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

Return flights

01 Sep - 04 Sep	Norwegian Air Sweden AOC
01 Sep - 06 Sep	Norwegian Air Sweden AOC
15 Sep - 20 Sep	Norwegian Air Sweden AOC
12 Sep - 15 Sep	Ryanair
18 Sep - 24 Sep	Lufthansa
17 Sep - 17 Sep	Scandinavian Airlines

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

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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Cheapest return flights from Helsinki to Sarajevo in September from $143

Return flights