The average bus between Smithtown and Port Jefferson takes 1h 40m and the fastest bus takes 57 min. There is an hourly bus service from Smithtown to Port Jefferson. 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 Smithtown and Port Jefferson. The earliest departure is at 6:29 AM in the morning, and the last departure from Smithtown is at 10:29 PM which arrives into Port Jefferson at 6:24 AM. All services require a transfer, and take on average 1h 40m. The schedules shown below are for the next available departures.

1h 30m • 1 change

1h 30m • 1 change

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1h 25m • 1 change

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1h 25m • 1 change

1h 25m • 1 change

1h 25m • 1 change

1h 25m • 1 change
Want to know about travelling from Smithtown to Port Jefferson? 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 Smithtown to Port Jefferson. However, there are services departing from Smithtown station and arriving at Port Jefferson station via Smith Haven Mall. The journey, including transfers, takes approximately 1h 40m.
Smithtown to Port Jefferson bus services, operated by Suffolk County Transit, depart from W Main St/New York Ave station.
Smithtown to Port Jefferson bus services, operated by Suffolk County Transit, arrive at NYS 25A/E Broadway station.
The distance between Smithtown and Port Jefferson is 15 km. The road distance is 23 km.
You can take a bus from W Main St/New York Ave to NYS 25A/E Broadway via Smith Haven Mall in around 1h 23m.