Question : How many days should you spend in New York if you're flying in from Key West?
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 : For the month of February, the cheapest day to fly is Saturday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : Are prices changing frequently for this route?
Answer : Flight prices for EYW to LGA fluctuate much more than most. However, the sooner you book, the better price you tend to get.