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

Return flights

03 Oct - 13 Oct	Shenzhen Airlines
11 Oct - 16 Oct	Shenzhen Airlines
16 Oct - 26 Oct	Shenzhen Airlines
17 Oct - 21 Oct	Shenzhen Airlines
19 Oct - 22 Oct	Shenzhen Airlines
20 Oct - 29 Oct	Shenzhen Airlines
02 Oct - 10 Oct	Shenzhen Airlines
17 Oct - 20 Oct	Shenzhen Airlines
26 Oct - 30 Oct	Air China
03 Oct - 09 Oct	Shenzhen Airlines

Also check the deals for one-way flights from Beijing 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 Beijing to Hanoi in October from $220

Return flights