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

Return flights

21 Mar - 28 Mar	easyJet
17 Mar - 28 Mar	easyJet
24 Mar - 28 Mar	easyJet
21 Mar - 24 Mar	easyJet
17 Mar - 24 Mar	easyJet
07 Mar - 12 Mar	easyJet
06 Mar - 13 Mar	Ryanair
19 Mar - 30 Mar	easyJet
05 Mar - 19 Mar	Volotea
07 Mar - 11 Mar	easyJet
28 Mar - 02 Apr	Ryanair
28 Mar - 01 Apr	Ryanair
29 Mar - 02 Apr	Ryanair
31 Mar - 02 Apr	Ryanair
30 Mar - 02 Apr	Ryanair
28 Mar - 04 Apr	Ryanair
29 Mar - 05 Apr	Ryanair
30 Mar - 04 Apr	Ryanair
28 Mar - 11 Apr	easyJet
31 Mar - 07 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 116€

Return flights