Cheap flights from Shannon to Oporto
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How to find the cheapest flight from
Shannon (SNN) to Oporto (OPO)
How far in advance should I book a flight from Shannon to Oporto?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 29% on flights from Shannon to Oporto compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £107. For sooner than that we have options available in the next 3 days from £135.