Cheapest return flights from Zagreb to Helsinki in September from 139€

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

Return flights

11 Sep - 17 Sep Ryanair
11 Sep - 15 Sep Ryanair
12 Sep - 15 Sep Ryanair
15 Sep - 19 Sep Ryanair
29 Sep - 03 Oct Ryanair
14 Sep - 19 Sep Ryanair
15 Sep - 20 Sep Ryanair
11 Sep - 18 Sep Ryanair
22 Sep - 19 Oct KLM
23 Sep - 28 Sep Lufthansa
27 Sep - 28 Sep Lufthansa

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