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

Return flights

04 Dec - 18 Dec	Air China
01 Dec - 16 Dec	Air China
04 Dec - 11 Dec	Air China
04 Dec - 13 Dec	Air China
01 Dec - 15 Dec	Air China
11 Dec - 20 Dec	Air China
03 Dec - 13 Dec	Air China
02 Dec - 14 Dec	Air China
07 Dec - 19 Dec	Air China
31 Dec - 10 Jan	Air China
30 Dec - 16 Jan	Air China
05 Dec - 14 Dec	Air China
30 Dec - 14 Jan	Air China
31 Dec - 14 Jan	Air China
31 Dec - 17 Jan	Air China
06 Dec - 03 Jan	Ryanair
28 Dec - 10 Jan	Ryanair
26 Dec - 10 Jan	Beijing Capital Airlines
26 Dec - 03 Jan	Beijing Capital Airlines
27 Dec - 12 Jan	Hainan Airlines

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 $628

Return flights