Cheapest return flights from San Diego to San Francisco in August from $78

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

Return flights

23 Aug - 30 Aug Frontier Airlines direct
29 Aug - 30 Aug Frontier Airlines direct
29 Aug - 31 Aug Frontier Airlines direct
30 Aug - 31 Aug Frontier Airlines direct
28 Aug - 30 Aug Frontier Airlines direct
21 Aug - 23 Aug Frontier Airlines direct
23 Aug - 06 Sep Frontier Airlines direct
23 Aug - 28 Aug Frontier Airlines direct
22 Aug - 31 Aug Frontier Airlines direct
27 Aug - 11 Sep Alaska Airlines direct
28 Aug - 02 Sep Frontier Airlines direct
28 Aug - 01 Sep Frontier Airlines direct
29 Aug - 01 Sep Frontier Airlines direct
29 Aug - 02 Sep Frontier Airlines direct
30 Aug - 01 Sep Frontier Airlines direct
22 Aug - 25 Aug Frontier Airlines direct
28 Aug - 03 Sep Frontier Airlines
28 Aug - 16 Sep Frontier Airlines
27 Aug - 31 Aug Frontier Airlines
25 Aug - 01 Sep Alaska Airlines direct

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