Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Südseite Hauptbahnhof | Serdika | CheapestFastest |
Last refresh of the prices: Last Saturday at 8:09 AM CEST.
Get from Karlsruhe to Sofia
The journey takes about 1 day, 3 hours 40 minutes and with fares starting at just CHF 81, it presents an excellent value for a comfortable ride.
Where are the popular stops in Karlsruhe and Sofia?
Stops in Karlsruhe
- A
Goethestraße
Goethestraße 17-19, 76135 Karlsruhe, Germany - B
Südseite Hauptbahnhof
Hinterm Hauptbahnhof 6, 76137 Karlsruhe, Germany - C
Karlsruhe Hbf
Bahnhofpl. 1A, 76137 Karlsruhe, Germany - D
Karlsruhe
Gartenstraße 58, 76135 Karlsruhe, Germany - E
Karlsruhe/Baden-Baden Airport
Quebec Avenue, 77836 Rheinmünster, Germany
Stops in Sofia
- A
Serdika
bulevard "Knyaginya Maria Luiza" 108, 1202 Sofia, Bulgaria - C
Central Bus Station - Sofia
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria - D
Central Bus Station
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria - E
Knyaginya Maria Luiza
bulevard "Knyaginya Maria Luiza" 65, 1202 Sofia Center, Sofia, Bulgaria - F
Lukoil
E80 9086, 1331 Sofia, Bulgaria
Compare bus companies
Frequently asked questions about traveling from Karlsruhe to Sofia by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Karlsruhe to Sofia?
The cheapest bus tickets from Karlsruhe to Sofia start from CHF 81. The average price for this route is around CHF 121. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Karlsruhe to Sofia?
The average bus trip duration from Karlsruhe to Sofia is 1d 3h, covering a distance of 836 miles (1347 km). The quickest bus can get you there in 1d 1h and is operated by Union Ivkoni.
Which bus companies service the Karlsruhe to Sofia route?
Several major bus companies operate on this route with 2 buses available per day, including services from FlixBus, Karat-S, Union Ivkoni, Infobus.
What is the earliest and latest departure time for the bus from Karlsruhe to Sofia?
The earliest bus departs from Karlsruhe to Sofia at 4:55am. And the latest bus departs at 11:25pm.
What are the CO₂ emissions for the bus trip from Karlsruhe to Sofia?
A bus trip from Karlsruhe to Sofia generates an estimated 33.674675 kg of CO₂, making it a highly eco-friendly travel option and recommended mode of travel by Busbud.
What is the best bus company from Karlsruhe to Sofia?
According to Busbud customers, the highest-rated bus company on this route is Karat-S, with an average rating of 4.1 out of 5 stars based on 306 reviews.
Which bus company has the best Wi-Fi from Karlsruhe to Sofia?
Based on reviews on Busbud, the bus company Infobus has the best Wi-Fi rating with a score of 3.8.
Which bus company has the most timely service from Karlsruhe to Sofia?
According to Busbud traveler reviews, the most timely bus company on this route is Karat-S, with a punctuality rating of 4.7 out of 5 stars.
Which bus company has the cleanest buses from Karlsruhe to Sofia?
According to Busbud traveler reviews, the bus company with the cleanest buses on this route is Infobus, with a cleanliness rating of 4.8 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Karlsruhe to Sofia was searched and found on Jun 29, 2026 with a price of CHF 79To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Karlsruhe to Sofia, as early as possible.
You can expect to pay from CHF 79 to CHF 151 for a bus ticket from Karlsruhe to Sofia based on the last 2 days. You can expect to find the cheapest price for the trip at CHF 129 which is on 2026-07-01.
