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

Return flights

09 Dec - 16 Dec	Norse Atlantic Airways
02 Dec - 16 Dec	Norse Atlantic Airways
04 Dec - 16 Dec	Norse Atlantic Airways
10 Dec - 24 Dec	Lufthansa
05 Dec - 19 Dec	Norse Atlantic Airways
14 Dec - 28 Dec	KLM
16 Dec - 25 Dec	KLM
29 Dec - 10 Jan	KLM
23 Dec - 06 Jan	KLM
26 Dec - 09 Jan	British Airways
04 Dec - 16 Dec	Turkish Airlines	direct
02 Dec - 16 Dec	Turkish Airlines	direct
18 Dec - 31 Dec	Air France
27 Dec - 01 Jan	Air France
22 Dec - 06 Jan	KLM
12 Dec - 01 Jan	Air France
18 Dec - 04 Jan	Air France
20 Dec - 04 Jan	KLM
13 Dec - 03 Jan	British Airways
29 Dec - 10 Jan	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 524€

Return flights