Cheapest return flights from Helsinki to Bucharest in September from 125€

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

Return flights

23 Sep - 28 Sep Ryanair
15 Sep - 26 Sep Norwegian Air Sweden AOC direct
08 Sep - 26 Sep Norwegian Air Sweden AOC direct
22 Sep - 03 Oct Norwegian Air Sweden AOC direct
15 Sep - 03 Oct Norwegian Air Sweden AOC direct
08 Sep - 15 Sep Norwegian Air Sweden AOC
10 Sep - 15 Sep Ryanair
15 Sep - 22 Sep Norwegian Air Sweden AOC
22 Sep - 28 Sep Norwegian Air Sweden AOC
15 Sep - 22 Sep Norwegian Air Sweden AOC direct
15 Sep - 19 Sep Norwegian Air Sweden AOC direct
08 Sep - 22 Sep Norwegian Air Sweden AOC direct
29 Sep - 03 Oct Norwegian Air Sweden AOC direct
22 Sep - 09 Oct Norwegian Air Sweden AOC
19 Sep - 03 Oct Norwegian Air Sweden AOC direct
29 Sep - 13 Oct Norwegian Air Sweden AOC direct
22 Sep - 10 Oct Norwegian Air Sweden AOC direct
26 Sep - 03 Oct Norwegian Air Sweden AOC
29 Sep - 09 Oct Norwegian Air Sweden AOC
26 Sep - 03 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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Feel free to contact us with any feedback or request another flight research.