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

Return flights

12 Mar - 21 Mar	Vueling Airlines
12 Mar - 17 Mar	Ryanair
27 Mar - 02 Apr	easyJet
19 Mar - 22 Mar	easyJet
06 Mar - 21 Mar	Vueling Airlines
27 Mar - 04 Apr	Ryanair
28 Mar - 02 Apr	Ryanair
06 Mar - 17 Mar	Vueling Airlines
28 Mar - 15 Apr	Vueling Airlines
28 Mar - 13 Apr	Vueling Airlines
28 Mar - 08 Apr	Vueling Airlines
12 Mar - 02 Apr	Vueling Airlines
28 Mar - 16 Apr	Vueling Airlines
28 Mar - 09 Apr	Vueling Airlines
28 Mar - 06 Apr	Vueling Airlines

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

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 Athens in March from 178€

Return flights