Cheapest return flights from Shannon to Porto in July from $140

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 July 2025 (see full year).

Return flights

17 Jul - 24 Jul Ryanair direct
09 Jul - 24 Jul Ryanair direct
09 Jul - 16 Jul Ryanair
08 Jul - 15 Jul Ryanair
17 Jul - 27 Jul Ryanair direct
09 Jul - 13 Jul Ryanair direct
09 Jul - 27 Jul Ryanair direct
03 Jul - 13 Jul Ryanair direct
03 Jul - 06 Jul Ryanair direct
09 Jul - 16 Jul Ryanair direct

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

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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