The average bus between Southold and Port Jefferson takes 2h 36m and the fastest bus takes 1h 45m. There is a bus service every few hours from Southold 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 Southold and Port Jefferson. The earliest departure is at 5:10 AM in the morning, and the last departure from Southold is at 8:13 PM which arrives into Port Jefferson at 10:07 PM. All services require a transfer, and take on average 2h 36m. The schedules shown below are for the next available departures.

1h 57m • 1 change

2h 17m • 1 change

2h 50m • 1 change

2h 48m • 1 change

1h 57m • 1 change

2h 17m • 1 change

2h 50m • 1 change

2h 48m • 1 change

1h 57m • 1 change

2h 17m • 1 change

2h 50m • 1 change

2h 48m • 1 change
Want to know about travelling from Southold 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 Southold to Port Jefferson. However, there are services departing from Southold station and arriving at Port Jefferson station via Riverhead LIRR. The journey, including transfers, takes approximately 2h 36m.
Southold to Port Jefferson bus services, operated by Suffolk County Transit, depart from NYS 25/Youngs Ave station.
Southold to Port Jefferson bus services, operated by Suffolk County Transit, arrive at Mather Hospital station.
The distance between Southold and Port Jefferson is 55.5 km. The road distance is 71 km.
You can take a bus from NYS 25/Youngs Ave to Mather Hospital via Riverhead LIRR in around 2h 37m.