Cheapest return WMI–OPO flights, May

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

Return flights

26 May - 09 Jun Ryanair
19 May - 27 May Wizz Air
13 May - 20 May Ryanair direct
19 May - 20 May Wizz Air
13 May - 27 May Ryanair direct
26 May - 11 Jun Ryanair
15 May - 19 May Ryanair
25 May - 05 Jun Ryanair
13 May - 17 May Ryanair direct
12 May - 19 May Ryanair
20 May - 27 May Wizz Air
14 May - 26 May Ryanair
27 May - 02 Jun Ryanair
13 May - 24 May Ryanair
29 May - 05 Jun Ryanair
31 May - 09 Jun Ryanair
13 May - 03 Jun Ryanair direct
20 May - 10 Jun Ryanair direct
24 May - 10 Jun Ryanair direct
20 May - 03 Jun Ryanair direct

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

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