The average bus between Comber and Portstewart takes 3h 40m and the fastest bus takes 2h 59m. The bus service runs several times per day from Comber to Portstewart. 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 every 3 hours between Comber and Portstewart. The earliest departure is at 6:52 AM in the morning, and the last departure from Comber is at 6:27 PM which arrives into Portstewart at 10:33 PM. All services require a transfer at Laganside Bus Station and take an average of 3h 40m. The schedules shown below are for the next available departures.


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Want to know about travelling from Comber to Portstewart? 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 Comber to Portstewart. However, there are services departing from Comber station and arriving at Portstewart station via Laganside Bus Station station. The journey, including transfers, takes approximately 3h 40m.
Comber to Portstewart bus services, operated by Translink, depart from Killinchy Street station.
Comber to Portstewart bus services, operated by Translink, arrive at Coleraine Buscentre station.
The distance between Comber and Portstewart is 94 km. The road distance is 118 km.
You can take a bus from Killinchy Street to Portstewart Promenade via Laganside Bus Station and Coleraine Buscentre in around 3h 57m.