The average bus between Ongar and Tallaght takes 1h 28m and the fastest bus takes 1h 1m. There is a bus service every few hours from Ongar to Tallaght. 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 Ongar and Tallaght. The earliest departure is at 12:03 AM at night, and the last departure from Ongar is at 11:03 PM which arrives into Tallaght at 12:07 AM. All services require a transfer, and take on average 1h 28m. The schedules shown below are for the next available departures.

1h 17m • 1 change

1h 25m • 1 change

1h 28m • 1 change

1h 8m • 1 change

6h 9m • 1 change

1h 9m • 1 change

1h 17m • 1 change

1h 25m • 1 change

6h 6m • 1 change

1h 23m • 1 change

1h 24m • 1 change

1h 12m • 1 change
Want to know about travelling from Ongar to Tallaght? 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 Ongar to Tallaght. However, there are services departing from Ongar station and arriving at Tallaght station via Tallaght Square. The journey, including transfers, takes approximately 1h 28m.
Ongar to Tallaght bus services, operated by J.J.Kavanagh & Sons, depart from Blanchardstown SC station.
Ongar to Tallaght bus services, operated by J.J.Kavanagh & Sons, arrive at Tallaght Square station.
The distance between Ongar and Tallaght is 12.9 km. The road distance is 26 km.
Go-Ahead Ireland operates a bus from Blanchardstown SC to Tallaght Square every 30 minutes. Tickets cost €3 and the journey takes 51 min.