Easy Jet, Bristol to Barcelona, Sept 22nd - Sept 29th, even swap for Paris !

I would like to swap my Easy Jet, Bristol to Barcelona flight for either a Bristol, or London to Paris flight for the same dates, or very near to, Eurostar is also ok Bristol to Barcelona (Terminal 2B) Dep 22 September 2012 10:35 Arr 22 September 2012 13:40 Check in closes 22 September 2012 09:55 Saturday, 29 September 2012 14:15 Barcelona (Terminal 2C) to Bristol Dep 29 September 2012 14:15 Arr 29 September 2012 15:30 Check in closes 29 September 2012 13:35