Cheapest return flights from Phoenix to San Diego in October from 79€

AirHint found the following cheapest return flights from Phoenix (PHX) to San Diego (SAN) in October 2025 (see full year).

Return flights

03 Oct - 06 Oct Frontier Airlines direct
03 Oct - 07 Oct Frontier Airlines direct
06 Oct - 09 Oct Frontier Airlines direct
01 Oct - 08 Oct Frontier Airlines direct
09 Oct - 15 Oct Southwest Airlines direct

Also check the deals for one-way flights from Phoenix to San Diego in October.

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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