Phoenix to San Diego in September 2026

Dated one-way fares from Phoenix to San Diego in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $41

Highest this month $102

Sample fare $41

Airports PHX–SAN

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

September 2026 price calendar

From $41 · up to $102

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $102 2 $101 3 $101 4 $101 5 $100 6 $101 7 $102 8 $71 9 $71 10 $71 11 $71 12 $71 13 $71 14 $71 15 $71 16 $71 17 $71 18 $71 19 $71 20 $71 21 $71 22 $71 23 $71 24 $71 25 $71 26 $71 27 $41

San Diego SAN

$41

Sep 27, 8:21am · 1h 22m · 0 stops

PHX → SAN · Frontier Airlines

This page is only September 2026 on the Phoenix to San Diego route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book Phoenix to San Diego in September 2026.