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

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

Return flights

18 Oct - 20 Oct Frontier Airlines direct
23 Oct - 30 Oct Frontier Airlines direct
13 Oct - 17 Oct Frontier Airlines direct
09 Oct - 11 Oct Frontier Airlines direct
04 Oct - 06 Oct Frontier Airlines direct
12 Oct - 18 Oct Frontier Airlines direct
18 Oct - 24 Oct Frontier Airlines direct
25 Oct - 31 Oct Frontier Airlines direct
23 Oct - 25 Oct Frontier Airlines direct
01 Oct - 02 Oct Southwest Airlines direct
29 Oct - 05 Nov Alaska Airlines direct
29 Oct - 02 Nov Southwest Airlines direct
31 Oct - 03 Nov Southwest Airlines direct
28 Oct - 01 Nov Southwest Airlines direct
31 Oct - 02 Nov Southwest 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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