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

Return flights

29 Aug - 05 Sep	Air Arabia
29 Aug - 19 Sep	Air Arabia
31 Aug - 15 Sep	Air Arabia
30 Aug - 05 Sep	Air Arabia
20 Aug - 07 Sep	Air Arabia
22 Aug - 06 Sep	Scoot
22 Aug - 30 Aug	Scoot
20 Aug - 27 Aug	Scoot
20 Aug - 03 Sep	Air Arabia
23 Aug - 31 Aug	Etihad Airways
21 Aug - 28 Aug	Air Arabia
20 Aug - 31 Aug	Air Arabia
19 Aug - 23 Aug	Air Arabia
19 Aug - 30 Aug	Air Arabia
17 Aug - 24 Aug	Air Arabia
17 Aug - 23 Aug	Qatar Airways

Also check the deals for one-way flights from Athens 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 Athens to Hanoi in August from 623€

Return flights