Cheapest return flights from Oakland to San Diego in September from $58

AirHint found the following cheapest return flights from Oakland (OAK) to San Diego (SAN) in September 2025 (see full year).

Return flights

14 Sep - 26 Sep Spirit Airlines direct
14 Sep - 25 Sep Spirit Airlines direct
14 Sep - 22 Sep Spirit Airlines direct
14 Sep - 19 Sep Spirit Airlines direct
25 Sep - 26 Sep Spirit Airlines direct
25 Sep - 25 Sep Spirit Airlines direct
04 Sep - 11 Sep Spirit Airlines direct
04 Sep - 22 Sep Spirit Airlines direct
04 Sep - 08 Sep Spirit Airlines direct
04 Sep - 19 Sep Spirit Airlines direct
29 Sep - 02 Oct Spirit Airlines direct
28 Sep - 12 Oct Spirit Airlines direct
26 Sep - 12 Oct Spirit Airlines direct
25 Sep - 12 Oct Spirit Airlines direct
22 Sep - 12 Oct Spirit Airlines direct
23 Sep - 12 Oct Spirit Airlines
24 Sep - 12 Oct Spirit Airlines
28 Sep - 13 Oct Spirit Airlines direct
26 Sep - 13 Oct Spirit Airlines direct
25 Sep - 13 Oct Spirit Airlines direct

Also check the deals for one-way flights from Oakland to San Diego in September.

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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