56 - 242 GBP
Travelling from most locations, it is best to book your flight to Porto during the month of January for the best deal, although there are other times of the year which offer great deals as well.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Porto.
From most locations, the cheapest flights to Porto are found on a Tuesday. Booking a Friday departure is usually the most expensive.
On average you can find the best deals on plane tickets to Porto when looking for flights with afternoon departure times.