Flights from Bishop/Mammoth to Portland, ME from $ 831*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Bishop/Mammoth (BIH) to Portland, ME (PWM)

May 2026
From$ 1,402*
Viewed: 4 hours ago
RoundTrip|Economy
Jun 2026
From$ 1,007*
Viewed: 4 hours ago
RoundTrip|Economy
Jul 2026
From$ 970*
Viewed: 4 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 1.0K
cmp-daily-histogram-bars-legend-max-price-aria-label $ 1.5K
Displaying fares for May-2026
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    • Range$ 1,007-$ 1,511

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

    More United deals on Bishop/Mammoth (BIH) to Portland, ME (PWM) flights

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    More United deals on Bishop/Mammoth (BIH) to Portland, ME (PWM) flights
    From
    To
    Fare Type
    Dates
    Price
    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		08/25/26 - 09/01/26

    from

    $ 831

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		08/25/26 - 08/29/26

    from

    $ 831

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		08/25/26 - 08/28/26

    from

    $ 947

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		07/29/26 - 08/05/26

    from

    $ 970

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		07/10/26 - 07/17/26

    from

    $ 1,001

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		07/03/26 - 07/10/26

    from

    $ 1,001

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		07/03/26 - 07/07/26

    from

    $ 1,001

    Viewed: 4 hours ago

    Bishop/Mammoth (BIH)Portland, ME (PWM)Roundtrip
    |
    Economy    		07/10/26 - 07/14/26

    from

    $ 1,001

    Viewed: 4 hours ago

    *Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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