31.60 =er a seat PLUS cost of extra leg room... For First Class there is one flight on US Air departs STT at 3:40pm =rrives Philly 6:48pm ..departs Philly 8:15pm arrive Boston 9:27pm...there=are about 7 seats available. $1329.10 per ticket first class please advise=?xml version=.0" encoding=TF-8"?> <!DOCTYPE