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

Return flights

25 Sep - 04 Oct	Air China
16 Sep - 17 Sep	Emirates
17 Sep - 30 Sep	Hainan Airlines
18 Sep - 02 Oct	China Eastern
16 Sep - 18 Sep	Emirates
25 Sep - 05 Oct	Air China
19 Sep - 29 Sep	Emirates
29 Sep - 07 Oct	China Eastern
30 Sep - 07 Oct	Greater Bay Airlines
19 Sep - 30 Sep	Thai Lion Air
25 Sep - 07 Oct	Hainan Airlines
30 Sep - 10 Oct	China Eastern
27 Sep - 03 Oct	HK Express
29 Sep - 09 Oct	China Eastern
30 Sep - 11 Oct	Greater Bay Airlines
16 Sep - 16 Sep	Emirates

Also check the deals for one-way flights from Hong Kong 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 Hong Kong to Oslo in September from 618€

Return flights