100X Dublin to Dundalk via Swords, Drogheda
Operated by Bus Éireann. First bus 03:30, last bus 23:43. 38 journeys on weekdays. Fares: TFI zonal, cheaper with a Leap Card — more.
Night bus — overnight departures 22:05–06:58. Every night. Nights are the night you set out on, so a 01:30 bus on Saturday morning counts as Friday. All night buses.
Wanted a different 100X? 1 other bus route is numbered 100X elsewhere in the UK — see every 100X bus timetable by area.
| Stop | 05:44 | 06:44 | 07:41 | 08:40 | 09:40 | 10:40 | 11:41 | 12:41 | 13:40 | 14:40 | 15:41 | 16:39 | 17:39 | 18:40 | 19:41 | 20:43 | 21:43 | 22:44 | 23:43 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Holles Street | 05:44 | 06:44 | 07:41 | 08:40 | 09:40 | 10:40 | 11:41 | 12:41 | 13:40 | 14:40 | 15:41 | 16:39 | 17:39 | 18:40 | 19:41 | 20:43 | 21:43 | 22:44 | 23:43 |
| Clare Street | 05:46 | 06:46 | 07:43 | 08:43 | 09:43 | 10:43 | 11:44 | 12:44 | 13:43 | 14:43 | 15:44 | 16:43 | 17:43 | 18:43 | 19:44 | 20:45 | 21:45 | 22:46 | 23:45 |
| Westland Row | 05:47 | 06:47 | 07:45 | 08:45 | 09:45 | 10:45 | 11:46 | 12:46 | 13:45 | 14:45 | 15:46 | 16:45 | 17:45 | 18:45 | 19:46 | 20:46 | 21:46 | 22:47 | 23:46 |
| Custom Hse Quay | 05:50 | 06:50 | 07:50 | 08:50 | 09:50 | 10:50 | 11:50 | 12:50 | 13:50 | 14:50 | 15:50 | 16:50 | 17:50 | 18:50 | 19:50 | 20:50 | 21:50 | 22:50 | 23:50 |
| S O'Casey Br | 05:51 | 06:51 | 07:51 | 08:51 | 09:51 | 10:51 | 11:51 | 12:51 | 13:51 | 14:51 | 15:51 | 16:51 | 17:51 | 18:51 | 19:51 | 20:51 | 21:51 | 22:51 | 23:51 |
| N Wall Quay | 05:56 | 06:56 | 07:56 | 08:57 | 09:57 | 10:57 | 11:57 | 12:57 | 13:57 | 14:57 | 15:57 | 16:57 | 17:57 | 18:57 | 19:57 | 20:56 | 21:56 | 22:56 | 23:56 |
| 3Arena | 05:58 | 06:58 | 07:59 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:59 | 21:59 | 22:59 | 23:59 |
| Airport Zone 13 | 06:16 | 07:16 | 08:17 | 09:20 | 10:20 | 11:20 | 12:20 | 13:20 | 14:20 | 15:20 | 16:20 | 17:20 | 18:20 | 19:20 | 20:20 | 21:20 | 22:20 | 23:19 | 00:20 |
| Cedarfield | 06:45 | 07:45 | 08:46 | 09:49 | 10:49 | 11:49 | 12:50 | 13:50 | 14:50 | 15:50 | 16:50 | 17:50 | 18:50 | 19:50 | 20:50 | 21:50 | 22:50 | 23:49 | 00:50 |
| Drogheda Bus | 06:48 | 07:48 | 08:49 | 09:55 | 10:55 | 11:55 | 12:55 | 13:55 | 14:55 | 15:55 | 16:55 | 17:55 | 18:55 | 19:55 | 20:55 | 21:55 | 22:55 | 23:54 | 00:55 |
| Cedarfield | 06:52 | 07:52 | 08:53 | 09:59 | 10:59 | 11:59 | 12:59 | 13:59 | 14:59 | 15:59 | 16:59 | · | · | · | · | · | · | · | · |
| Melifont Pk | · | · | · | · | · | · | · | · | · | · | · | 17:58 | 18:58 | 19:58 | 20:58 | 21:58 | 22:58 | · | 00:58 |
| Dunleer | · | · | · | · | · | · | · | · | · | · | · | 18:13 | 19:13 | 20:12 | 21:11 | 22:11 | 23:11 | · | 01:11 |
| Castlebellingham | · | · | · | · | · | · | · | · | · | · | · | 18:23 | 19:23 | 20:22 | 21:21 | 22:21 | 23:21 | · | 01:21 |
| Dundalk IT | 07:21 | 08:21 | 09:18 | 10:24 | 11:24 | 12:24 | 13:24 | 14:25 | 15:25 | 16:25 | 17:25 | 18:33 | 19:33 | 20:32 | 21:31 | 22:30 | 23:30 | 00:25 | 01:30 |
| Louth County Hospl | 07:24 | 08:24 | 09:19 | 10:25 | 11:25 | 12:25 | 13:25 | 14:26 | 15:26 | 16:26 | 17:26 | 18:35 | 19:35 | 20:33 | 21:32 | 22:31 | 23:31 | 00:26 | 01:31 |
| Stapleton Place | 07:28 | 08:28 | 09:22 | 10:28 | 11:28 | 12:28 | 13:28 | 14:29 | 15:29 | 16:29 | 17:29 | 18:38 | 19:38 | 20:35 | 21:34 | 22:33 | 23:33 | 00:28 | 01:33 |
| Dundalk Bus Stn | 07:33 | 08:33 | 09:27 | 10:33 | 11:33 | 12:33 | 13:33 | 14:34 | 15:34 | 16:34 | 17:34 | 18:44 | 19:44 | 20:40 | 21:40 | 22:38 | 23:38 | 00:33 | 01:38 |
Each column is one journey, headed by the time it sets off. A · means that journey does not stop there. Times are shown at the route's main timing stops — buses serve all stops in between. Switch a table to All stops for every stop it calls at, or open a stop's own page for live departures there.
Christmas & bank holidays
These dates are not the usual timetable for the day they fall on. They come from the operator’s published data, which for Christmas and New Year is often late or incomplete, so check with Bus Éireann before you travel. Everything above is an ordinary week.
Not published yet: Christmas Day. Operators often publish festive timetables only a few weeks ahead, so check again nearer the date.
- Boxing Day — Saturday, 26 December 2026 towards Dundalk: 19 journeys, first 05:43 towards Dublin: 19 journeys, first 03:30
- New Year's Day — Friday, 1 January 2027 The operator’s data shows its ordinary Friday timetable for this date, which usually means its New Year's Day times have not been published yet. Check with Bus Éireann before you travel.
Route map
All stops on route 100X
100X towards Dundalk
All 18 stops
- Holles Street Dublin
- Clare Street Dublin
- Westland Row Dublin
- Custom Hse Quay Dublin
- S O'Casey Br Dublin
- N Wall Quay Dublin
- 3Arena Dublin
- Airport Zone 13 Swords
- Cedarfield Drogheda
- Drogheda Bus Drogheda
- Cedarfield Drogheda
- Melifont Pk Drogheda
- Dunleer
- Castlebellingham
- Dundalk IT Dundalk
- Louth County Hospl Dundalk
- Stapleton Place Dundalk
- Dundalk Bus Stn Dundalk
100X towards Dublin
All 18 stops
- Dundalk Bus Stn Dundalk
- Stapleton Place Dundalk
- Louth County Hospl Dundalk
- Dundalk IT Dundalk
- Cedarfield Drogheda
- Castlebellingham
- Dunleer
- Melifont Pk Drogheda
- Drogheda Bus Drogheda
- Cedarfield Drogheda
- Terminal 2 Zone 19 Swords
- Aircraft Hangars Swords
- N Wall Quay Dublin
- Convention Centre Dublin
- S O'Casey Br Dublin
- Westland Row Church Dublin
- Merrion Sq West Dublin
- Merrion Sq South Dublin
Towns & areas on this route
Frequently asked questions
What time is the first 100X bus?
The first 100X departure on weekdays leaves at 03:30 (check the full timetable below for your stop, as times vary along the route — weekend times can differ).
What time is the last 100X bus?
The last 100X on weekdays leaves its first stop at 23:43. Always check the timetable for your specific stop — later stops are reached after this time.
How much does the 100X bus cost?
Fares on the 100X 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 100X bus?
The 100X is operated by Bus Éireann.
Timetable data from Bus Éireann via Ireland's National Transport Authority. Check before you travel — services can change at short notice.