Cheapest return flights from Oakland to San Diego in September from $72

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

Return flights

24 Sep - 26 Sep Spirit Airlines direct
24 Sep - 03 Oct Spirit Airlines direct
24 Sep - 04 Oct Spirit Airlines direct
24 Sep - 01 Oct Spirit Airlines direct
27 Sep - 04 Oct Spirit Airlines direct
29 Sep - 04 Oct Spirit Airlines direct
30 Sep - 04 Oct Spirit Airlines
24 Sep - 30 Sep Spirit Airlines
23 Sep - 26 Sep Spirit Airlines
27 Sep - 03 Oct Spirit Airlines direct
27 Sep - 01 Oct Spirit Airlines direct
29 Sep - 03 Oct Spirit Airlines direct
23 Sep - 24 Sep Spirit Airlines
23 Sep - 03 Oct Spirit Airlines
17 Sep - 24 Sep Spirit Airlines direct
29 Sep - 30 Sep Spirit Airlines
23 Sep - 23 Sep Spirit Airlines
23 Sep - 30 Sep Spirit Airlines
27 Sep - 29 Sep Spirit Airlines
23 Sep - 29 Sep Spirit Airlines

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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