Cheapest return flights from Shannon to Porto in August from 97€

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 August 2025 (see full year).

Return flights

21 Aug - 28 Aug Ryanair direct
17 Aug - 28 Aug Ryanair direct
28 Aug - 11 Sep Ryanair direct
31 Aug - 18 Sep Ryanair direct
28 Aug - 04 Sep Ryanair direct
21 Aug - 04 Sep Ryanair direct
13 Aug - 28 Aug Ryanair direct
17 Aug - 04 Sep Ryanair direct
31 Aug - 11 Sep Ryanair direct
31 Aug - 04 Sep Ryanair direct
17 Aug - 20 Aug Ryanair direct
28 Aug - 31 Aug Ryanair direct
28 Aug - 03 Sep Ryanair direct
13 Aug - 20 Aug Ryanair direct
21 Aug - 31 Aug Ryanair direct
21 Aug - 03 Sep Ryanair direct
13 Aug - 14 Aug Ryanair direct
17 Aug - 31 Aug Ryanair direct
17 Aug - 03 Sep Ryanair direct
13 Aug - 31 Aug Ryanair direct

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

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.

Book a cheap hotel in Porto

Cheap car rent in Porto