Link: https://www.jetblue.com/deals/tbpromo/enrollment.aspx?promoID=62&hasPromoCode=false&intcmp=hpIMG1BuynowJetlater20090513

Jet Blue is offering a sweet deal... register and book by the 27th of May, fly by the 23rd of June (return flight) and get a $50 off voucher for another flight from the 9th of September to the 15th of November. Certain restrictions apply.