Flights from Portland, ME to San Francisco, CA

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Best Deals on Flights From Portland, ME (PWM) to San Francisco, CA (SFO)

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    • Flights Deals from Portland, ME to San Francisco, CA on Frontier

    $
    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Portland, ME San Francisco, CA

    Barclays Badge

    Earn up to 60,000 Miles after qualifying activity. Terms apply.