Flights from Tucson to San Diego from $ 279*

Promotion Code

Featured daily fares for flights from Tucson (TUS) to San Diego (SAN)

$ 319
$ 1.1K
Displaying fares for March-2026
  • 15

    Su

    MAR

  • 16

    Mo

  • 17

    Tu

  • 18

    We

  • 19

    Th

  • 20

    Fr

  • 21

    Sa

  • 22

    Su

  • 23

    Mo

  • 24

    Tu

  • 25

    We

  • 26

    Th

  • 27

    Fr

  • 28

    Sa

  • 29

    Su

  • 30

    Mo

  • 31

    Tu

  • 01

    We

    APR

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • Range$ 319-$ 1,068

    More United deals on Tucson (TUS) to San Diego (SAN) flights

    $
    keyboard_arrow_down
    More United deals on Tucson (TUS) to San Diego (SAN) flights
    From
    To
    Fare Type
    Dates
    Price
    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    05/06/26 - 05/09/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    05/05/26 - 05/12/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    04/25/26 - 04/29/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    04/22/26 - 04/25/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    05/05/26 - 05/09/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    04/25/26 - 04/28/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    04/18/26 - 04/25/26

    from

    $ 279

    Viewed: 14 hours ago

    Tucson (TUS)San Diego (SAN)Roundtrip
    |
    Economy
    04/29/26 - 05/02/26

    from

    $ 279

    Viewed: 14 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.