Cheapest return flights from San Francisco to San Diego in August from $57

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

Return flights

05 Aug - 08 Aug United direct
12 Aug - 14 Aug Alaska Airlines direct
10 Aug - 13 Aug Southwest Airlines
10 Aug - 13 Aug United direct
21 Aug - 23 Aug Frontier Airlines direct
23 Aug - 25 Aug Frontier Airlines direct
02 Aug - 04 Aug Frontier Airlines direct
11 Aug - 14 Aug Frontier Airlines direct
04 Aug - 08 Aug Alaska Airlines direct
20 Aug - 03 Sep Alaska Airlines direct
27 Aug - 03 Sep Alaska Airlines direct
06 Aug - 07 Aug United direct
28 Aug - 02 Sep Southwest Airlines direct
30 Aug - 01 Sep Frontier Airlines
25 Aug - 01 Sep Frontier Airlines
31 Aug - 01 Sep Frontier Airlines
27 Aug - 01 Sep Alaska Airlines
27 Aug - 01 Sep Southwest Airlines direct
29 Aug - 01 Sep Frontier Airlines
30 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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