The average bus between Navan and Castleknock takes 47 min and the fastest bus takes 38 min. The bus runs at least 2 times per hour from Navan to Castleknock. 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 30 minutes between Navan and Castleknock. The earliest departure is at 12:11 AM at night, and the last departure from Navan is at 11:41 PM which arrives into Castleknock at 12:23 AM. All services require a transfer at Blanchardstown N3 and take an average of 47 min. The schedules shown below are for the next available departures.

42 min • 1 change

42 min • 1 change

42 min • 1 change
Arrives next day

42 min • 1 change

40 min • 1 change

40 min • 1 change

45 min • 1 change

47 min • 1 change
Want to know about travelling from Navan to Castleknock? 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 Navan to Castleknock. However, there are services departing from Navan station and arriving at Castleknock station via Blanchardstown N3. The journey, including transfers, takes approximately 47 min.
Navan to Castleknock bus services, operated by Bus Éireann, depart from Bóthar Sion station.
Navan to Castleknock bus services, operated by Bus Éireann, arrive at Morgan Place station.
The distance between Navan and Castleknock is 37.6 km. The road distance is 40 km.
You can take a bus from Bóthar Sion to Morgan Place via Blanchardstown N3 and Blanchardstown SC in around 53 min.