To celebrate its 20th anniversary JetBlue is offering one-way flights for only $20. If you want in on the “20 Years Just Flew By” sale you have to be fast.  The sale ends at 11:59:59 pm tonight! It requires travelers to leave on a Tuesday or Wednesday.  There’s also deals for those that don’t mind boarding the plane last could also get extra savings.  Travel plans in the making?!