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

Return flights

11 Sep - 15 Sep	Transavia France
25 Sep - 07 Oct	Transavia France
19 Sep - 21 Sep	Wizz Air Malta
01 Sep - 15 Sep	Wizz Air Malta
09 Sep - 13 Sep	Transavia France
12 Sep - 15 Sep	Vueling Airlines
02 Sep - 10 Sep	Transavia France
04 Sep - 08 Sep	Transavia France
03 Sep - 08 Sep	Vueling Airlines
06 Sep - 12 Sep	Transavia France
29 Sep - 06 Oct	easyJet
06 Sep - 13 Sep	Transavia France
22 Sep - 31 Oct	easyJet

Also check the deals for one-way flights from Paris 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 Paris to Bucharest in September from 131€

Return flights