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

Return flights

09 Dec - 15 Dec	Norse Atlantic Airways
02 Dec - 10 Dec	Delta
31 Dec - 14 Jan	Delta
01 Dec - 01 Jan	Air France
28 Dec - 11 Jan	KLM
25 Dec - 07 Jan	KLM
23 Dec - 16 Jan	Air France
28 Dec - 10 Jan	KLM
20 Dec - 31 Dec	KLM
16 Dec - 30 Dec	KLM
02 Dec - 10 Dec	Turkish Airlines	direct
21 Dec - 20 Jan	Air France
31 Dec - 14 Jan	Turkish Airlines	direct
09 Dec - 15 Dec	Turkish Airlines	direct
01 Dec - 15 Dec	Turkish Airlines	direct
13 Dec - 03 Jan	KLM
28 Dec - 11 Jan	Turkish Airlines	direct
16 Dec - 30 Dec	Turkish Airlines	direct
20 Dec - 31 Dec	Turkish Airlines	direct

Also check the deals for one-way flights from Los Angeles to Istanbul 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 Los Angeles to Istanbul in December from 515€

Return flights