Cheapest one-way flights from Fresno to San Diego in September from 45€

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

One-Way flights

17 Sep Southwest Airlines
15 Sep Alaska Airlines direct
18 Sep United
28 Sep United
02 Sep Allegiant Air
18 Sep Alaska Airlines direct
26 Sep Alaska Airlines direct
17 Sep Alaska Airlines direct
02 Sep Alaska Airlines direct

Also check the deals for return 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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