Cheapest return flights from Helsinki to Bucharest in September from $138

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

Return flights

30 Sep - 02 Oct Norwegian Air Sweden AOC
25 Sep - 30 Sep Norwegian Air Sweden AOC
29 Sep - 06 Oct Norwegian Air Sweden AOC direct
29 Sep - 03 Oct Norwegian Air Sweden AOC direct
16 Sep - 04 Oct Norwegian Air Sweden AOC
29 Sep - 09 Oct Norwegian Air Sweden AOC
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
25 Sep - 29 Sep Norwegian Air Sweden AOC
23 Sep - 01 Oct Norwegian Air Sweden AOC
23 Sep - 28 Sep Norwegian Air Sweden AOC
09 Sep - 16 Sep Norwegian Air Sweden AOC
26 Sep - 03 Oct Norwegian Air Sweden AOC
29 Sep - 10 Oct Norwegian Air Sweden AOC direct
25 Sep - 28 Sep Norwegian Air Sweden AOC
22 Sep - 22 Sep Ryanair
22 Sep - 25 Sep Ryanair
18 Sep - 22 Sep Norwegian Air Sweden AOC
19 Sep - 23 Sep Norwegian Air Sweden AOC
08 Sep - 15 Sep Ryanair
22 Sep - 06 Oct Norwegian Air Sweden AOC direct

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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