The average bus between Islip and Ronkonkoma takes 1h 22m and the fastest bus takes 1h 1m. There is a bus service every few hours from Islip to Ronkonkoma. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Islip and Ronkonkoma. The earliest departure is at 5:56 AM in the morning, and the last departure from Islip is at 10:55 PM which arrives into Ronkonkoma at 5:29 AM. All services require a transfer, and take on average 1h 22m. The schedules shown below are for the next available departures.

1h 7m • 1 change

1h 7m • 1 change
Arrives next day

8h 8m • 1 change

1h 6m • 1 change

1h 6m • 1 change

1h 6m • 1 change

1h 6m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change

1h 3m • 1 change
Want to know about travelling from Islip to Ronkonkoma? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Islip to Ronkonkoma. However, there are services departing from Islip station and arriving at Ronkonkoma station via Patchogue LIRR. The journey, including transfers, takes approximately 1h 22m.
Islip to Ronkonkoma bus services, operated by Suffolk County Transit, depart from Islip Town Hall station.
Islip to Ronkonkoma bus services, operated by Suffolk County Transit, arrive at Hawkins Ave/Thorne St station.
The distance between Islip and Ronkonkoma is 12.6 km. The road distance is 39 km.
You can take a bus from Islip Town Hall to Hawkins Ave/Thorne St via Patchogue LIRR in around 1h 25m.