Cheapest return flights from San Diego to San Francisco in October from $57

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

Return flights

23 Oct - 27 Oct Alaska Airlines direct
21 Oct - 23 Oct Alaska Airlines direct
09 Oct - 13 Oct Alaska Airlines direct
09 Oct - 12 Oct Alaska Airlines direct
15 Oct - 19 Oct Alaska Airlines direct
31 Oct - 02 Nov Alaska Airlines direct
24 Oct - 27 Oct Southwest Airlines direct
27 Oct - 27 Oct Southwest Airlines direct
17 Oct - 20 Oct Southwest Airlines direct
10 Oct - 12 Oct United direct
18 Oct - 25 Oct Southwest Airlines direct

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