Greyhound USA operates a bus from Slidell to French Quarter once daily. Tickets cost $10 - $22 and the journey takes 54 min. Alternatively, Amtrak operates a train from Slidell to French Quarter once daily. Tickets cost $22 - $40 and the journey takes 1 h 25 min. New Orleans RTA also services this route every 30 minutes.
From Slidell, LA bus to New Orleans, LA. 54 min $17. From Slidell Amtrak train to Julia Street Station then tram to N. Rampart at St. Ann. 1 h 51 min $34. From Slidell taxi to French Quarter. 35 min $86. From Slidell drive to French Quarter. 35 min $3. From Slidell Uber to French Quarter. 35 min $46.