Question : In the next four weeks, what day should you book your trip?
Answer : Since low prices are preferred, look at Mar 29th. As of Mar 20th, it's showing the cheapest ticket sales at $509. That is 39% below the average price for this route, so you can spend that extra cash on an adventure rather than the flight.
Question : How much should a trip from New York (JFK) to Vieques (VQS) cost?
Answer : Flight prices are fluctuating less for this route than the majority of routes from the United States, as they're ranging from $509 to $1,171. Prices tend to be lower the further out you book.
Question : How long do most people stay in Vieques?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The lowest-cost day to fly in April is Monday. Flexibility is paramount when booking travel plans in order to keep travel costs down.