Cheapest one-way flights from San Francisco to San Diego in October from $18

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

One-Way flights

14 Oct Alaska Airlines direct
13 Oct Alaska Airlines direct
19 Oct Alaska Airlines direct
20 Oct Alaska Airlines direct
07 Oct Alaska Airlines direct
15 Oct Alaska Airlines direct
02 Oct Alaska Airlines direct
21 Oct Alaska Airlines direct
08 Oct Alaska Airlines direct
01 Oct Alaska Airlines direct

Also check the deals for return flights from San Francisco 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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