Cheapest return flights from Bucharest to Helsinki in September from $144

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

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

Return flights

15 Sep - 22 Sep Norwegian Air Sweden AOC direct
05 Sep - 22 Sep Norwegian Air Sweden AOC direct
05 Sep - 15 Sep Norwegian Air Sweden AOC direct
05 Sep - 08 Sep Norwegian Air Sweden AOC direct
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
04 Sep - 22 Sep Norwegian Air Sweden AOC
04 Sep - 15 Sep Norwegian Air Sweden AOC
08 Sep - 22 Sep Norwegian Air Sweden AOC direct
08 Sep - 15 Sep Norwegian Air Sweden AOC direct
04 Sep - 08 Sep Norwegian Air Sweden AOC
26 Sep - 13 Oct Norwegian Air Sweden AOC direct
15 Sep - 19 Sep Norwegian Air Sweden AOC direct
22 Sep - 13 Oct Norwegian Air Sweden AOC direct
29 Sep - 02 Oct Norwegian Air Sweden AOC
15 Sep - 02 Oct Norwegian Air Sweden AOC
29 Sep - 03 Oct Norwegian Air Sweden AOC direct
26 Sep - 02 Oct Norwegian Air Sweden AOC
15 Sep - 03 Oct Norwegian Air Sweden AOC direct
22 Sep - 02 Oct Norwegian Air Sweden AOC
26 Sep - 03 Oct Norwegian Air Sweden AOC direct

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

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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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