Cheap flights from Ireland to Oporto
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How to find the cheapest flight from
Ireland to Oporto (OPO)
How far in advance should I book a flight from Ireland to Oporto?
Users have found that booking a flight from Ireland to Oporto at least 60 days early can save you up to 31% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from Ireland to Oporto for as little as £112 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £135 for flights departing within the next 3 days.