Question : How long do most people stay in Dulles?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : What price range should you expect when booking from Porto (OPO) to Dulles (IAD)?
Answer : Prices for this trip tend to change a lot more than other flights from Portugal. They can range anywhere from $749 to $2,722. However, the sooner you book, the more you'll be able to save.
Question : Which airline is giving the best deals for round-trip flights from Porto Airport (OPO) to Washington Dulles International Airport (IAD)?
Answer : Turkish Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $749, while prices for other flights are as high as $2,722.
Question : What is the cheapest day to fly in the next four weeks?
Answer : As of May 22nd, the cheapest day to fly from Porto to Dulles is Jun 15th. Tickets are currently being sold for $749, which is 66% below the average price for this route.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Tuesday. Being flexible with your travel days garners even more savings during booking.