Alaska Airlines Flights from Philadelphia to San Francisco

Lowest fares from Philadelphia to San Francisco

Mar 2026
From$234*
Seen: 16 hours ago
Flight Type One Way|Saver
Apr 2026
From$165*
Seen: 16 hours ago
Flight Type One Way|Saver
May 2026
From$165*
Seen: 16 hours ago
Flight Type One Way|Saver
$200
$1.1K
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    • Range$200-$1,143

    *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.*

    $
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    One-way low-fare flights Philadelphia to San Francisco.*
    From
    To
    Fare Type
    Dates
    Price
    Philadelphia (PHL)San Francisco (SFO)One-way
    |
    Saver    		Depart: Apr 21, 2026

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 hours ago

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

    From

    $165

    Seen: 16 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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