Question : Should you take that vacation to Portland in the next 30 days?
Answer : December 18th offers bookings (as of November 28th) that are 60% below the average price for this route. Saving on flight fares means you'll have more money to spend on your trip.
Question : Is Shanghai Pudong International Airport (PVG) the cheapest airport for getting to Portland International Airport (PDX)?
Answer : Try looking for flights from Shanghai Hongqiao International Airport (SHA) as well. Over the next two months, flights from SHA to PDX are being booked 26% cheaper than flights from PVG to PDX. Being only 28 miles away, it's easily accessible for most.
Question : How long do most people stay in Portland when they fly in from Shanghai?
Answer : Of course you're not most people, but if you were, you'd stay roughly 26 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The best day to fly on a budget this month is Friday. 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 PVG to PDX do change a lot more than the majority of routes. Prices tend to be lower the further out you book.