The average bus between Ronkonkoma and Islip takes 1h 23m and the fastest bus takes 1h 5m. There is an hourly bus service from Ronkonkoma to Islip. 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 Ronkonkoma and Islip. The earliest departure is at 6:02 AM in the morning, and the last departure from Ronkonkoma is at 11:02 PM which arrives into Islip at 7:09 AM. All services require a transfer, and take on average 1h 23m. The schedules shown below are for the next available departures.

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1h 7m • 1 change

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1h 6m • 1 change

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Want to know about travelling from Ronkonkoma to Islip? 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 Ronkonkoma to Islip. However, there are services departing from Ronkonkoma station and arriving at Islip station via Patchogue LIRR. The journey, including transfers, takes approximately 1h 23m.
Ronkonkoma to Islip bus services, operated by Suffolk County Transit, depart from Hawkins Ave/Thorne St station.
Ronkonkoma to Islip bus services, operated by Suffolk County Transit, arrive at Islip Town Hall station.
The distance between Ronkonkoma and Islip is 12.6 km. The road distance is 33 km.
You can take a bus from Hawkins Ave/Thorne St to Islip Town Hall via Patchogue LIRR in around 1h 29m.