AirHint found the following cheapest one-way flights from Barcelona (BCN) to Geneva (GVA) in September 2025 (see full year).

One-Way flights

25 Sep	Vueling Airlines	direct
23 Sep	Vueling Airlines	direct
30 Sep	easyJet	direct
17 Sep	easyJet	direct
27 Sep	Vueling Airlines	direct
20 Sep	Vueling Airlines	direct
28 Sep	Vueling Airlines	direct
22 Sep	Vueling Airlines
22 Sep	easyJet	direct

Also check the deals for return flights from Barcelona to Geneva 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 one-way flights from Barcelona to Geneva in September from 20€

One-Way flights