Cheapest return flights from Shannon to Porto in March from $122

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 March 2025 (see full year).

Return flights

30 Mar - 16 Apr Ryanair direct
30 Mar - 17 Apr Ryanair direct
30 Mar - 10 Apr Ryanair direct
14 Mar - 18 Mar Ryanair
30 Mar - 13 Apr Ryanair direct

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

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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