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

Return flights

07 Sep - 10 Sep	Singapore Airlines
26 Sep - 06 Oct	Singapore Airlines
16 Sep - 23 Sep	Singapore Airlines
12 Sep - 22 Sep	Thai Airways
13 Sep - 22 Sep	Thai Airways
05 Sep - 19 Sep	Thai Airways
05 Sep - 23 Sep	Thai Airways
05 Sep - 21 Sep	Thai Airways
05 Sep - 14 Sep	Thai Airways
26 Sep - 05 Oct	Thai Airways
25 Sep - 05 Oct	Thai Airways
01 Sep - 11 Sep	Thai Airways
19 Sep - 26 Sep	Singapore Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Oslo in September from 922€

Return flights