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

Return flights

20 Apr - 07 May	AirAsia X
01 Apr - 13 Apr	AirAsia X
05 Apr - 19 Apr	AirAsia X
05 Apr - 12 Apr	AirAsia X
06 Apr - 19 Apr	AirAsia X
11 Apr - 25 Apr	Air Arabia
20 Apr - 30 Apr	Air Arabia
01 Apr - 15 Apr	AirAsia X
14 Apr - 28 Apr	Gulf Air
20 Apr - 27 Apr	Thai Airways
14 Apr - 21 Apr	Thai Airways
28 Apr - 19 May	Thai Airways
23 Apr - 03 May	Qatar Airways
28 Apr - 19 May	Turkish Airlines	direct
20 Apr - 07 May	Turkish Airlines	direct
23 Apr - 03 May	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Hanoi 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 Istanbul to Hanoi in April from 483€

Return flights