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

Return flights

08 Dec - 15 Dec	United
28 Dec - 10 Jan	United
28 Dec - 11 Jan	United
27 Dec - 09 Jan	United
26 Dec - 09 Jan	Delta
27 Dec - 10 Jan	United
27 Dec - 11 Jan	KLM
28 Dec - 04 Jan	United
18 Dec - 25 Dec	United
21 Dec - 31 Dec	Finnair

Also check the deals for one-way flights from San Diego to Paris in December.

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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Cheapest return flights from San Diego to Paris in December from 521€

Return flights