Cheapest return flights from Bucharest to Helsinki in September from $142

AirHint found the following cheapest return flights from Bucharest (OTP) to Helsinki (HEL) in September 2025 (see full year).

Return flights

12 Sep - 22 Sep Norwegian Air Sweden AOC direct
08 Sep - 22 Sep Norwegian Air Sweden AOC direct
12 Sep - 15 Sep Norwegian Air Sweden AOC direct
08 Sep - 15 Sep Norwegian Air Sweden AOC direct
01 Sep - 22 Sep Norwegian Air Sweden AOC direct
01 Sep - 08 Sep Norwegian Air Sweden AOC direct
01 Sep - 15 Sep Norwegian Air Sweden AOC direct
12 Sep - 29 Sep Norwegian Air Sweden AOC direct
19 Sep - 22 Sep Norwegian Air Sweden AOC direct
08 Sep - 29 Sep Norwegian Air Sweden AOC direct
19 Sep - 06 Oct Norwegian Air Sweden AOC direct
29 Sep - 06 Oct Norwegian Air Sweden AOC direct
15 Sep - 06 Oct Norwegian Air Sweden AOC direct
26 Sep - 06 Oct Norwegian Air Sweden AOC direct
29 Sep - 17 Oct Norwegian Air Sweden AOC direct
22 Sep - 06 Oct Norwegian Air Sweden AOC direct
26 Sep - 17 Oct Norwegian Air Sweden AOC direct
18 Sep - 06 Oct Norwegian Air Sweden AOC
12 Sep - 02 Oct Norwegian Air Sweden AOC
19 Sep - 02 Oct Norwegian Air Sweden AOC

Also check the deals for one-way flights from Bucharest to Helsinki in September.

Skyscanner

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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