Cheapest return flights from Fresno to San Diego in September from $86

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

Return flights

30 Sep - 03 Oct Alaska Airlines direct
30 Sep - 30 Sep Alaska Airlines direct
29 Sep - 03 Oct Alaska Airlines direct
08 Sep - 09 Sep Alaska Airlines direct
27 Sep - 27 Sep United
08 Sep - 08 Sep Alaska Airlines direct
09 Sep - 09 Sep Alaska Airlines direct
17 Sep - 18 Sep Allegiant Air
25 Sep - 29 Sep Hawaiian Airlines direct
27 Sep - 27 Sep Hawaiian Airlines direct
26 Sep - 29 Sep Hawaiian Airlines direct
13 Sep - 15 Sep Alaska Airlines direct

Also check the deals for one-way flights from Fresno to San Diego in September.

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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