The average bus between Islip and Port Jefferson Station takes 1h 57m and the fastest bus takes 1h 19m. There is a bus service every few hours from Islip to Port Jefferson Station. 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 Port Jefferson Station. The earliest departure is at 6:26 AM in the morning, and the last departure from Islip is at 10:55 PM which arrives into Port Jefferson Station at 6:48 AM. All services require a transfer, and take on average 1h 57m. The schedules shown below are for the next available departures.

1h 19m • 1 change

1h 19m • 1 change

1h 20m • 1 change

1h 24m • 1 change

1h 19m • 1 change

1h 19m • 1 change

1h 20m • 1 change

1h 24m • 1 change

1h 56m • 1 change

1h 56m • 1 change

1h 56m • 1 change

1h 56m • 1 change
Want to know about travelling from Islip to Port Jefferson Station? 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 Port Jefferson Station. However, there are services departing from Islip station and arriving at Port Jefferson Station station via Patchogue LIRR. The journey, including transfers, takes approximately 1h 57m.
Islip to Port Jefferson Station bus services, operated by Suffolk County Transit, depart from Islip Town Hall station.
Islip to Port Jefferson Station bus services, operated by Suffolk County Transit, arrive at NYS 112/State St station.
The distance between Islip and Port Jefferson Station is 25.7 km. The road distance is 47 km.
You can take a bus from Islip Town Hall to NYS 112/State St via Patchogue LIRR in around 1h 59m.