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

Return flights

26 Aug - 08 Sep	Thai Airways
24 Aug - 21 Sep	Thai Airways
27 Aug - 11 Sep	Thai Airways
21 Aug - 03 Sep	Thai Airways
25 Aug - 31 Aug	Ryanair
12 Aug - 26 Aug	Thai Airways
23 Aug - 31 Aug	Norwegian
21 Aug - 31 Aug	Norwegian
25 Aug - 08 Sep	Thai Airways
25 Aug - 09 Sep	Thai Airways
20 Aug - 28 Aug	Scandinavian Airlines
12 Aug - 30 Aug	Thai Airways
24 Aug - 13 Sep	LOT
01 Aug - 17 Aug	Norwegian
19 Aug - 25 Aug	Thai Airways
01 Aug - 10 Aug	Scandinavian Airlines
14 Aug - 25 Aug	Thai Airways
25 Aug - 10 Sep	Emirates

Also check the deals for one-way flights from Oslo to Tokyo in August.

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 Tokyo in August from 731€

Return flights