Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at December 18th. As of December 5th, the cheapest ticket sales are coming in 13% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : How many days should you spend in New York if you're flying in from Hanoi?
Answer : Of course you're not most people, but if you were, you'd stay roughly 19 days.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The lowest-cost day to fly in December is Monday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : Do prices change more for this route than others?
Answer : Prices for HAN to JFK do fluctuate a lot more than most routes. Remember, you can save by booking further in advance.