AirHint found the following cheapest return flights from Frankfurt (FRA) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

04 Dec - 11 Dec	TAP
03 Dec - 06 Dec	TAP
03 Dec - 09 Dec	TAP
03 Dec - 11 Dec	TAP
05 Dec - 11 Dec	TAP
17 Dec - 10 Jan	TAP
17 Dec - 06 Jan	TAP
09 Dec - 15 Dec	Finnair
09 Dec - 23 Dec	Finnair
09 Dec - 16 Dec	Finnair
10 Dec - 15 Dec	Iberia
03 Dec - 10 Dec	Aer Lingus
15 Dec - 01 Jan	British Airways
23 Dec - 01 Jan	British Airways
26 Dec - 05 Jan	British Airways
19 Dec - 09 Jan	British Airways
16 Dec - 01 Jan	Iberia
20 Dec - 15 Jan	Finnair
25 Dec - 01 Jan	British Airways
29 Dec - 24 Jan	KLM

Also check the deals for one-way flights from Frankfurt to Los Angeles 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 Frankfurt to Los Angeles in December from $523

Return flights