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721 Castlebar - Dublin Airport

A bus service operated by Citylink

Timetable
Map
Vehicles

To Batchelors Walk or Dublin Airport T1

Castlebar	00:45	04:00	07:55	10:50	12:50	14:40	16:50	18:50
Claremorris	01:15p	04:30p	08:30p	11:25p	13:25p	15:15p	17:25p	19:25p
Tuam Holy Cross College	01:45p	05:00p	08:55p	11:50p	13:50p	15:40p	17:50p	19:50p
Athlone TUS East Campus	02:45	06:00	09:55	12:50	14:50	16:40	18:50	20:50
Dublin Bachelors Walk			11:25s	14:20s	16:20	18:10s	20:20s	22:20s
Dublin Airport Zone 15	04:15	07:30	11:45	14:45		18:45	20:45	22:45

Times marked s – “set down only” – the bus will only stop to drop passengers off

Times marked p – “pick up only” – the bus will only stop to pick up passengers

To Castlebar

Dublin Airport Zone 11	07:00	11:00	12:30	14:30	17:00		20:00	23:45
Temple Bar Crampton Quay	07:30p	11:30p	13:00p	15:00p	17:30p	18:30	20:30p	00:15p
Athlone TUS East Campus	09:00	13:00	14:30	16:30	19:00	20:00	22:00	01:45
Tuam Holy Cross College	10:00s	14:00s	15:30s	17:30s	20:00s	21:00s	23:00s	02:45s
Claremorris	10:30s	14:30s	16:00s	18:00s	20:30s	21:30s	23:30s	03:15s
Castlebar	11:00	15:00	16:30	18:30	21:00	22:00	00:00	03:45

Times marked s – “set down only” – the bus will only stop to drop passengers off

Times marked p – “pick up only” – the bus will only stop to pick up passengers

Timetable data from National Transport Authority, 25 October 2025

Citylink

Website: citylink.ie
Twitter: @citylinkireland