Flights from Newark/New York to Idaho Falls from $ 349*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Newark/New York (EWR) to Idaho Falls (IDA)

Jun 2026
From$ 435*
Viewed: 5 hours ago
RoundTrip|Economy
Jul 2026
From$ 417*
Viewed: 5 hours ago
RoundTrip|Economy
Aug 2026
From$ 392*
Viewed: 5 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 417
cmp-daily-histogram-bars-legend-max-price-aria-label $ 970
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    • Range$ 417-$ 970

    *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 Newark/New York (EWR) to Idaho Falls (IDA) flights

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    More United deals on Newark/New York (EWR) to Idaho Falls (IDA) flights
    From
    To
    Fare Type
    Dates
    Price
    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/06/26 - 09/09/26

    from

    $ 349

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/20/26 - 09/23/26

    from

    $ 349

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/02/26 - 09/09/26

    from

    $ 380

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/13/26 - 09/16/26

    from

    $ 387

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/05/26 - 09/09/26

    from

    $ 392

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		08/30/26 - 09/02/26

    from

    $ 392

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/06/26 - 09/10/26

    from

    $ 410

    Viewed: 5 hours ago

    Newark/New York (EWR)Idaho Falls (IDA)Roundtrip
    |
    Economy    		09/07/26 - 09/10/26

    from

    $ 410

    Viewed: 5 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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