Cheapest one-way flights from San Diego to San Francisco in December from $29

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

One-Way flights

16 Dec Alaska Airlines direct
17 Dec Alaska Airlines direct
11 Dec Alaska Airlines direct
06 Dec Alaska Airlines direct
23 Dec Alaska Airlines direct
25 Dec Alaska Airlines direct
27 Dec Hawaiian Airlines direct
01 Dec Alaska Airlines direct
28 Dec Southwest Airlines direct

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

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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