Cheapest return flights from Fresno to San Diego in September from 100€

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

Return flights

20 Sep - 22 Sep Southwest Airlines
04 Sep - 08 Sep Hawaiian Airlines direct
05 Sep - 08 Sep United
12 Sep - 15 Sep United
12 Sep - 15 Sep Alaska Airlines direct
20 Sep - 22 Sep Alaska Airlines direct
17 Sep - 17 Sep Allegiant Air
02 Sep - 05 Sep Allegiant Air
06 Sep - 07 Sep Southwest Airlines
13 Sep - 14 Sep Hawaiian 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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