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18KİETT city bus line

18K bus: stops and timetable

Kadıköy – Sultanbeyli Peronlar

  • 31 stops
  • ~60 min end to end
  • weekdays 06:00–00:30
  • 70 trips

18K bus stops

The 18K is an İETT city bus line through Kadıköy, Ataşehir, Sultanbeyli. It has 31 stops between Kadıköy and Sultanbeyli Peronlar and takes about 75 minutes according to the planned timetable. İETT's trip records from the last 14 days (775 trips) show it usually takes 45–101 minutes (median 60; ~85 at weekday rush hour, ~47 at night).

Minutes are the planned time from the first stop: İETT's running time for the line, spread between stops by distance; it changes with traffic. A line badge marks a rail station within 300 m of the stop. Stop pages are in Turkish.

18K timetable: first and last bus, how often

Kadıköy → Sultanbeyli Peronlar
DayHoursEvery
Weekdays06:00–00:306–30 min
Saturday06:15–00:108–20 min
Sunday06:30–00:3018–30 min
Sultanbeyli Peronlar → Kadıköy
DayHoursEvery
Weekdays05:00–23:006–30 min
Saturday05:10–22:207–25 min
Sunday05:30–22:5016–30 min

Times are departures from the first stop. All departure times · PDF, in Turkish (350 KB)

18K bus route map: Kadıköy – Sultanbeyli Peronlar, 31 stops
The 18K route and its stops on the map (towards Sultanbeyli Peronlar). Labels on the image are in Turkish.

18K departure times

From Kadıköy · Weekdays

  • 06003040
  • 07000824324856
  • 08101628344652
  • 0904102228404658
  • 10042040
  • 110030
  • 121030
  • 1300204050
  • 141040
  • 15204048
  • 1604162228404652
  • 170410A162234A404658A
  • 181016223440
  • 19042050
  • 20123648
  • 2115
  • 220030
  • 231545
  • 0030

Marked departures from Kadıköy run a different route (İETT's note, in Turkish):

  • A Orman Yolu güzergahından hizmet verir

Marked departures from Sultanbeyli Peronlar run a different route (İETT's note, in Turkish):

  • A Orman Yolu güzergahından hizmet verir

Source: departure times from İETT's line page (25 October 2026); stops and running times from the İETT planned timetable (İBB Open Data), valid 16 March 2026 – 31 December 2026. Times are departures from the first stop; when the bus passes later stops depends on traffic. Trips after midnight are listed under the previous day.

Where can you change from the 18K to metro, tram or Metrobus?

Distances are straight-line. To continue by rail, use directions.

Frequently asked questions

How many stops does the 18K have?

31 stops from Kadıköy to Sultanbeyli Peronlar, 31 in the opposite direction. The full route takes about 75 minutes according to the planned timetable. In İETT's trip records it usually takes 45–101 minutes (median 60; ~85 at weekday rush hour).

What time is the first and last 18K bus?

On weekdays from Kadıköy: the first bus is at 06:00 and the last at 00:30. Sunday: first 06:30, last 00:30.

How often does the 18K run?

On weekdays it is most frequent around 17:00, about every 8 minutes; 70 trips a day. Times are planned; traffic changes when the bus actually passes a stop.

How much is the 18K bus?

46.20 TL full fare and 22.55 TL student fare with an Istanbulkart, whatever the distance. You pay less when you transfer from another vehicle (tariff of 20 July 2026).

Live bus positions and İETT service announcements for this line are on the Turkish page.

Last updated: