$20 a seat will buy you legroom on a 2-hour flight (and $30 will buy you extra legroom in the front of the plane with better recline). Extra trans-atlantic legr

$20 a seat will buy you legroom on a 2-hour flight (and $30 will buy you extra legroom in the front of the plane with better recline). Extra trans-atlantic legroom costs more like $200 a seat, though.