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

Return flights

01 Dec - 08 Dec	Lufthansa
29 Dec - 12 Jan	Lufthansa
29 Dec - 11 Jan	Lufthansa
28 Dec - 11 Jan	British Airways
28 Dec - 14 Jan	Lufthansa
26 Dec - 11 Jan	Lufthansa
28 Dec - 10 Jan	Frontier Airlines
27 Dec - 09 Jan	Frontier Airlines
26 Dec - 09 Jan	Frontier Airlines
23 Dec - 29 Dec	British Airways
27 Dec - 10 Jan	Frontier Airlines
22 Dec - 29 Dec	British Airways
13 Dec - 04 Jan	British Airways

Also check the deals for one-way flights from San Diego to Berlin 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 Berlin in December from $685

Return flights