Flights from San Antonio to San Diego from $ 252*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Featured daily fares for flights from San Antonio (SAT) to San Diego (SAN)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month
Apr 2026
From$ 252*
Viewed: 1 day ago
RoundTrip|Economy
May 2026
From$ 277*
Viewed: 11 hours ago
RoundTrip|Economy
$ 332
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    • Range$ 332-$ 583

    *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 San Antonio (SAT) to San Diego (SAN) flights

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    More United deals on San Antonio (SAT) to San Diego (SAN) flights
    From
    To
    Fare Type
    Dates
    Price
    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		04/30/26 - 05/02/26

    from

    $ 252

    Viewed: 1 day ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		05/01/26 - 05/04/26

    from

    $ 277

    Viewed: 11 hours ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		05/03/26 - 05/07/26

    from

    $ 298

    Viewed: 21 hours ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		04/23/26 - 04/30/26

    from

    $ 332

    Viewed: 1 day ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		04/03/26 - 04/10/26

    from

    $ 347

    Viewed: 10 hours ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		06/05/26 - 06/13/26

    from

    $ 355

    Viewed: 1 day ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		07/07/26 - 07/12/26

    from

    $ 362

    Viewed: 16 hours ago

    San Antonio (SAT)San Diego (SAN)Roundtrip
    |
    Economy    		05/17/26 - 05/21/26

    from

    $ 366

    Viewed: 13 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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