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

Return flights

05 Dec - 20 Dec	Air China
04 Dec - 18 Dec	Air China
01 Dec - 17 Dec	Air China
04 Dec - 19 Dec	Air China
06 Dec - 21 Dec	Air China
06 Dec - 22 Dec	Air China
04 Dec - 11 Dec	Air China
06 Dec - 16 Dec	Air China
05 Dec - 21 Dec	Air China
05 Dec - 15 Dec	Sichuan Airlines
15 Dec - 25 Jan	Air Europa
31 Dec - 08 Jan	Qatar Airways
29 Dec - 08 Jan	Qatar Airways
30 Dec - 08 Jan	Cathay Pacific
28 Dec - 10 Jan	Air China
27 Dec - 07 Jan	Air China
27 Dec - 10 Jan	Air China
26 Dec - 11 Jan	Air China
26 Dec - 09 Jan	Air China
26 Dec - 06 Jan	Air China

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

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 December from $711

Return flights