The Conference Trophey was held high by players as they celebrated their return to League football.
Around 15,000 fans turned out to take part in the celebrations which included an open top bus tour around the town.
After five years on the outside looking in, Luton are back where their fans believe they belong.
The Hatters took 101 points and 102 goals, with a winning margin of 18 points over their nearest rivals.
More top news
Sam Baker suffers from an eye condition meaning he needs to use a cane. The 11-year old says not all cane users are completely blind.
Remaining showers will clear through this evening, then largely clear at first tonight.
An inquest into the deaths of a family from Milton Keynes who were killed in a plane crash in Canada has found they died accidentally.