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

Return flights

15 Apr - 16 May	Ryanair
18 Apr - 25 Apr	Ryanair
25 Apr - 28 Apr	Ryanair
17 Apr - 25 Apr	Ryanair
12 Apr - 15 Apr	Ryanair
15 Apr - 23 Apr	Ryanair
24 Apr - 28 Apr	Ryanair
08 Apr - 14 Apr	Ryanair
11 Apr - 15 Apr	Wizz Air Malta
20 Apr - 25 Apr	Air Europa
08 Apr - 15 Apr	Ryanair
28 Apr - 05 May	easyJet
20 Apr - 21 May	Air Europa
29 Apr - 07 May	Vueling Airlines
30 Apr - 04 May	Air Serbia
30 Apr - 05 May	Air Serbia
22 Apr - 13 May	Vueling Airlines
27 Apr - 13 May	Vueling Airlines
28 Apr - 13 May	Vueling Airlines
21 Apr - 05 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 145€

Return flights