AirHint found the following cheapest return flights from Porto (OPO) to Bratislava (BTS) in October 2025 (see full year).

Return flights

10 Oct - 14 Oct	Ryanair
23 Oct - 27 Oct	Ryanair
10 Oct - 13 Oct	Ryanair
09 Oct - 13 Oct	Ryanair
10 Oct - 12 Oct	Ryanair
22 Oct - 24 Oct	Ryanair
21 Oct - 26 Oct	Ryanair
15 Oct - 17 Oct	Ryanair
29 Oct - 04 Nov	Ryanair
25 Oct - 26 Oct	Ryanair
24 Oct - 29 Oct	Ryanair
31 Oct - 03 Nov	Ryanair

Also check the deals for one-way flights from Porto to Bratislava 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 return flights from Porto to Bratislava in October from 127€

Return flights