Cheapest return flights from San Francisco to San Diego in August from 31€

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

Return flights

09 Aug - 09 Aug Frontier Airlines direct
07 Aug - 09 Aug Hawaiian Airlines direct
25 Aug - 15 Sep Frontier Airlines direct
03 Aug - 05 Aug United direct
05 Aug - 09 Aug Alaska Airlines direct
21 Aug - 25 Aug Frontier Airlines direct
04 Aug - 09 Aug Alaska Airlines direct
23 Aug - 25 Aug Frontier Airlines direct
22 Aug - 25 Aug Frontier Airlines direct
02 Aug - 02 Aug Frontier Airlines direct
18 Aug - 22 Aug Frontier Airlines direct
29 Aug - 12 Sep Frontier Airlines direct
26 Aug - 16 Sep Hawaiian Airlines direct
30 Aug - 01 Sep Frontier Airlines direct
17 Aug - 02 Sep Frontier Airlines direct
31 Aug - 01 Sep Frontier Airlines
29 Aug - 02 Sep Frontier Airlines direct
29 Aug - 01 Sep Frontier Airlines direct
27 Aug - 01 Sep Alaska Airlines
27 Aug - 01 Sep Southwest Airlines direct

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

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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