Flights from Boise to Philadelphia from $ 464*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Boise (BOI) to Philadelphia (PHL)

Mar 2026
From$ 1,098*
Viewed: 4 hours ago
RoundTrip|Economy
Apr 2026
From$ 464*
Viewed: 1 day ago
RoundTrip|Economy
May 2026
From$ 1,035*
Viewed: 1 day ago
RoundTrip|Economy
$ 1.1K
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    • Range$ 1,098

    *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 Boise (BOI) to Philadelphia (PHL) flights

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    More United deals on Boise (BOI) to Philadelphia (PHL) flights
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		05/14/26 - 05/18/26

    from

    $ 1,035

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		05/14/26 - 05/18/26

    from

    $ 1,110

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		05/14/26 - 05/18/26

    from

    $ 1,505

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		04/26/26 - 04/29/26

    from

    $ 464

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		04/26/26 - 04/29/26

    from

    $ 706

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		04/26/26 - 04/29/26

    from

    $ 1,110

    Viewed: 1 day ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		03/24/26 - 03/27/26

    from

    $ 1,098

    Viewed: 4 hours ago

    Boise (BOI)Philadelphia (PHL)Roundtrip
    |
    Economy    		03/24/26 - 03/27/26

    from

    $ 1,474

    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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