AirHint found the following cheapest return flights from Beijing (PEK) to Oslo (OSL) in September 2025 (see full year).

Return flights

22 Sep - 29 Sep	Air China
23 Sep - 30 Sep	Air China
24 Sep - 08 Oct	Shandong Airlines
30 Sep - 12 Oct	Hainan Airlines
30 Sep - 09 Oct	Hainan Airlines
30 Sep - 04 Oct	Hainan Airlines
27 Sep - 07 Oct	Hainan Airlines
27 Sep - 11 Oct	Hainan Airlines	direct
30 Sep - 11 Oct	KLM

Also check the deals for one-way flights from Beijing to Oslo in September.

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 Oslo in September from 809€

Return flights