Cheapest return flights from San Diego to San Francisco in August from $38

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

Return flights

02 Aug - 10 Aug Frontier Airlines direct
09 Aug - 10 Aug Frontier Airlines direct
02 Aug - 09 Aug Frontier Airlines direct
02 Aug - 07 Aug Frontier Airlines direct
02 Aug - 03 Aug Frontier Airlines direct
08 Aug - 10 Aug Frontier Airlines direct
14 Aug - 21 Aug Frontier Airlines direct
21 Aug - 25 Aug Frontier Airlines direct
14 Aug - 18 Aug Frontier Airlines direct
05 Aug - 05 Aug United direct
30 Aug - 06 Sep Frontier Airlines direct
25 Aug - 05 Sep Frontier Airlines direct
28 Aug - 01 Sep Frontier Airlines direct
05 Aug - 05 Sep Alaska Airlines direct

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

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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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