AirHint found the following cheapest return flights from Porto (OPO) to Basel (BSL) in January 2026 (see full year).

Return flights

08 Jan - 11 Jan	Vueling Airlines
08 Jan - 15 Jan	Vueling Airlines
08 Jan - 23 Jan	Vueling Airlines
08 Jan - 29 Jan	Vueling Airlines
08 Jan - 11 Jan	easyJet	direct
06 Jan - 08 Jan	Ryanair
06 Jan - 08 Jan	easyJet	direct

Also check the deals for one-way flights from Porto to Basel in January.

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 Basel in January from 123€

Return flights