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

Return flights

05 Oct - 11 Oct	Scoot Tigerair
10 Oct - 23 Oct	Scoot Tigerair
22 Oct - 02 Nov	Scoot Tigerair
22 Oct - 26 Oct	Scoot Tigerair
10 Oct - 18 Oct	Scoot Tigerair
25 Oct - 09 Nov	Air China
25 Oct - 30 Nov	Air China
20 Oct - 30 Nov	Air China
01 Oct - 09 Oct	Scoot Tigerair
06 Oct - 15 Oct	Singapore Airlines
01 Oct - 07 Oct	Singapore Airlines
22 Oct - 05 Nov	Aegean Airlines
14 Oct - 21 Oct	Singapore Airlines
09 Oct - 23 Oct	Singapore Airlines
25 Oct - 01 Nov	Qatar Airways
11 Oct - 19 Oct	Qatar Airways

Also check the deals for one-way flights from Athens to Hanoi in October.

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 October from $671

Return flights