Flights from Peoria to Seattle from $ 271*

Promotion Code

Featured daily fares for flights from Peoria (PIA) to Seattle (SEA)

$ 346
$ 891
Displaying fares for April-2026
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  • Range$ 346-$ 891

    More United deals on Peoria (PIA) to Seattle (SEA) flights

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    More United deals on Peoria (PIA) to Seattle (SEA) flights
    From
    To
    Fare Type
    Dates
    Price
    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    06/02/26 - 06/09/26

    from

    $ 271

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    06/03/26 - 06/06/26

    from

    $ 293

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    06/02/26 - 06/06/26

    from

    $ 293

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    06/23/26 - 06/30/26

    from

    $ 293

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    07/01/26 - 07/04/26

    from

    $ 307

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    07/07/26 - 07/14/26

    from

    $ 313

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    06/05/26 - 06/09/26

    from

    $ 320

    Viewed: 18 hours ago

    Peoria (PIA)Seattle (SEA)Roundtrip
    |
    Economy
    05/28/26 - 06/04/26

    from

    $ 345

    Viewed: 18 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.