Save at least $5 on over 300 routes in early 2020. Buy Now at DealBase Tips On the DealBase landing page, click "JetBlue" in the top line to see this sale. We found this price on flights departing from Boston, MA (BOS) with arrival in Buffalo, NY (BUF) on January 8. Book this travel deal by December 18 for flights from January 8 through March 31. All prices, dates, and booking details were valid at the time of publication.