The average bus between West Islip and Riverhead takes 2h 34m and the fastest bus takes 2h 13m. There is an hourly bus service from West Islip to Riverhead. 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 West Islip and Riverhead. The earliest departure is at 5:32 AM in the morning, and the last departure from West Islip is at 10:33 PM which arrives into Riverhead at 6:20 AM. All services require a transfer, and take on average 2h 34m. The schedules shown below are for the next available departures.

2h 20m • 1 change

2h 20m • 1 change
Arrives next day

9h 12m • 1 change

2h 13m • 1 change

2h 13m • 1 change

2h 13m • 1 change

2h 13m • 1 change

2h 18m • 1 change

2h 18m • 1 change

2h 18m • 1 change

2h 18m • 1 change
Want to know about travelling from West Islip to Riverhead? 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 West Islip to Riverhead. However, there are services departing from West Islip station and arriving at Riverhead station via Patchogue LIRR. The journey, including transfers, takes approximately 2h 34m.
West Islip to Riverhead bus services, operated by Suffolk County Transit, depart from Montauk Hwy/Eaton Ln station.
West Islip to Riverhead bus services, operated by Suffolk County Transit, arrive at Riverhead LIRR station.
The distance between West Islip and Riverhead is 59.1 km. The road distance is 90 km.
You can take a bus from Montauk Hwy/Eaton Ln to Riverhead LIRR via Patchogue LIRR in around 2h 30m.