AirHint found the following cheapest return flights from Madrid (MAD) to Hanoi (HAN) in May 2026 (see full year).

Return flights

15 May - 30 May	Air China
18 May - 31 May	Air China
25 May - 31 May	Air China
02 May - 16 May	Air China
15 May - 17 May	Air China
01 May - 10 May	Etihad Airways
23 May - 13 Jun	Air China
04 May - 17 May	Iberia
15 May - 24 May	Etihad Airways
05 May - 23 May	Etihad Airways

Also check the deals for one-way flights from Madrid to Hanoi in May.

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 May from 660€

Return flights