Flights from Phoenix, AZ to San Diego, CA

Promo Code

Best Deals on Flights From Phoenix, AZ (PHX) to San Diego, CA (SAN)

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
No results for this month.
May 2026
from$19*
Last seen: 26 mins ago
One-way/Economy
Jun 2026
from$19*
Last seen: 11 hours ago
One-way/Economy
$19
$111
Displaying fares for April-2026
  • 30

    Thu

    APR

  • 01

    Fri

  • 02

    Sat

  • 03

    Sun

  • 04

    Mon

  • 05

    Tue

  • 06

    Wed

  • 07

    Thu

  • 08

    Fri

  • 09

    Sat

  • 10

    Sun

  • 11

    Mon

  • 12

    Tue

  • 13

    Wed

  • 14

    Thu

  • 15

    Fri

  • 16

    Sat

  • 17

    Sun

  • 18

    Mon

  • 19

    Tue

  • 20

    Wed

  • 21

    Thu

  • 22

    Fri

  • 23

    Sat

  • 24

    Sun

  • 25

    Mon

  • 26

    Tue

  • 27

    Wed

  • 28

    Thu

  • 29

    Fri

    • Range$19-$111

    *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 Phoenix, AZ to San Diego, CA on Frontier

    $
    Flights Deals from Phoenix, AZ to San Diego, CA on Frontier
    From
    To
    Phoenix, AZ (PHX)San Diego, CA (SAN)One-way
    /
    Discount Den Basic Fare    		Departing Aug 18, 2026

    From

    $38

    Last seen: 13 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®.

    Phoenix, AZ San Diego, CA

    Barclays Badge

    Earn 50,000 Miles after qualifying activity. Plus $0 Intro Annual Fee, then $99.
    Terms Apply.