Deal found on October 28, 2026
Phoenix to San Diego
$38$15375% off
Round trip
Phoenix to San Diego nonstop is just $38 right now, miles below the usual $77 to $238 range and matching the cheapest fare we've ever tracked on this route. Frontier has 11 date combinations open across November, December, January and February, plenty of flexibility for a beach weekend or a Balboa Park day trip.
Travel dates
November into December
e.g. Nov 23 – Dec 2 · 9 nights
Date options
11 at this price
Lowest we've seen
$38
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