Flights from Saint Louis to Chicago from $ 236*

Promotion Code

Featured daily fares for flights from Saint Louis (STL) to Chicago (ORD)

$ 259
$ 743
Displaying fares for March-2026
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  • Range$ 259-$ 743

    More United deals on Saint Louis (STL) to Chicago (ORD) flights

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    More United deals on Saint Louis (STL) to Chicago (ORD) flights
    From
    To
    Fare Type
    Dates
    Price
    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    05/18/26 - 05/20/26

    from

    $ 236

    Viewed: 1 day ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    06/03/26 - 06/04/26

    from

    $ 236

    Viewed: 1 day ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    05/15/26 - 05/19/26

    from

    $ 259

    Viewed: 16 hours ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    04/23/26 - 06/04/26

    from

    $ 259

    Viewed: 1 day ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    06/10/26 - 06/14/26

    from

    $ 275

    Viewed: 18 hours ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    05/19/26 - 05/21/26

    from

    $ 275

    Viewed: 1 day ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    05/29/26 - 05/30/26

    from

    $ 282

    Viewed: 1 day ago

    Saint Louis (STL)Chicago (ORD)Roundtrip
    |
    Economy
    04/17/26 - 04/19/26

    from

    $ 332

    Viewed: 1 day 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.