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

Return flights

21 Dec - 06 Jan	IndiGo
20 Dec - 28 Dec	IndiGo
23 Dec - 02 Jan	Air China
22 Dec - 29 Dec	IndiGo
20 Dec - 27 Dec	IndiGo
31 Dec - 04 Jan	VietJet Air
27 Dec - 04 Jan	IndiGo
28 Dec - 02 Jan	IndiGo
11 Dec - 18 Dec	Air China
29 Dec - 06 Jan	IndiGo
08 Dec - 18 Dec	China Southern
08 Dec - 15 Dec	Qatar Airways
12 Dec - 06 Jan	Qatar Airways
19 Dec - 27 Dec	Ethiopian Airlines
29 Dec - 05 Jan	Emirates
28 Dec - 02 Jan	Turkish Airlines	direct
27 Dec - 05 Jan	Turkish Airlines	direct
10 Dec - 20 Dec	Qatar Airways
22 Dec - 29 Dec	Turkish Airlines	direct
08 Dec - 18 Dec	Turkish Airlines	direct

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