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

Return flights

15 Aug - 22 Aug	HK Express
05 Aug - 20 Aug	HK Express
17 Aug - 23 Aug	HK Express
02 Aug - 27 Aug	HK Express
13 Aug - 17 Aug	HK Express
12 Aug - 18 Aug	HK Express
10 Aug - 18 Aug	HK Express
18 Aug - 22 Aug	HK Express
04 Aug - 25 Aug	HK Express
03 Aug - 20 Aug	HK Express
30 Aug - 05 Sep	HK Express
31 Aug - 05 Sep	HK Express
30 Aug - 04 Sep	Juneyao Airlines
30 Aug - 02 Sep	Juneyao Airlines
29 Aug - 07 Sep	Juneyao Airlines
28 Aug - 08 Sep	Japan Airlines
26 Aug - 02 Sep	Thai AirAsia X
30 Aug - 03 Sep	Spring Airlines Japan
28 Aug - 04 Sep	Japan Airlines
28 Aug - 09 Sep	Japan Airlines

Also check the deals for one-way flights from Tokyo to Helsinki 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 Tokyo to Helsinki in August from $953

Return flights