The average bus between Stony Brook and Southold takes 3h 27m and the fastest bus takes 2h 31m. There is a bus service every few hours from Stony Brook to Southold. 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 Southold. The earliest departure is at 6:11 AM in the morning, and the last departure from Stony Brook is at 10:49 PM which arrives into Southold at 8:36 AM. All services require a transfer at Port Jefferson LIRR and take an average of 3h 27m. The schedules shown below are for the next available departures.


2h 33m • 2 changes


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2h 41m • 2 changes


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2h 33m • 2 changes


2h 41m • 2 changes


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2h 41m • 2 changes
Want to know about travelling from Stony Brook to Southold? 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 Southold. However, there are services departing from Stony Brook station and arriving at Southold station via Riverhead LIRR. The journey, including transfers, takes approximately 3h 27m.
Stony Brook to Southold bus services, operated by Suffolk County Transit, depart from Port Jefferson LIRR station.
Stony Brook to Southold bus services, operated by Suffolk County Transit, arrive at NYS 25/Youngs Ave station.
The distance between Stony Brook and Southold is 61.9 km. The road distance is 81 km.
You can take a bus from Stony Brook LIRR to NYS 25/Youngs Ave via Port Jefferson LIRR and Riverhead LIRR in around 3h 19m.