Cheapest return flights from Porto to Athens in May from $166

Best time to book flights for Porto (OPO) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Athens (ATH) in May 2025 (see full year).

Return flights

27 May - 04 Jun easyJet
07 May - 22 May Ryanair
13 May - 20 May Ryanair
22 May - 26 May Air Serbia
21 May - 28 May Ryanair
27 May - 03 Jun easyJet
07 May - 10 May Ryanair
22 May - 05 Jun Air Serbia
20 May - 27 May Ryanair
19 May - 22 May Vueling Airlines
22 May - 29 May Air Serbia
22 May - 29 May Aegean Airlines direct
15 May - 20 May easyJet
29 May - 03 Jun KLM
29 May - 04 Jun easyJet
29 May - 02 Jun Air Serbia
07 May - 09 Jun easyJet
20 May - 04 Jun Vueling Airlines
29 May - 03 Jun Aegean Airlines direct
27 May - 07 Jun easyJet

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

Skyscanner

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.

Book a cheap hotel in Athens

Cheap car rent in Athens