Flights from Knoxville to San Diego from $ 337*

Promotion Code

Featured daily fares for flights from Knoxville (TYS) to San Diego (SAN)

$ 409
$ 691
Displaying fares for March-2026
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  • Range$ 409-$ 691

    More United deals on Knoxville (TYS) to San Diego (SAN) flights

    $
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    More United deals on Knoxville (TYS) to San Diego (SAN) flights
    From
    To
    Fare Type
    Dates
    Price
    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    05/27/26 - 05/30/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    05/06/26 - 05/09/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    05/05/26 - 05/12/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    04/29/26 - 05/02/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    04/21/26 - 04/28/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    04/28/26 - 05/05/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    04/29/26 - 05/06/26

    from

    $ 337

    Viewed: 11 hours ago

    Knoxville (TYS)San Diego (SAN)Roundtrip
    |
    Economy
    05/30/26 - 06/02/26

    from

    $ 337

    Viewed: 11 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.