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

Return flights

02 Aug - 22 Aug	AirAsia X
08 Aug - 23 Aug	Thai Airways
01 Aug - 15 Aug	Thai Airways
01 Aug - 15 Aug	Turkish Airlines	direct
08 Aug - 23 Aug	Turkish Airlines	direct
02 Aug - 22 Aug	Turkish Airlines	direct

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

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 August from $823

Return flights