Cheapest return flights from Phoenix to San Diego in October from 51€

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

Return flights

18 Oct - 21 Oct Frontier Airlines direct
11 Oct - 18 Oct Frontier Airlines direct
18 Oct - 08 Nov Frontier Airlines direct
09 Oct - 14 Oct Frontier Airlines direct
18 Oct - 09 Nov Frontier Airlines direct
07 Oct - 17 Oct Frontier Airlines direct
11 Oct - 13 Oct Frontier Airlines direct
18 Oct - 20 Oct Frontier Airlines direct
15 Oct - 17 Oct Frontier Airlines direct
07 Oct - 08 Oct Frontier Airlines direct
19 Oct - 09 Nov Frontier Airlines direct
17 Oct - 07 Nov Frontier Airlines direct
01 Oct - 04 Oct Frontier Airlines direct
19 Oct - 24 Oct Frontier Airlines direct
26 Oct - 02 Nov Frontier Airlines direct

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

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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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