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

Return flights

22 Sep - 28 Sep	Ryanair
30 Sep - 12 Oct	Pegasus Airlines
21 Sep - 04 Oct	Pegasus Airlines
11 Sep - 24 Sep	Ryanair
16 Sep - 24 Sep	Ryanair
14 Sep - 27 Sep	Pegasus Airlines
18 Sep - 25 Sep	Ryanair
14 Sep - 25 Sep	Pegasus Airlines
11 Sep - 21 Sep	Ryanair
18 Sep - 22 Sep	Ryanair
24 Sep - 09 Oct	Ryanair
12 Sep - 19 Sep	Ryanair
12 Sep - 14 Sep	Ryanair

Also check the deals for one-way flights from Zagreb to Colombo 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 Zagreb to Colombo in September from 468€

Return flights