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

Return flights

15 Apr - 23 Apr	Ryanair
04 Apr - 11 Apr	Ryanair
15 Apr - 22 Apr	Ryanair
08 Apr - 15 Apr	Vueling Airlines
17 Apr - 20 Apr	easyJet
02 Apr - 08 Apr	Air France
26 Apr - 28 Apr	easyJet
07 Apr - 11 Apr	Ryanair
21 Apr - 25 Apr	Vueling Airlines
29 Apr - 02 May	Ryanair
08 Apr - 14 Apr	Vueling Airlines
21 Apr - 12 May	Vueling Airlines
21 Apr - 05 May	Vueling Airlines
28 Apr - 04 May	easyJet
21 Apr - 09 May	Vueling Airlines
21 Apr - 07 May	Vueling Airlines
30 Apr - 04 May	SWISS
21 Apr - 06 May	Vueling Airlines
29 Apr - 05 May	easyJet
28 Apr - 19 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 160€

Return flights