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

Return flights

17 Sep - 18 Sep	Ryanair
30 Sep - 04 Oct	easyJet
13 Sep - 18 Sep	easyJet
23 Sep - 30 Sep	easyJet
23 Sep - 07 Oct	easyJet
09 Sep - 11 Sep	easyJet
25 Sep - 30 Sep	Ryanair
18 Sep - 04 Oct	Ryanair
17 Sep - 22 Sep	Ryanair
18 Sep - 27 Sep	Ryanair
24 Sep - 27 Sep	Ryanair
18 Sep - 22 Sep	Ryanair
10 Sep - 16 Sep	Ryanair
18 Sep - 25 Oct	Ryanair
29 Sep - 07 Oct	Ryanair
28 Sep - 02 Oct	Jet2
29 Sep - 04 Oct	Ryanair
25 Sep - 05 Oct	Ryanair

Also check the deals for one-way flights from Reus 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 Reus to Bucharest in September from $154

Return flights