Question : How long are most people's visits to Porto when they fly in from Raleigh?
Answer : Over the next two months, travelers from RDU to OPO are planning on staying for 10 days on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : For the month of February, the cheapest day to fly is Sunday. Being flexible with your travel days garners you even more savings during your booking.
Question : How often are prices changing for this route?
Answer : Prices for RDU to OPO do fluctuate a lot more than most routes. The further out you book a route, the more likely you are to save.