Cheapest one-way flights from Fresno to San Diego in December from 65€

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

One-Way flights

17 Dec Allegiant Air
29 Dec Alaska Airlines direct
14 Dec Allegiant Air
25 Dec Allegiant Air
25 Dec Southwest Airlines direct
12 Dec Allegiant Air
12 Dec Southwest Airlines direct
17 Dec Southwest Airlines direct
28 Dec Alaska Airlines direct
27 Dec Southwest Airlines direct

Also check the deals for return flights from Fresno to San Diego in December.

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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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