<human>:  How can I find the cheapest flight from Houston to New York?
<bot>: The best way to find the cheapest flight from Houston to New York is to search online travel sites such as Expedia, Kayak, and Skyscanner. You can compare prices across different airlines to find the best deal. Additionally, setting up alerts on the sites can alert you when fares drop. You can also check airline websites for discounted fares.