Cheapest return flights from Athens to Porto in May from $176

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

Return flights

07 May - 13 May Volotea
07 May - 12 May Air Serbia
12 May - 16 May Ryanair
13 May - 20 May Ryanair
06 May - 10 May Air Serbia
07 May - 10 May Air Serbia
12 May - 19 May Ryanair
14 May - 17 May Air Serbia
13 May - 17 May Ryanair
12 May - 14 May Ryanair
26 May - 07 Jun Ryanair
28 May - 03 Jun Ryanair
27 May - 03 Jun SWISS
27 May - 16 Jun Vueling Airlines
28 May - 04 Jun SWISS
28 May - 01 Jun Ryanair
27 May - 10 Jun Vueling Airlines
27 May - 06 Jun Vueling Airlines
30 May - 02 Jun easyJet
28 May - 16 Jun Vueling Airlines

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

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