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

Return flights

10 Sep - 15 Sep	HK Express
08 Sep - 15 Sep	T'way Air
08 Sep - 23 Sep	T'way Air
07 Sep - 10 Sep	Thai AirAsia X
23 Sep - 27 Sep	China Eastern
07 Sep - 14 Sep	Thai AirAsia X
22 Sep - 27 Sep	HK Express
16 Sep - 18 Sep	T'way Air
21 Sep - 28 Sep	Greater Bay Airlines
15 Sep - 22 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 $871

Return flights