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

Return flights

04 Oct - 17 Oct	Air China
18 Oct - 28 Oct	Air China
19 Oct - 28 Oct	Air China
14 Oct - 22 Oct	Air China
21 Oct - 28 Oct	Air China
30 Oct - 14 Nov	Air China
20 Oct - 07 Nov	Air China
29 Oct - 17 Nov	Air China
30 Oct - 11 Nov	Air China
04 Oct - 25 Oct	Air China
01 Oct - 14 Oct	Etihad Airways
15 Oct - 28 Oct	Etihad Airways
02 Oct - 17 Oct	Air China
17 Oct - 27 Oct	Air China
26 Oct - 09 Nov	Air China
14 Oct - 04 Nov	Air China
28 Oct - 10 Nov	Air China
15 Oct - 05 Nov	Etihad Airways
20 Oct - 04 Nov	Etihad Airways
17 Oct - 02 Nov	Sichuan Airlines

Also check the deals for one-way flights from Madrid 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 Madrid to Hanoi in October from 617€

Return flights