The average bus between Islip and Shirley takes 1h 18m and the fastest bus takes 1h. There is an hourly bus service from Islip to Shirley. 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 Shirley. The earliest departure is at 6:52 AM in the morning, and the last departure from Islip is at 10:55 PM which arrives into Shirley at 6:00 AM. All services require a transfer, and take on average 1h 18m. The schedules shown below are for the next available departures.

1h 7m • 1 change

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1h 6m • 1 change

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1h • 1 change

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1h • 1 change

1h • 1 change
Want to know about travelling from Islip to Shirley? 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 Shirley. However, there are services departing from Islip station and arriving at Shirley station via Patchogue LIRR. The journey, including transfers, takes approximately 1h 18m.
Islip to Shirley bus services, operated by Suffolk County Transit, depart from Islip Town Hall station.
Islip to Shirley bus services, operated by Suffolk County Transit, arrive at Montauk Hwy/Camp Upton Rd station.
The distance between Islip and Shirley is 29.9 km. The road distance is 37 km.
You can take a bus from Islip Town Hall to Montauk Hwy/Camp Upton Rd via Patchogue LIRR in around 1h 27m.