For such long distances, travelling by bus could not be the best solution. Check out alternatives by plane: with some luck, you will find low-cost tickets from Cologne to Sofia and be a lot faster!
How many bus connections exist to go from Cologne to Sofia per day?
If you desire to go to Sofia from Cologne by bus, 3 daily connections are available. Please note that 2 routes include one change or more whereas 1 routes are direct lines. Therefore, choosing a trip including a change is sometimes more efficient although it is longer especially if there are too few connections and if you look for a ticket at the last minute. However, considering choosing a ticket for a direct line seems to be the best option if your priority is to stay in the same bus for the whole trip.
What time do the busses to Sofia leave?
The earliest time you can leave from Cologne is at 00:10, while the last bus is at 23:10. The journey takes on average 33 hours and 25 minutes but it can also last 31 hours and 31 minutes with the fastest connections.
Which bus companies serve the route Cologne - Sofia?
Among the several partners of virail, you can also find Union Ivkoni (Юнион Ивкони), Karat-S (Карат-С) and FlixBus, offering buses from Cologne to Sofia.
Flixbus is undoubtedly one of the youngest and most famous bus companies in whole Europe. With more than 40 millions passengers only in 2017, Flixbus offers national and international bus connections, also with night buses.