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

Return flights

04 Sep - 11 Sep	Zipair
12 Sep - 14 Sep	China Eastern
11 Sep - 15 Sep	Thai Lion Air
02 Sep - 10 Sep	T'way Air
09 Sep - 17 Sep	Thai Airways
04 Sep - 14 Sep	Thai Airways
10 Sep - 16 Sep	Thai Airways
05 Sep - 12 Sep	Thai Airways
08 Sep - 17 Sep	SWISS
13 Sep - 21 Sep	Thai Airways

Also check the deals for one-way flights from Tokyo 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 Tokyo to Oslo in September from 748€

Return flights