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

Return flights

14 Mar - 16 Mar	Vueling Airlines
17 Mar - 21 Mar	Wizz Air Malta
17 Mar - 24 Mar	easyJet
14 Mar - 21 Mar	Vueling Airlines
02 Mar - 05 Mar	easyJet
09 Mar - 14 Mar	Ryanair
21 Mar - 28 Mar	easyJet
07 Mar - 14 Mar	easyJet
10 Mar - 16 Mar	Vueling Airlines
05 Mar - 08 Mar	easyJet
14 Mar - 01 Apr	Vueling Airlines
26 Mar - 05 Apr	easyJet
28 Mar - 02 Apr	Ryanair
26 Mar - 01 Apr	easyJet
21 Mar - 01 Apr	Vueling Airlines
14 Mar - 02 Apr	Vueling Airlines
17 Mar - 01 Apr	Vueling Airlines
31 Mar - 05 Apr	easyJet
29 Mar - 02 Apr	Air Serbia
27 Mar - 05 Apr	Air Serbia

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 137€

Return flights