Cheapest return flights from Shannon to Porto in May from 90€

Best time to book flights for Shannon (SNN) to Porto (OPO) flights at AirHint

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

Return flights

21 May - 29 May Ryanair direct
21 May - 22 May Ryanair direct
25 May - 29 May Ryanair direct
04 May - 22 May Ryanair direct
21 May - 01 Jun Ryanair direct
29 May - 18 Jun Ryanair direct
25 May - 01 Jun Ryanair direct
29 May - 01 Jun Ryanair direct

Also check the deals for one-way flights from Shannon to Porto 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.

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