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

Return flights

10 Sep - 17 Sep	Air France
16 Sep - 13 Oct	Air France
27 Sep - 18 Oct	KLM
27 Sep - 12 Oct	KLM
27 Sep - 04 Oct	Air France
09 Sep - 16 Sep	KLM
15 Sep - 22 Sep	Ryanair
11 Sep - 18 Sep	Pegasus Airlines
21 Sep - 02 Oct	KLM
11 Sep - 20 Sep	Pegasus Airlines
13 Sep - 20 Sep	Ryanair
11 Sep - 25 Sep	Pegasus Airlines
06 Sep - 17 Sep	KLM
06 Sep - 20 Sep	Finnair
09 Sep - 20 Sep	Wizz Air Malta
27 Sep - 02 Oct	Ryanair

Also check the deals for one-way flights from Oslo to Beijing 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 Oslo to Beijing in September from $672

Return flights