Flights from Chicago to West Yellowstone from $ 329*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Chicago (ORD) to West Yellowstone (WYS)

May 2026
From$ 454*
Viewed: 9 hours ago
RoundTrip|Economy
Jun 2026
From$ 329*
Viewed: 9 hours ago
RoundTrip|Economy
Jul 2026
From$ 433*
Viewed: 9 hours ago
RoundTrip|Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $ 329
cmp-daily-histogram-bars-legend-max-price-aria-label $ 1.1K
Displaying fares for May-2026
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    • Range$ 329-$ 1,084

    *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 Chicago (ORD) to West Yellowstone (WYS) flights

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    More United deals on Chicago (ORD) to West Yellowstone (WYS) flights
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		06/13/26 - 06/20/26

    from

    $ 329

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		06/17/26 - 06/20/26

    from

    $ 329

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		06/16/26 - 06/20/26

    from

    $ 337

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		06/20/26 - 06/26/26

    from

    $ 337

    Viewed: 7 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		08/22/26 - 08/26/26

    from

    $ 344

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		08/14/26 - 08/21/26

    from

    $ 346

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		08/22/26 - 08/25/26

    from

    $ 382

    Viewed: 9 hours ago

    Chicago (ORD)West Yellowstone (WYS)Roundtrip
    |
    Economy    		06/12/26 - 06/19/26

    from

    $ 386

    Viewed: 9 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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