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

Return flights

03 Aug - 10 Aug	Pegasus Airlines
13 Aug - 16 Sep	Pegasus Airlines
01 Aug - 10 Aug	Pegasus Airlines
01 Aug - 08 Aug	Pegasus Airlines
25 Aug - 30 Aug	Pegasus Airlines
19 Aug - 29 Aug	Pegasus Airlines
06 Aug - 13 Aug	Pegasus Airlines
05 Aug - 19 Aug	Pegasus Airlines
21 Aug - 28 Aug	AJet
16 Aug - 22 Aug	Pegasus Airlines
01 Aug - 12 Aug	Pegasus Airlines
29 Aug - 05 Sep	Pegasus Airlines
21 Aug - 05 Sep	Qatar Airways
21 Aug - 04 Sep	Qatar Airways
23 Aug - 06 Sep	Emirates

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 496€

Return flights