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

Return flights

09 Sep - 16 Sep	easyJet
11 Sep - 16 Sep	easyJet
23 Sep - 25 Sep	easyJet
27 Sep - 30 Sep	easyJet
23 Sep - 29 Oct	easyJet
11 Sep - 30 Sep	easyJet
27 Sep - 29 Sep	easyJet
22 Sep - 24 Sep	easyJet
27 Sep - 02 Oct	easyJet
27 Sep - 04 Oct	easyJet
16 Sep - 17 Sep	easyJet
30 Sep - 03 Oct	easyJet
13 Sep - 16 Sep	easyJet
29 Sep - 30 Sep	easyJet
29 Sep - 01 Oct	easyJet
26 Sep - 10 Oct	easyJet
24 Sep - 01 Oct	easyJet
10 Sep - 15 Oct	easyJet
26 Sep - 05 Oct	easyJet
28 Sep - 01 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 $144

Return flights