Cheapest one-way flights from Phoenix to San Diego in August from 39€

AirHint found the following cheapest one-way flights from Phoenix (PHX) to San Diego (SAN) in August 2025 (see full year).

One-Way flights

05 Aug Frontier Airlines direct
16 Aug Frontier Airlines direct
18 Aug Frontier Airlines direct
22 Aug Frontier Airlines direct
23 Aug Frontier Airlines direct
24 Aug Frontier Airlines direct
25 Aug Frontier Airlines direct
28 Aug Frontier Airlines direct
29 Aug Frontier Airlines direct
30 Aug Frontier Airlines direct

Also check the deals for return flights from Phoenix to San Diego in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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