AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Warsaw (WAW) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep	Ryanair
10 Sep - 16 Sep	Wizz Air Malta
20 Sep - 25 Sep	Wizz Air Malta
20 Sep - 24 Sep	Wizz Air Malta
18 Sep - 22 Sep	Lufthansa
17 Sep - 22 Sep	Lufthansa
17 Sep - 19 Sep	Ryanair
09 Sep - 10 Sep	Wizz Air Malta
13 Sep - 14 Sep	Wizz Air Malta
09 Sep - 16 Sep	Lufthansa
05 Sep - 02 Oct	Lufthansa
05 Sep - 02 Oct	LOT	direct

Also check the deals for one-way flights from Cluj-napoca to Warsaw 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 Cluj-napoca to Warsaw in September from $166

Return flights