AirHint found the following cheapest return flights from Fresno (FAT) to San Diego (SAN) in July 2025 (see full year).

Return flights

29 Jul - 14 Aug	Hawaiian Airlines	direct
19 Jul - 23 Jul	Allegiant Air
14 Jul - 17 Jul	Allegiant Air
16 Jul - 18 Jul	Allegiant Air
14 Jul - 21 Jul	Allegiant Air
16 Jul - 21 Jul	Allegiant Air
19 Jul - 23 Jul	Hawaiian Airlines	direct
11 Jul - 13 Jul	Allegiant Air
16 Jul - 18 Jul	Hawaiian Airlines	direct
16 Jul - 21 Jul	Hawaiian Airlines	direct
14 Jul - 23 Jul	Hawaiian Airlines	direct

Also check the deals for one-way flights from Fresno 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 Fresno to San Diego in July from $177

Return flights