Cheapest return flights from Helsinki to Bucharest in September from 134€

Best time to book flights for Helsinki (HEL) to Bucharest (OTP) flights at AirHint

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

Return flights

19 Sep - 25 Sep Norwegian Air Sweden AOC
01 Sep - 05 Sep Norwegian Air Sweden AOC direct
01 Sep - 15 Sep Norwegian Air Sweden AOC direct
01 Sep - 19 Sep Norwegian Air Sweden AOC direct
01 Sep - 04 Sep Norwegian Air Sweden AOC
01 Sep - 06 Sep Norwegian Air Sweden AOC
19 Sep - 22 Sep Norwegian Air Sweden AOC direct
12 Sep - 15 Sep Norwegian Air Sweden AOC direct
12 Sep - 22 Sep Norwegian Air Sweden AOC direct
01 Sep - 07 Sep Norwegian Air Sweden AOC

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