If you want a cheap flight from East Midlands to New York, you've got zero airlines to choose from.
New York Newark Liberty International 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 Newark Liberty International Airport to New York to see a broader range of flights – they might be cheaper.
If you're planning on going to New York during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.