Flights from Austin, TX to San Diego, CA

Promo Code

Best Deals on Flights From Austin, TX (AUS) to San Diego, CA (SAN)

Jun 2026
from$66*
Last seen: 8 hours ago
One-way/Economy
Jul 2026
from$51*
Last seen: 22 hours ago
One-way/Economy
Aug 2026
from$73*
Last seen: 14 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $66
cmp-daily-histogram-bars-legend-max-price-aria-label $180
Displaying fares for June-2026
  • 08

    Mon

    JUN

  • 09

    Tue

  • 10

    Wed

  • 11

    Thu

  • 12

    Fri

  • 13

    Sat

  • 14

    Sun

  • 15

    Mon

  • 16

    Tue

  • 17

    Wed

  • 18

    Thu

  • 19

    Fri

  • 20

    Sat

  • 21

    Sun

  • 22

    Mon

  • 23

    Tue

  • 24

    Wed

  • 25

    Thu

  • 26

    Fri

  • 27

    Sat

  • 28

    Sun

  • 29

    Mon

  • 30

    Tue

  • 01

    Wed

    JUL

  • 02

    Thu

  • 03

    Fri

  • 04

    Sat

  • 05

    Sun

  • 06

    Mon

  • 07

    Tue

    • Range$66-$180

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Austin, TX to San Diego, CA on Frontier

    $
    Flights Deals from Austin, TX to San Diego, CA on Frontier
    From
    To
    Austin, TX (AUS)San Diego, CA (SAN)One-way
    /
    Discount Den Basic Fare    		Departing Oct 25, 2026

    From

    $129

    Last seen: 19 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Austin, TX San Diego, CA

    Barclays Badge

    Earn 60,000 Miles after qualifying activity. Terms apply.