Cheapest return flights from San Diego to San Jose in October from $96

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

Return flights

23 Oct - 27 Oct Frontier Airlines
25 Oct - 27 Oct Frontier Airlines
01 Oct - 14 Oct Spirit Airlines
09 Oct - 15 Oct Frontier Airlines
15 Oct - 22 Oct Alaska Airlines direct
01 Oct - 08 Oct Alaska Airlines direct
24 Oct - 26 Oct Alaska Airlines direct
02 Oct - 04 Oct Alaska Airlines direct
02 Oct - 04 Oct Frontier Airlines
23 Oct - 27 Oct Alaska Airlines direct
30 Oct - 05 Nov Alaska Airlines direct
27 Oct - 03 Nov Frontier Airlines
27 Oct - 03 Nov Alaska Airlines direct

Also check the deals for one-way flights from San Diego to San Jose 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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