Cheap Bus tickets to Bolu

What are the most popular routes to Bolu?

Istanbul Europe - BoluAverage price$14Average duration5h 10mDaily departures107
Istanbul Asia - BoluAverage price$16Average duration3h 40mDaily departures61
Düzce - BoluAverage price$10Average duration30mDaily departures7
Bursa - BoluAverage price$22Average duration4h 35mDaily departures12
Gebze - BoluAverage price$13Average duration3hDaily departures37