How long the airport transfer in Bali will take simply depends on where you go and when you go. Bali’s infrastructure isn’t the best. During peak times there is a lot of traffic. To Kuta, Legian, and Seminyak a Ride usually takes 20 minutes at best and up to 45 minutes in the worst case. Trips to the Bukit, Sanur and to Canggu can take up to an hour. A ride to Ubud takes up to 2 hours.