The legendary band are set to perform at Tennessee's Bonnaroo festival in June 2008 after lead singer Robert Plant had a "change of heart" over the decision to follow up their comeback concert at London's O2 arena earlier this month with further dates.
A source said: "They are going to play the Bonnaroo festival, which runs from June 12 to 15. This news will drive their fans absolutely wild.
"They have been bombarding their website to get back together for good but only lead singer Robert Plant wasn't keen to commit.
"Now he's had a change of heart and if it all goes well they are also talking about touring."
It has been rumoured that 2008 will see the band - which also includes bassist John Paul Jones and guitarist Jimmy Page, with late drummer John Bonham' s son Jason on drums - embark on a world tour that could net them in the region of £1 billion.
The source added to Britain's Daily Mirror newspaper: "All ticket sellers have been told a world tour will take place, there's just some ironing out of contracts to be done. They are already talking about playing venues like Knebworth, Glastonbury and even returning to Madison Square Garden in New York where they played their legendary shows in 1973.
"They were looking to do it in March but now it will most likely be May. With ticket sales combined with merchandising it could make them as much as £1 billion."
TAGS: Music Led Zeppelin