AirHint found the following cheapest return flights from Shannon (SNN) to Porto (OPO)
in May 2025 (see full year ).
Return flights
22 May
- 28 May
Ryanair
64 €
direct
15 May
- 22 May
Ryanair
71 €
direct
15 May
- 28 May
Ryanair
71 €
direct
07 May
- 22 May
Ryanair
81 €
direct
07 May
- 28 May
Ryanair
81 €
direct
18 May
- 22 May
Ryanair
85 €
direct
18 May
- 28 May
Ryanair
85 €
direct
04 May
- 22 May
Ryanair
89 €
direct
25 May
- 28 May
Ryanair
97 €
direct
22 May
- 05 Jun
Ryanair
104 €
direct
28 May
- 12 Jun
Ryanair
106 €
direct
22 May
- 11 Jun
Ryanair
107 €
direct
28 May
- 05 Jun
Ryanair
111 €
direct
28 May
- 11 Jun
Ryanair
113 €
direct
04 May
- 07 May
Ryanair
114 €
direct
22 May
- 04 Jun
Ryanair
114 €
direct
15 May
- 04 Jun
Ryanair
121 €
direct
28 May
- 04 Jun
Ryanair
121 €
direct
18 May
- 05 Jun
Ryanair
125 €
direct
25 May
- 12 Jun
Ryanair
132 €
direct
Also check the deals for one-way flights from Shannon to Porto in May .
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.