Cheapest return SFO–SAN flights, July

AirHint found the following cheapest return flights from San Francisco (SFO) to San Diego (SAN) in July 2026 (see full year).

Return flights

13 Jul - 29 Jul Frontier Airlines direct
25 Jul - 29 Jul Frontier Airlines direct
24 Jul - 29 Jul Frontier Airlines direct
09 Jul - 14 Jul Frontier Airlines direct
10 Jul - 13 Jul Frontier Airlines direct
09 Jul - 13 Jul Frontier Airlines direct
09 Jul - 15 Jul Frontier Airlines direct
08 Jul - 17 Jul Frontier Airlines direct
01 Jul - 04 Jul Frontier Airlines direct
02 Jul - 08 Jul Frontier Airlines direct
30 Jul - 02 Aug Southwest Airlines

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

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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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