Mick McCarthy's side lead the way with just six games remaining ahead of what could prove to be a season-defining clash against second-placed Birmingham next Monday.
And Kightly maintains belief is rife within the club's ranks that they can finish a job they so confidently started back in August - failing to find themselves outside of the top two since the third game of the season.
"It is massive for all of us to get up, there are not many players in our dressing room who have played in the Premier League and if we get there it will be a massive achievement," said the winger.
"We believe we are a decent side and we have good characters in there. We are young and ambitious and we believe we can get promoted.
"We have turned things around recently and just want to carry on until the end of the season."