Flights from Sioux City to Denver from $ 214*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from Sioux City (SUX) to Denver (DEN)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
From$ 262*
Viewed: 1 day ago
RoundTrip|Economy
May 2026
From$ 214*
Viewed: 1 day ago
RoundTrip|Economy
$ 262
Displaying fares for March-2026
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    • Range$ 262-$ 510

    *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 Sioux City (SUX) to Denver (DEN) flights

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    More United deals on Sioux City (SUX) to Denver (DEN) flights
    From
    To
    Fare Type
    Dates
    Price
    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		05/02/26 - 05/03/26

    from

    $ 214

    Viewed: 1 day ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		04/16/26 - 04/19/26

    from

    $ 262

    Viewed: 1 day ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		08/06/26 - 08/10/26

    from

    $ 214

    Viewed: 12 hours ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		06/18/26 - 06/25/26

    from

    $ 214

    Viewed: 8 hours ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		06/10/26 - 06/17/26

    from

    $ 214

    Viewed: 6 hours ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		07/31/26 - 08/02/26

    from

    $ 262

    Viewed: 12 hours ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		05/29/26 - 05/31/26

    from

    $ 280

    Viewed: 6 hours ago

    Sioux City (SUX)Denver (DEN)Roundtrip
    |
    Economy    		08/14/26 - 08/15/26

    from

    $ 310

    Viewed: 1 hour 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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