The average bus between Stony Brook and Islip takes 2h 8m and the fastest bus takes 1h 49m. There is an hourly bus service from Stony Brook 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 Stony Brook and Islip. The earliest departure is at 5:17 AM in the morning, and the last departure from Stony Brook is at 10:14 PM which arrives into Islip at 7:09 AM. All services require a transfer, and take on average 2h 8m. The schedules shown below are for the next available departures.

1h 57m • 1 change

1h 57m • 1 change

1h 57m • 1 change

1h 57m • 1 change

1h 55m • 1 change

1h 55m • 1 change

1h 55m • 1 change

1h 55m • 1 change

1h 51m • 1 change

1h 51m • 1 change

1h 51m • 1 change

1h 51m • 1 change
Want to know about travelling from Stony Brook 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 Stony Brook to Islip. However, there are services departing from Stony Brook station and arriving at Islip station via Patchogue LIRR. The journey, including transfers, takes approximately 2h 8m.
Stony Brook to Islip bus services, operated by Suffolk County Transit, depart from Stony Brook LIRR station.
Stony Brook to Islip bus services, operated by Suffolk County Transit, arrive at Islip Town Hall station.
The distance between Stony Brook and Islip is 22.5 km. The road distance is 51 km.
You can take a bus from Stony Brook LIRR to Islip Town Hall via Patchogue LIRR in around 2h 10m.