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
19 Jan - 02 Feb	Ryanair	direct
19 Jan - 26 Jan	Ryanair	direct
19 Jan - 06 Feb	Ryanair	direct
19 Jan - 30 Jan	Ryanair	direct
02 Jan - 16 Jan	Ryanair	direct
05 Jan - 12 Jan	Ryanair	direct
21 Jan - 25 Jan	easyJet
02 Jan - 12 Jan	Ryanair	direct
28 Jan - 01 Feb	easyJet
03 Jan - 12 Jan	easyJet
22 Jan - 27 Jan	Ryanair
07 Jan - 14 Jan	Lufthansa	direct
28 Jan - 01 Feb	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 100€

Return flights