Cheapest one-way flights from Porto to Shannon in September from 30€

AirHint found the following cheapest one-way flights from Porto (OPO) to Shannon (SNN) in September 2025 (see full year).

One-Way flights

03 Sep Ryanair direct
11 Sep Ryanair direct
04 Sep Ryanair direct
24 Sep Ryanair direct
18 Sep Ryanair direct
17 Sep Ryanair direct
25 Sep Ryanair direct
10 Sep Ryanair direct
07 Sep Ryanair direct
01 Sep Ryanair

Also check the deals for return flights from Porto to Shannon in September.

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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