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

Return flights

02 Dec - 05 Dec	Air China
21 Dec - 08 Jan	China Eastern
02 Dec - 08 Dec	AirAsia
04 Dec - 08 Dec	AirAsia
11 Dec - 15 Dec	AirAsia
02 Dec - 15 Dec	AirAsia
02 Dec - 12 Dec	AirAsia
30 Dec - 19 Jan	AirAsia
11 Dec - 31 Dec	AirAsia
09 Dec - 15 Dec	AirAsia
09 Dec - 12 Dec	AirAsia
04 Dec - 15 Dec	AirAsia
30 Dec - 12 Jan	AirAsia
23 Dec - 12 Jan	AirAsia
16 Dec - 04 Jan	AirAsia
28 Dec - 12 Jan	AirAsia
30 Dec - 14 Jan	AirAsia
21 Dec - 04 Jan	AirAsia
28 Dec - 14 Jan	AirAsia
19 Dec - 01 Jan	Qatar Airways

Also check the deals for one-way flights from Hanoi 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 Hanoi to Istanbul in December from 499€

Return flights