Flights from Key West to Helena from $ 973*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Key West (EYW) to Helena (HLN)

May 2026
From$ 2,792*
Viewed: 22 hours ago
RoundTrip|Economy
Jun 2026
From$ 973*
Viewed: 22 hours ago
RoundTrip|Economy
Jul 2026
From$ 1,119*
Viewed: 22 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 973
cmp-daily-histogram-bars-legend-max-price-aria-label $ 3.6K
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    • Range$ 973-$ 3,635

    *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 Key West (EYW) to Helena (HLN) flights

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    More United deals on Key West (EYW) to Helena (HLN) flights
    From
    To
    Fare Type
    Dates
    Price
    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		06/05/26 - 06/08/26

    from

    $ 973

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		07/28/26 - 08/01/26

    from

    $ 1,119

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		08/10/26 - 08/17/26

    from

    $ 1,135

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		08/04/26 - 08/07/26

    from

    $ 1,145

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		07/29/26 - 08/01/26

    from

    $ 1,148

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		07/28/26 - 08/04/26

    from

    $ 1,166

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		07/21/26 - 07/25/26

    from

    $ 1,187

    Viewed: 22 hours ago

    Key West (EYW)Helena (HLN)Roundtrip
    |
    Economy    		07/21/26 - 07/24/26

    from

    $ 1,190

    Viewed: 22 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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