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

Return flights

01 Dec - 15 Dec	Shenzhen Airlines
05 Dec - 12 Dec	Shenzhen Airlines
06 Dec - 14 Dec	Shenzhen Airlines
26 Dec - 02 Jan	Air China
26 Dec - 09 Jan	Air China
06 Dec - 13 Dec	Cathay Pacific
06 Dec - 14 Dec	Vietnam Airlines	direct
06 Dec - 13 Dec	Vietnam Airlines	direct
26 Dec - 09 Jan	Vietnam Airlines	direct
05 Dec - 12 Dec	Vietnam Airlines	direct
26 Dec - 02 Jan	Vietnam Airlines	direct

Also check the deals for one-way flights from Beijing 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 Beijing to Hanoi in December from 176€

Return flights