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L27

Dublin · bus timetable

Bus L27 Dun Laoghaire Stn - Leopardstown Valley

Bus Regular line Operator: Go-Ahead Ireland Delayed

Line L27 goes from Dun Laoghaire Stn to Leopardstown Valley; departures on weekdays run from 05:45 until 23:15, every ~30 min.

  • Headway~30 min
  • First departure05:45
  • Last departure23:15
  • Average ride~44 min
  • Stops33
  • Departures per day36
  • Route length12.9 km
  • Peak~53 min
  • Off-peak~32 min
  • Saturday33 departures
  • Sunday30 departures

Bus of Dublin public transport — connects Dun Laoghaire Stn and Leopardstown Valley, with 33 stops per direction.The first departure is at 05:45, the last at 23:15.Departures run every ~30 min, and the ride takes ~44 min on average.

Single ticket: €2.00

Source: National Transport Authority (Transport for Ireland) GTFS, version 924629DB-7A2F-4D39-B0EE-92FDCF6D0D0A, valid until 10 November 2027.

Timetable

First

05:45

Last

23:15

Departures

36

Line L27 timetable — on weekdays
05 45
06 1545
07 1545
08 1545
09 1545
Line L27 timetable — on Saturdays
05 45
06 45
07 45
08 45
09 1545
Line L27 timetable — on Sundays and holidays
06 40
07 45
08 45
09 45
10 1545
Valid from10.11.2026.
Changed26.09.2026.
Checked11.11.2026.

Stops

33 stops~44 min in total
  1. 111E2L25S8departure0min
  2. 77A45A45BE2L25+2+2 min2min
  3. 77A7EE2L25S8+2 min4min
  4. 111E2L25+2 min6min
  5. 111E2L25+0 min6min
  6. 111E2L25+1 min7min
  7. 111E2L25+1 min8min
  8. 111E2+1 min9min
  9. Oliver Plunkett Rd

    #2047

    +2 min11min
  10. St Patrick's Cres

    #2048

    +1 min12min
  11. Oliver Plunkett Ave

    #2049

    +1 min13min
  12. Monkstown Avenue

    #2050

    +1 min14min
  13. 4L25+1 min15min
  14. 7B7D+1 min16min
  15. 7B7D+1 min17min
  16. 7B7D+2 min19min
  17. Mackintosh Park

    #7636

    +2 min21min
  18. Amgen

    #7651

    +1 min22min
  19. Cabinteely Court

    #7635

    +1 min23min
  20. Saint Gabriels

    #3254

    +3 min26min
  21. St Brigid's Church

    #3149

    +2 min28min
  22. Cabinteely Park

    #3150

    +1 min29min
  23. Glen Estate

    #3151

    +1 min30min
  24. L2646n+1 min31min
  25. L2646n+1 min32min
  26. L2646n+1 min33min
  27. L2646n+1 min34min
  28. L2646n+2 min36min
  29. L2646n+1 min37min
  30. Ballyogan Luas

    #5106

    46n+3 min40min
  31. Ballyogan Ct

    #8294

    +1 min41min
  32. Ballyogan Ave

    #8295

    +1 min42min
  33. Leopardstown Valley

    #4775

    +2 min44min

Lines on the same route

Other Dublin lines that share stops with line L27.

Frequently asked questions

When are the first and last departures of line L27?

On weekdays the first departure from Dun Laoghaire Stn is at 05:45 and the last at 23:15. There are 36 departures in total.

Does line L27 run on weekends?

Yes — on Saturday from 05:45 to 23:15 and on Sunday from 06:40 to 22:45.

Does line L27 run on Sundays?

Yes. On Sundays line L27 has 30 departures from Dun Laoghaire Stn, the first at 06:40 and the last at 22:45.

How often does line L27 run?

Departures run about every 30 minutes (median headway between 06:00 and 21:00 on weekdays). It is denser at peak and sparser in the evening and at weekends.

How long is the ride on line L27?

The whole ride takes about 44 minutes on average — from about 32 minutes off-peak to about 53 minutes at peak.

How many stops does line L27 have?

In the Dun Laoghaire Stn → Leopardstown Valley direction, line L27 has 33 stops.

How long is the route of line L27?

The route in this direction is about 12.9 km long.