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.
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Sunny spells are likely to develop as cloudy skies break, but there will also be a few sharp showers possible by midday.