AirHint found the following cheapest return flights from Hanoi (HAN) to Istanbul (IST) in April 2026 (see full year).

Return flights

07 Apr - 19 Apr	AirAsia
16 Apr - 26 Apr	AirAsia
29 Apr - 04 May	VietJet Air
04 Apr - 12 Apr	AirAsia
30 Apr - 08 May	AirAsia
07 Apr - 30 Apr	VietJet Air
08 Apr - 30 Apr	VietJet Air
06 Apr - 30 Apr	VietJet Air
07 Apr - 14 Apr	Air China
22 Apr - 19 May	Ethiopian Airlines
22 Apr - 26 Apr	IndiGo
22 Apr - 18 May	Qatar Airways
23 Apr - 19 May	Qatar Airways
19 Apr - 15 May	Qatar Airways
24 Apr - 03 May	Qatar Airways
20 Apr - 16 May	Qatar Airways
25 Apr - 02 May	Emirates
08 Apr - 30 Apr	Vietnam Airlines	direct
04 Apr - 12 Apr	Vietnam Airlines	direct
22 Apr - 07 May	IndiGo

Also check the deals for one-way flights from Hanoi to Istanbul in April.

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 April from $499

Return flights