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

Return flights

31 Jan - 24 Feb	easyJet	direct
31 Jan - 23 Feb	easyJet	direct
29 Jan - 31 Jan	Ryanair
31 Jan - 02 Feb	easyJet
24 Jan - 26 Jan	easyJet
31 Jan - 20 Feb	easyJet	direct
22 Jan - 26 Jan	Ryanair
28 Jan - 02 Feb	Ryanair
26 Jan - 26 Jan	Ryanair
29 Jan - 02 Feb	easyJet
31 Jan - 01 Feb	easyJet
23 Jan - 26 Jan	Ryanair
31 Jan - 19 Feb	easyJet	direct
31 Jan - 16 Feb	easyJet	direct
31 Jan - 17 Feb	easyJet	direct
22 Jan - 24 Jan	Ryanair
22 Jan - 29 Jan	Ryanair
22 Jan - 27 Jan	Ryanair
22 Jan - 25 Jan	Ryanair
21 Jan - 29 Jan	Ryanair

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 98€

Return flights