best time to book a flight from Philadelphia to San Francisco?

    Want to find the lowest fares by day and time flying from Philadelphia to San Francisco on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to San Francisco?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at San Francisco International Airport?

    Yes, you can rent a car at San Francisco International Airport. Check availability and book now

    Where can I find the status of my flight to San Francisco?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to San Francisco?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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