There are 5 ways to get from Belfast (Aldergrove) Airport (BFS) to Castleknock by bus, train, rideshare, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus, train
best- Take the bus from Belfast International Airport to Grand Central Bus Stand 10300a / ...
- Take the train from Belfast Grand Central to Dublin ConnollyIc / ...
4h 2m€32–46Bus
cheapest- Take the bus from Belfast International Airport to The Gresham Hotel705x
4h 7m€20–25Airport Transfer
- Take the rideshare from Belfast (Aldergrove)-BFS to Castleknock170.6 km
2hDrive 170.6 km
- Drive from Belfast (Aldergrove) Airport (BFS) to Castleknock170.6 km
2h€30–43Bus via Grand Central Bus Stand 11
- Take the bus from Grand Central Bus Stand 11 to Dublin Busaras Bus StationX1
5h 10m
Belfast (Aldergrove) Airport (BFS) to Castleknock by bus and train
Questions & Answers
The cheapest way to get from Belfast (Aldergrove) Airport (BFS) to Castleknock is to bus which costs €19 - €26 and takes 4h 7m.
The fastest way to get from Belfast (Aldergrove) Airport (BFS) to Castleknock is to drive which takes 2h and costs €29 - €45.
No, there is no direct bus from Belfast (Aldergrove) Airport (BFS) to Castleknock. However, there are services departing from Belfast International Airport and arriving at St Brigid's Church via Dublin, O'Connell Street Upper (The Gresham Hotel). The journey, including transfers, takes approximately 4h 7m.
The distance between Belfast (Aldergrove) Airport (BFS) and Castleknock is 222 km. The road distance is 170.6 km.
The best way to get from Belfast (Aldergrove) Airport (BFS) to Castleknock without a car is to bus and train which takes 4h 2m and costs €30 - €50.
It takes approximately 4h 2m to get from Belfast (Aldergrove) Airport (BFS) to Castleknock, including transfers.
Belfast (Aldergrove) Airport (BFS) to Castleknock bus services, operated by Aircoach, depart from Belfast International Airport station.
Belfast (Aldergrove) Airport (BFS) to Castleknock bus services, operated by Aircoach, arrive at The Gresham Hotel station.
Yes, the driving distance between Belfast (Aldergrove) Airport (BFS) to Castleknock is 171 km. It takes approximately 2h to drive from Belfast (Aldergrove) Airport (BFS) to Castleknock.
There are 1073+ hotels available in Castleknock.
What companies run services between Belfast (Aldergrove) Airport (BFS), Northern Ireland and Castleknock, Ireland?
Aircoach operates a bus from Belfast International Airport to The Gresham Hotel every 2 hours. Tickets cost €16–23 and the journey takes 3h 15m.
- Phone
- +353 1 836 6222
- info@irishrail.ie
- Website
- irishrail.ie
Train from Belfast Grand Central to Dublin Connolly
- Ave. Duration
- 2h 13m
- Frequency
- Hourly
- Estimated price
- €15–22
- Website
- https://www.irishrail.ie/en-ie/
- Flexible
- €15–22
- Phone
- +44 28 9066 6630
- Website
- translink.co.uk
Train from Belfast Grand Central to Dublin Connolly
- Ave. Duration
- 2h 13m
- Frequency
- Hourly
- Estimated price
- €19–28
- Website
- https://www.translink.co.uk/
- Phone
- +44 28 9066 6630
- Website
- translink.co.uk
Bus from Belfast International Airport to Grand Central Bus Stand 10
- Ave. Duration
- 45 min
- Frequency
- Every 15 minutes
- Estimated price
- €10–15
- Website
- https://www.translink.co.uk/
Bus from Grand Central Bus Stand 11 to Dublin Busaras Bus Station
- Ave. Duration
- 2h 45m
- Frequency
- Hourly
- Website
- https://www.translink.co.uk/
- Phone
- +353 0 1 844 7118
- info@aircoach.ie
- Website
- aircoach.ie
Bus from Belfast International Airport to The Gresham Hotel
- Ave. Duration
- 3h 15m
- Frequency
- Every 2 hours
- Estimated price
- €16–23
- Website
- https://www.aircoach.ie/
- Website
- mozio.com
Rideshare from Belfast (Aldergrove)-BFS to Castleknock
- Ave. Duration
- 2h
- Frequency
- On demand
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More Questions & Answers
Check out Blablacar's carpooling service for rideshare options between Belfast (Aldergrove) Airport (BFS) and Castleknock. A great option if you don't have a driver's licence or want to avoid public transport.














