Cheapest return flights from San Francisco to San Diego in December from 125€

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

Return flights

17 Dec - 04 Jan United direct
25 Dec - 29 Dec United direct
29 Dec - 30 Dec Southwest Airlines direct
30 Dec - 31 Dec Delta
28 Dec - 04 Jan Delta

Also check the deals for one-way flights from San Francisco to San Diego 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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