Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
 | Bus | Serdika | Südseite Hauptbahnhof | Cheapest | ||||
 | Bus | Serdika | Südseite Hauptbahnhof | Fastest |
Last refresh of the prices: Today at 11:45 AM EET.
Compare 2 ways to go from Sofia to Karlsruhe
Among the sustainable travel choices, the carpool stands out as the good way to reach Karlsruhe. The journey takes about 16 hours 50 minutes and with fares starting at just $82, it presents an excellent value for a comfortable ride.
| Average Price | Average Duration | CO₂ emissions | Actions | |
|---|---|---|---|---|
| Average Price$74 - $180 | Average Duration1d 3h | 34kg CO₂e | ||
Carpool | Average Price$82 - $82 | Average Duration16h 50m | 57kg CO₂e |
Where are the popular stops in Sofia and Karlsruhe?
Stops in Sofia
- Abulevard "Knyaginya Maria Luiza" 108, 1202 Sofia, Bulgaria
- C
bul. Kniaz Aleksandar Dondukov 2
bul. Kniaz Aleksandar Dondukov 2, 1000 Sofia, Bulgaria - D
Central Bus Station - Sofia
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria - Ebulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria
- F
Knyaginya Maria Luiza
bulevard "Knyaginya Maria Luiza" 65, 1202 Sofia Center, Sofia, Bulgaria
Stops in Karlsruhe
- AHinterm Hauptbahnhof 6, 76137 Karlsruhe, Germany
- BGoethestraße 17-19, 76135 Karlsruhe, Germany
- CBahnhofpl. 1A, 76137 Karlsruhe, Germany
- D
Karlsruhe
Gartenstraße 58, 76135 Karlsruhe, Germany - E
Karlsruhe/Baden-Baden Airport
Quebec Avenue, 77836 Rheinmünster, Germany
Compare bus companies
Frequently asked questions about traveling from Sofia to Karlsruhe 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 Sofia to Karlsruhe?
The cheapest bus tickets from Sofia to Karlsruhe start from $74. The average price for this route is around $129. 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 Sofia to Karlsruhe?
The average bus trip duration from Sofia to Karlsruhe is 1d 3h, covering a distance of 835 miles (1347 km). The quickest bus can get you there in 23h 15m and is operated by Union Ivkoni.
Which bus companies service the Sofia to Karlsruhe route?
Several major bus companies operate on this route with 2 buses available per day, including services from FlixBus, Infobus, Karat-S, Union Ivkoni.
What is the earliest and latest departure time for the bus from Sofia to Karlsruhe?
The earliest bus departs from Sofia to Karlsruhe at 1:45am. And the latest bus departs at 10:50pm.
What are the CO₂ emissions for the bus trip from Sofia to Karlsruhe?
A bus trip from Sofia to Karlsruhe generates an estimated 34 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 Sofia to Karlsruhe?
According to Busbud customers, the highest-rated bus company on this route is Karat-S, with an average rating of 4.0 out of 5 stars based on 282 reviews.
Which bus company has the best Wi-Fi from Sofia to Karlsruhe?
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 Sofia to Karlsruhe?
According to Busbud traveller 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 Sofia to Karlsruhe?
According to Busbud traveller 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 Sofia to Karlsruhe was searched and found on Dec 4, 2025 with a price of $79To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Sofia to Karlsruhe, as early as possible.
You can expect to pay from $79 to $159 for a bus ticket from Sofia to Karlsruhe based on the last 2 days. You can expect to find the cheapest price for the trip at $79 which is on 2025-12-04.
Usually Karat-S will charge you higher prices for tickets closer to the departure date. To find the best prices, you should be flexible on your date of travel.
