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

Return flights

27 Aug - 10 Sep	Lufthansa
31 Aug - 15 Sep	Finnair
30 Aug - 14 Sep	airBaltic
31 Aug - 14 Sep	airBaltic
27 Aug - 03 Sep	Ryanair
30 Aug - 10 Sep	Ryanair
25 Aug - 31 Aug	Finnair
22 Aug - 27 Aug	Lufthansa
18 Aug - 31 Aug	Norwegian Air Sweden AOC
24 Aug - 09 Sep	KLM
12 Aug - 19 Aug	Norwegian Air Sweden AOC
21 Aug - 27 Aug	Finnair
19 Aug - 26 Aug	Qatar Airways
22 Aug - 18 Sep	Etihad Airways
13 Aug - 16 Aug	Pegasus Airlines
10 Aug - 24 Aug	Turkish Airlines
06 Aug - 31 Aug	Qatar Airways
15 Aug - 30 Aug	Scandinavian Airlines
24 Aug - 09 Sep	Finnair	direct
31 Aug - 16 Sep	Finnair	direct

Also check the deals for one-way flights from Helsinki 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 Helsinki to Tokyo in August from 737€

Return flights