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

Return flights

18 Jan - 31 Jan	Vueling Airlines
31 Jan - 03 Feb	Vueling Airlines
29 Jan - 31 Jan	Vueling Airlines
18 Jan - 26 Jan	Vueling Airlines
29 Jan - 14 Feb	Vueling Airlines
03 Jan - 10 Jan	Vueling Airlines
03 Jan - 04 Jan	Vueling Airlines

Also check the deals for one-way flights from Porto to Athens 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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Porto to Athens in January from 154€

Return flights