Cheapest return flights from San Francisco to San Diego in October from $157

AirHint found the following cheapest return flights from San Francisco (SFO) to San Diego (SAN) in October 2026 (see full year).

Return flights

16 Oct - 19 Oct Alaska Airlines direct
15 Oct - 18 Oct Alaska Airlines direct

Also check the deals for one-way flights from San Francisco 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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