Wales international Wes Burns and Chelsea loanee Omari Hutchinson struck for today's 2-0 win.
It means Ipswich return to the Premier League for the first time since 2002.
Ipswich boss Kieran McKenna later said: "I feel great. A lot of relief, I have to say. it's a wonderful day.
"We have promised ourselves a few days off but there's a lot of work to do. We are way ahead of schedule. There is a lot of work to do at the club in pretty much every department - that's not for thinking about today, today is for enjoying it. Maybe after Monday night we'll sit down and plan.
"I have big associations with Tottenham and Man United in particular and they will be games to look forward to in particular on a personal level, but it's the best league in the world, best clubs, best managers and players - it's going to be great - we'll enjoy every game.
"It's a great challenge. Competing against the best in the world. We know it will be a monumental jump.
"It's been said we've had our late winners this season but over the course of it we've performed at such a high level consistently that I think the players deserve everything they are getting."