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

Return flights

31 Jul - 09 Aug	Alaska Airlines	direct
01 Jul - 12 Jul	Alaska Airlines	direct
03 Jul - 06 Jul	Alaska Airlines	direct
10 Jul - 12 Jul	Alaska Airlines	direct
23 Jul - 26 Jul	Alaska Airlines	direct
22 Jul - 26 Jul	Alaska Airlines	direct
29 Jul - 02 Aug	Alaska Airlines	direct
31 Jul - 02 Aug	Alaska Airlines	direct
24 Jul - 28 Jul	Alaska Airlines	direct
03 Jul - 05 Jul	Alaska Airlines	direct

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

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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Cheapest return flights from San Jose to San Diego in July from $172

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