There are zero airlines offering flights to New York. The most direct route isn’t necessarily the cheapest – being flexible is key to finding the lowest airfare rates. For example, try searching by month to see the best time of the week to fly.
New York John F Kennedy Airport is just one of the airports in New York. If you're not set on a specific airport, try changing your search from New York John F Kennedy Airport to New York to see a broader range of flights – they might be cheaper.
You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.