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

Return flights

05 Jan - 26 Jan	Ryanair	direct
16 Jan - 26 Jan	Ryanair
05 Jan - 08 Jan	Ryanair
06 Jan - 13 Jan	Ryanair
02 Jan - 05 Jan	Ryanair
06 Jan - 13 Jan	Lufthansa	direct
02 Jan - 05 Jan	Ryanair	direct
16 Jan - 26 Jan	Lufthansa	direct
04 Jan - 08 Jan	Lufthansa	direct
05 Jan - 08 Jan	Lufthansa	direct

Also check the deals for one-way flights from Frankfurt to Porto 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 Frankfurt to Porto in January from 104€

Return flights