AirHint found the following cheapest return flights from Geneva (GVA) to Bucharest (BBU) in September 2025 (see full year).

Return flights

17 Sep - 01 Oct	easyJet
16 Sep - 19 Sep	easyJet
04 Sep - 07 Sep	easyJet
08 Sep - 16 Sep	easyJet
03 Sep - 07 Sep	easyJet
10 Sep - 11 Sep	easyJet
08 Sep - 15 Sep	easyJet
19 Sep - 21 Sep	British Airways
12 Sep - 14 Sep	British Airways
05 Sep - 07 Sep	easyJet
06 Sep - 12 Sep	easyJet

Also check the deals for one-way flights from Geneva 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 Geneva to Bucharest in September from $186

Return flights