L27 Dun Laoghaire ↔ Leopardstown Valley

Operated by Go-Ahead Ireland. First bus 05:45, last bus 23:30. 72 journeys on weekdays.

💷 Fares on the L27 are set under the National Transport Authority's fare structure. Paying with a TFI Leap Card is significantly cheaper than cash, with daily and weekly caps on most city services. Who travels free →

Timetable

Times are shown at the route's main timing stops — buses serve all stops in between. For times at your exact stop, open the stop's own page.

towards Leopardstown Valley · Monday to Friday towards Leopardstown Valley · Saturday towards Leopardstown Valley · Sunday towards Dun Laoghaire · Monday to Friday towards Dun Laoghaire · Saturday towards Dun Laoghaire · Sunday

L27 towards Leopardstown Valley — Monday to Friday (36 journeys)
Dun Laoghaire Stn	05:45	06:15	06:45	07:15	07:45	08:15	08:45	09:15	09:45	10:15	10:45	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:15	15:45	16:15	16:45	17:15	17:45	18:15	18:45	19:15	19:45	20:15	20:45	21:15	21:45	22:15	22:45	23:15
Tivoli Terrace Sth	05:51	06:21	06:53	07:23	07:53	08:23	08:53	09:23	09:53	10:23	10:53	11:23	11:54	12:24	12:54	13:24	13:54	14:24	14:54	15:24	15:55	16:25	16:55	17:24	17:54	18:25	18:54	19:24	19:54	20:23	20:53	21:22	21:52	22:22	22:52	23:20
Oliver Plunkett Ave	05:56	06:26	06:58	07:28	07:58	08:27	08:57	09:28	09:58	10:28	10:58	11:28	11:59	12:29	12:59	13:29	13:59	14:29	14:59	15:29	16:00	16:30	17:00	17:29	17:59	18:30	18:59	19:29	19:59	20:28	20:58	21:27	21:57	22:27	22:57	23:25
Mackintosh Park	06:02	06:32	07:04	07:37	08:06	08:35	09:04	09:36	10:06	10:36	11:06	11:36	12:07	12:37	13:07	13:37	14:07	14:37	15:07	15:37	16:09	16:39	17:09	17:38	18:08	18:38	19:05	19:35	20:05	20:34	21:04	21:33	22:03	22:32	23:02	23:30
Cornelscourt SC	06:10	06:40	07:14	07:49	08:20	08:47	09:16	09:45	10:15	10:45	11:15	11:45	12:18	12:48	13:18	13:48	14:18	14:50	15:20	15:50	16:21	16:51	17:21	17:49	18:17	18:48	19:16	19:46	20:16	20:42	21:12	21:40	22:10	22:39	23:09	23:37
Glenamuck Rd North	06:14	06:44	07:19	07:55	08:25	08:51	09:20	09:50	10:20	10:50	11:20	11:50	12:23	12:53	13:23	13:53	14:23	14:55	15:25	15:55	16:26	16:56	17:26	17:54	18:22	18:53	19:20	19:50	20:20	20:46	21:16	21:44	22:14	22:43	23:13	23:41
Leopardstown Valley	06:22	06:52	07:28	08:06	08:36	09:01	09:28	09:58	10:28	10:58	11:28	11:58	12:32	13:02	13:32	14:02	14:32	15:06	15:36	16:06	16:38	17:08	17:38	18:05	18:32	19:02	19:28	19:58	20:28	20:54	21:24	21:52	22:22	22:50	23:20	23:47

L27 towards Leopardstown Valley — Saturday (33 journeys)
Dun Laoghaire Stn	05:45	06:45	07:45	08:45	09:15	09:45	10:15	10:45	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:15	15:45	16:15	16:45	17:15	17:45	18:15	18:45	19:15	19:45	20:15	20:45	21:15	21:45	22:15	22:45	23:15
Tivoli Terrace Sth	05:50	06:50	07:52	08:54	09:24	09:54	10:24	10:54	11:23	11:53	12:23	12:53	13:23	13:53	14:23	14:53	15:23	15:53	16:23	16:53	17:23	17:53	18:23	18:53	19:23	19:53	20:23	20:52	21:22	21:52	22:22	22:52	23:21
Oliver Plunkett Ave	05:55	06:55	07:57	08:59	09:29	09:59	10:29	10:59	11:28	11:58	12:28	12:58	13:28	13:58	14:28	14:58	15:28	15:58	16:28	16:58	17:28	17:58	18:28	18:58	19:28	19:58	20:28	20:57	21:27	21:57	22:27	22:57	23:26
Mackintosh Park	06:00	07:00	08:03	09:05	09:35	10:05	10:36	11:06	11:35	12:05	12:35	13:05	13:35	14:05	14:35	15:05	15:35	16:05	16:35	17:05	17:35	18:05	18:33	19:03	19:33	20:03	20:33	21:02	21:33	22:03	22:32	23:02	23:31
Cornelscourt SC	06:07	07:07	08:11	09:13	09:43	10:13	10:46	11:16	11:48	12:18	12:48	13:18	13:47	14:17	14:47	15:17	15:47	16:17	16:47	17:17	17:47	18:17	18:42	19:12	19:42	20:12	20:42	21:11	21:41	22:11	22:39	23:09	23:36
Glenamuck Rd North	06:12	07:12	08:15	09:17	09:47	10:17	10:51	11:21	11:53	12:23	12:53	13:23	13:51	14:21	14:51	15:21	15:51	16:21	16:51	17:21	17:51	18:21	18:47	19:17	19:47	20:17	20:47	21:16	21:45	22:15	22:43	23:13	23:40
Leopardstown Valley	06:20	07:20	08:22	09:25	09:55	10:25	11:00	11:30	12:03	12:33	13:03	13:33	14:01	14:31	15:01	15:31	16:01	16:31	17:01	17:31	18:01	18:31	18:56	19:26	19:56	20:26	20:56	21:23	21:52	22:22	22:50	23:20	23:47

L27 towards Leopardstown Valley — Sunday (30 journeys)
Dun Laoghaire Stn	06:40	07:45	08:45	09:45	10:15	10:45	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:15	15:45	16:15	16:45	17:15	17:45	18:15	18:45	19:15	19:45	20:15	20:45	21:15	21:45	22:15	22:45
Tivoli Terrace Sth	06:46	07:51	08:51	09:51	10:21	10:52	11:24	11:54	12:24	12:54	13:26	13:54	14:24	14:54	15:24	15:54	16:24	16:54	17:24	17:54	18:24	18:54	19:24	19:53	20:23	20:53	21:23	21:51	22:21	22:51
Oliver Plunkett Ave	06:51	07:56	08:56	09:56	10:26	10:57	11:29	11:59	12:29	12:59	13:31	13:59	14:29	14:59	15:29	15:59	16:29	16:59	17:29	17:59	18:29	18:59	19:29	19:58	20:28	20:58	21:28	21:55	22:25	22:55
Mackintosh Park	06:57	08:02	09:02	10:02	10:32	11:03	11:35	12:05	12:35	13:06	13:38	14:06	14:36	15:06	15:36	16:06	16:36	17:06	17:36	18:06	18:36	19:06	19:36	20:02	20:32	21:02	21:32	21:59	22:29	22:59
Cornelscourt SC	07:05	08:10	09:10	10:11	10:41	11:12	11:44	12:14	12:44	13:16	13:48	14:16	14:46	15:16	15:46	16:16	16:46	17:16	17:46	18:16	18:44	19:14	19:44	20:10	20:40	21:10	21:40	22:06	22:36	23:06
Glenamuck Rd North	07:09	08:14	09:14	10:15	10:45	11:15	11:49	12:19	12:49	13:21	13:53	14:21	14:51	15:21	15:51	16:21	16:51	17:21	17:51	18:21	18:49	19:19	19:49	20:14	20:44	21:14	21:44	22:10	22:40	23:10
Leopardstown Valley	07:15	08:20	09:20	10:23	10:53	11:24	11:58	12:28	12:58	13:31	14:03	14:31	15:01	15:31	16:01	16:31	17:01	17:31	18:01	18:31	18:58	19:28	19:58	20:22	20:52	21:22	21:52	22:17	22:47	23:17

L27 towards Dun Laoghaire — Monday to Friday (36 journeys)
Leopardstown Valley	06:00	06:30	07:00	07:30	08:00	08:30	09:00	09:30	10:00	10:30	11:00	11:30	12:00	12:30	13:00	13:30	14:00	14:30	15:00	15:30	16:00	16:30	17:00	17:30	18:00	18:30	19:00	19:30	20:00	20:30	21:00	21:30	22:00	22:30	23:00	23:30
Brennanstown Road	06:07	06:37	07:09	07:41	08:11	08:46	09:10	09:40	10:08	10:38	11:09	11:39	12:09	12:39	13:09	13:39	14:09	14:39	15:10	15:40	16:10	16:40	17:10	17:40	18:10	18:38	19:08	19:38	20:10	20:40	21:10	21:37	22:07	22:37	23:07	23:37
Cornelscourt SC	06:11	06:41	07:15	07:47	08:17	08:52	09:16	09:46	10:14	10:44	11:15	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:16	15:46	16:16	16:46	17:16	17:46	18:16	18:44	19:14	19:44	20:16	20:46	21:16	21:43	22:13	22:42	23:12	23:42
Mackinstosh Park	06:18	06:48	07:24	08:00	08:30	09:02	09:23	09:53	10:22	10:52	11:23	11:53	12:23	12:53	13:23	13:53	14:23	14:53	15:26	15:56	16:26	16:54	17:26	17:54	18:24	18:52	19:22	19:52	20:22	20:52	21:22	21:49	22:19	22:48	23:18	23:48
Oliver Plunkett Ave	06:26	06:56	07:33	08:13	08:43	09:12	09:32	10:02	10:30	11:00	11:31	12:01	12:31	13:01	13:31	14:01	14:31	15:01	15:37	16:07	16:37	17:05	17:37	18:02	18:32	19:00	19:30	20:00	20:29	20:59	21:29	21:56	22:26	22:54	23:24	23:54
York Road	06:30	07:00	07:37	08:19	08:49	09:18	09:36	10:06	10:36	11:06	11:36	12:06	12:36	13:06	13:36	14:06	14:36	15:06	15:44	16:14	16:44	17:12	17:44	18:09	18:39	19:06	19:36	20:06	20:34	21:04	21:34	22:01	22:31	22:58	23:28	23:58
Dun Laoghaire Stn	06:35	07:05	07:42	08:28	08:58	09:26	09:45	10:15	10:42	11:12	11:45	12:15	12:45	13:15	13:45	14:15	14:45	15:15	15:51	16:21	16:51	17:19	17:51	18:17	18:47	19:12	19:42	20:12	20:39	21:09	21:39	22:05	22:35	23:02	23:32	00:02

L27 towards Dun Laoghaire — Saturday (33 journeys)
Leopardstown Valley	05:55	06:55	07:55	08:55	09:25	09:55	10:25	10:55	11:25	11:55	12:25	12:55	13:25	13:55	14:25	14:55	15:25	15:55	16:25	16:55	17:25	17:55	18:25	18:55	19:25	19:55	20:25	20:55	21:25	21:55	22:25	22:55	23:25
Brennanstown Road	06:01	07:01	08:02	09:02	09:33	10:03	10:33	11:02	11:33	12:03	12:33	13:03	13:33	14:03	14:33	15:03	15:33	16:04	16:34	17:04	17:34	18:04	18:34	19:04	19:33	20:03	20:33	21:03	21:32	22:02	22:32	23:02	23:32
Cornelscourt SC	06:05	07:05	08:08	09:08	09:39	10:09	10:39	11:08	11:39	12:09	12:39	13:09	13:39	14:09	14:39	15:09	15:39	16:09	16:39	17:09	17:39	18:09	18:39	19:09	19:39	20:09	20:39	21:09	21:35	22:05	22:35	23:05	23:35
Mackinstosh Park	06:12	07:12	08:16	09:16	09:46	10:16	10:46	11:16	11:47	12:17	12:47	13:17	13:47	14:17	14:47	15:17	15:47	16:17	16:47	17:17	17:47	18:17	18:47	19:17	19:45	20:15	20:45	21:15	21:42	22:12	22:42	23:12	23:41
Oliver Plunkett Ave	06:18	07:18	08:22	09:22	09:53	10:23	10:53	11:24	11:57	12:27	12:57	13:27	13:57	14:27	14:57	15:27	15:57	16:24	16:54	17:24	17:54	18:24	18:54	19:24	19:51	20:21	20:51	21:21	21:49	22:19	22:49	23:19	23:48
York Road	06:22	07:22	08:26	09:26	09:59	10:29	10:59	11:30	12:04	12:34	13:04	13:34	14:04	14:34	15:04	15:34	16:04	16:29	16:59	17:29	17:59	18:29	18:59	19:29	19:55	20:25	20:55	21:25	21:53	22:23	22:53	23:23	23:52
Dun Laoghaire Stn	06:26	07:26	08:30	09:30	10:04	10:34	11:04	11:35	12:10	12:40	13:10	13:40	14:10	14:40	15:10	15:40	16:10	16:35	17:05	17:35	18:05	18:35	19:05	19:35	20:00	20:30	21:00	21:30	21:57	22:27	22:57	23:27	23:56

L27 towards Dun Laoghaire — Sunday (30 journeys)
Leopardstown Valley	06:55	07:55	08:55	09:55	10:25	10:55	11:25	11:55	12:25	12:55	13:25	13:55	14:25	14:55	15:25	15:55	16:25	16:55	17:25	17:55	18:25	18:55	19:25	19:55	20:25	20:55	21:25	21:55	22:25	22:55
Brennanstown Road	07:01	08:01	09:02	10:02	10:32	11:02	11:33	12:04	12:34	13:04	13:34	14:04	14:34	15:04	15:34	16:04	16:34	17:04	17:34	18:04	18:34	19:04	19:34	20:04	20:34	21:04	21:31	22:01	22:31	23:01
Cornelscourt SC	07:05	08:05	09:08	10:08	10:38	11:08	11:39	12:10	12:40	13:10	13:40	14:10	14:40	15:10	15:40	16:10	16:40	17:10	17:40	18:10	18:40	19:09	19:39	20:09	20:39	21:09	21:36	22:06	22:36	23:06
Mackinstosh Park	07:12	08:12	09:15	10:15	10:45	11:16	11:46	12:16	12:48	13:18	13:48	14:18	14:48	15:18	15:48	16:18	16:47	17:17	17:47	18:17	18:47	19:15	19:45	20:15	20:45	21:15	21:42	22:12	22:42	23:11
Oliver Plunkett Ave	07:18	08:19	09:22	10:22	10:52	11:23	11:54	12:23	12:56	13:26	13:56	14:26	14:56	15:26	15:56	16:26	16:54	17:24	17:54	18:24	18:54	19:22	19:52	20:22	20:52	21:22	21:49	22:19	22:49	23:18
York Road	07:22	08:23	09:26	10:26	10:56	11:28	11:59	12:27	13:02	13:32	14:02	14:32	15:02	15:32	16:02	16:32	17:00	17:30	18:00	18:30	19:00	19:26	19:56	20:26	20:56	21:26	21:53	22:23	22:53	23:22
Dun Laoghaire Stn	07:26	08:27	09:30	10:30	11:00	11:33	12:04	12:34	13:10	13:40	14:10	14:40	15:10	15:40	16:10	16:40	17:05	17:35	18:05	18:35	19:05	19:30	20:00	20:30	21:00	21:30	21:57	22:27	22:57	23:26

Route map

All stops on route L27

L27 towards Leopardstown Valley

L27 towards Dun Laoghaire

Towns & areas on this route

Dún Laoghaire

Frequently asked questions

What time is the first L27 bus?

The first L27 departure on weekdays leaves at 05:45 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).

What time is the last L27 bus?

The last L27 on weekdays leaves its first stop at 23:30. Always check the timetable for your specific stop — later stops are reached after this time.

How much does the L27 bus cost?

Fares on the L27 are set under the National Transport Authority's fare structure. Paying with a TFI Leap Card is significantly cheaper than cash, with daily and weekly caps on most city services.

Who runs the L27 bus?

The L27 is operated by Go-Ahead Ireland.

Timetable data from the operator via the DfT Bus Open Data Service. Check before you travel — services can change at short notice.

L27 Dun Laoghaire ↔ Leopardstown Valley ☆ Save