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

One-Way flights

02 Oct	Vueling Airlines	direct
28 Oct	Vueling Airlines	direct
01 Oct	Vueling Airlines	direct
07 Oct	easyJet	direct
06 Oct	easyJet	direct
23 Oct	easyJet	direct
22 Oct	easyJet	direct
16 Oct	easyJet	direct
05 Oct	Vueling Airlines	direct
10 Oct	Vueling Airlines	direct

Also check the deals for return flights from Geneva to Barcelona in October.

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 Geneva to Barcelona in October from 25€

One-Way flights