Question : Is Tijuana Airport (TIJ) the cheapest airport for getting to John F. Kennedy International Airport (JFK)?
Answer : Try looking for flights from San Diego International Airport (SAN) as well. Over the upcoming two months, flights from SAN to JFK are being booked 52% cheaper than flights from TIJ to JFK. Being only 18 miles away, it's easily accessible for most.
Question : How long are most people's visits to New York when they fly in from Tijuana?
Answer : Of course you're not most people, but if you were, you'd stay roughly three days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : In December, Saturday is your cheapest day to fly. Flexibility is paramount when booking travel plans in order to keep costs down.