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Today only, JetBlue via DealBase offers 1-way nationwide flights, with prices starting from $19.40 during its Fall Flash Sale. That's the lowest price we could find for select routes by at least $29. Book this travel deal today for travel from September 1 through November 1. Buy Now 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 September 4. All prices, dates, and booking details were valid at the time of publication.