AirHint found the following cheapest return flights from Krakow (KRK) to Bucharest (OTP) in September 2025 (see full year).

Return flights

02 Sep - 01 Oct	Wizz Air
23 Sep - 27 Sep	Wizz Air
02 Sep - 09 Sep	Wizz Air
22 Sep - 26 Sep	Wizz Air
27 Sep - 04 Oct	Wizz Air
02 Sep - 04 Sep	Wizz Air
16 Sep - 23 Sep	Wizz Air
17 Sep - 23 Sep	Wizz Air
02 Sep - 07 Sep	Wizz Air
20 Sep - 24 Sep	Wizz Air
23 Sep - 25 Sep	Wizz Air
21 Sep - 25 Sep	Norwegian Air Sweden AOC
28 Sep - 01 Oct	Wizz Air
27 Sep - 01 Oct	Ryanair

Also check the deals for one-way flights from Krakow to Bucharest 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 Krakow to Bucharest in September from 66€

Return flights