Cheapest return flights from Porto to Athens in May from $167

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

14 May - 20 May easyJet
27 May - 05 Jun Ryanair
29 May - 05 Jun Ryanair
19 May - 22 May Ryanair
14 May - 19 May easyJet
27 May - 03 Jun Ryanair
15 May - 20 May easyJet
16 May - 21 May Ryanair
15 May - 22 May Ryanair
15 May - 21 May Ryanair
22 May - 29 May Ryanair
28 May - 05 Jun Ryanair
20 May - 29 May Ryanair
11 May - 14 May Ryanair
30 May - 05 Jun KLM
29 May - 03 Jun KLM
14 May - 03 Jun Vueling Airlines
29 May - 02 Jun Ryanair
27 May - 01 Jun Ryanair
31 May - 07 Jun Ryanair

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