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

Return flights

21 Apr - 06 May	Ryanair
24 Apr - 09 May	Ryanair
18 Apr - 21 Apr	easyJet
25 Apr - 28 Apr	Ryanair
24 Apr - 28 Apr	Ryanair
10 Apr - 16 Apr	Wizz Air Malta
08 Apr - 15 Apr	Vueling Airlines
16 Apr - 20 Apr	Ryanair
18 Apr - 23 Apr	Ryanair
10 Apr - 18 Apr	Wizz Air Malta
08 Apr - 28 Apr	Vueling Airlines
29 Apr - 07 May	Air Europa
10 Apr - 15 Apr	Wizz Air Malta
29 Apr - 09 May	easyJet
27 Apr - 06 May	Vueling Airlines
21 Apr - 12 May	Vueling Airlines
26 Apr - 06 May	easyJet
27 Apr - 12 May	Vueling Airlines
29 Apr - 28 May	easyJet
28 Apr - 06 May	Vueling Airlines

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

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 April from $183

Return flights