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

Return flights

07 Mar - 11 Mar	Ryanair
06 Mar - 11 Mar	Ryanair
05 Mar - 10 Mar	Ryanair
05 Mar - 11 Mar	Ryanair
06 Mar - 12 Mar	Ryanair
05 Mar - 12 Mar	Ryanair
01 Mar - 06 Mar	Ryanair
03 Mar - 07 Mar	Ryanair
05 Mar - 08 Mar	Ryanair
18 Mar - 23 Mar	Vueling Airlines
24 Mar - 02 Apr	Ryanair
27 Mar - 02 Apr	Ryanair
29 Mar - 02 Apr	Wizz Air
26 Mar - 02 Apr	Ryanair
28 Mar - 02 Apr	Ryanair
27 Mar - 01 Apr	Ryanair
27 Mar - 03 Apr	Ryanair
28 Mar - 01 Apr	Ryanair
28 Mar - 07 Apr	Ryanair
27 Mar - 04 Apr	Ryanair

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 $128

Return flights