Cheapest return flights from Oslo to Zagreb in September from $51

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

Return flights

08 Sep - 10 Sep Ryanair direct
10 Sep - 17 Sep Ryanair direct
08 Sep - 19 Sep Ryanair direct
08 Sep - 12 Sep Ryanair direct
17 Sep - 19 Sep Ryanair direct
17 Sep - 24 Sep Ryanair direct
29 Sep - 01 Oct Ryanair direct
22 Sep - 26 Sep Ryanair direct
19 Sep - 22 Sep Ryanair direct
12 Sep - 15 Sep Ryanair direct
19 Sep - 29 Sep Ryanair direct
26 Sep - 01 Oct Ryanair
21 Sep - 02 Oct Ryanair
26 Sep - 01 Oct Ryanair direct
28 Sep - 05 Oct Air Serbia

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