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

Return flights

31 Dec - 23 Jan	Turkish Airlines	direct
30 Dec - 10 Jan	TAP
26 Dec - 16 Jan	LOT
29 Dec - 20 Jan	SWISS
25 Dec - 17 Jan	Lufthansa
29 Dec - 16 Jan	Lufthansa
29 Dec - 13 Jan	SWISS
27 Dec - 11 Jan	TAP
28 Dec - 29 Jan	Lufthansa
28 Dec - 12 Jan	British Airways
25 Dec - 28 Dec	Delta
26 Dec - 29 Dec	Delta
27 Dec - 29 Dec	Delta
28 Dec - 29 Dec	Lufthansa
30 Dec - 31 Dec	Turkish Airlines
27 Dec - 29 Dec	Turkish Airlines	direct
25 Dec - 28 Dec	Turkish Airlines	direct
26 Dec - 29 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Los Angeles to Istanbul in December from $786

Return flights