How much is the bus ticket from Karlsruhe to Sofia?

The cheapest bus tickets from Karlsruhe to Sofia start at R 1 736. The average price for this route is around R 2 831. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.

How long is the bus journey from Karlsruhe to Sofia?

The average bus journey time from Karlsruhe to Sofia is 1d 3h, covering a distance of 1347 km. The fastest bus gets 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 04:15. And the latest bus departs at 23:30.

What are the CO₂ emissions for the bus trip from Karlsruhe to Sofia?

A bus trip from Karlsruhe to Sofia produces an estimated 34 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.

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 4.0 out of 5 stars based on 285 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 offers the most punctual service from Karlsruhe to Sofia?

According to Busbud traveller reviews, the most punctual 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 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.

Bus Karlsruhe to Sofia from R 2 157 | Refundable Tickets

Next departures

Next departures from Karlsruhe to Sofia on 25 December
Operated by	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Flixtrain + Flixbus	19:29	Karlsruhe Hbf	1d 14h	11:10	Serdika	Cheapest
	17:25	Südseite Hauptbahnhof	1d 2h	21:00	Serdika	Fastest
	04:55	Südseite Hauptbahnhof	1d 3h	09:35	Serdika	No tags
	23:30	Südseite Hauptbahnhof	1d 10h	11:10	Serdika	No tags

Next departures from Karlsruhe to Sofia on 26 December
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
		04:55	Südseite Hauptbahnhof	1d 3h	09:35	Serdika	Cheapest
		15:30	Südseite Hauptbahnhof	1d 1h	18:00	Serdika	Fastest

Last refresh of the prices: Last Monday at 1:04 PM CET.

Compare 2 ways to travel from Karlsruhe to Sofia

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as a good way to reach Sofia. The journey takes about 17 hours 30 minutes and with fares starting at just R 2 108, it presents an excellent value for a comfortable ride.

1carpool per day

17h 30mAverage duration

1350 kmDistance

57kgCO₂ emissions

	Average price	Average duration	CO₂ emissions	Actions
Bus	Average priceR 1 736 - R 4 664	Average duration1d 3h	CO₂ emissions 34kg CO₂e
Carpool	Average priceR 2 108 - R 2 108	Average duration17h 30m	CO₂ emissions 57kg CO₂e

Where are the popular stops in Karlsruhe and Sofia?

Stops in Karlsruhe

A
Südseite Hauptbahnhof
Hinterm Hauptbahnhof 6, 76137 Karlsruhe, Germany
Visit page
B
Karlsruhe Hbf
Bahnhofpl. 1A, 76137 Karlsruhe, Germany
Visit page
C
Goethestraße
Goethestraße 17-19, 76135 Karlsruhe, Germany
Visit page
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
Visit page
B
Sofia Airport
Visit page
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
E
Central Bus Station
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria
Visit page
F
Knyaginya Maria Luiza
bulevard "Knyaginya Maria Luiza" 65, 1202 Sofia Center, Sofia, Bulgaria

Compare bus companies

FlixBus

3.5/511 712 reviews

Staff4.1

Timeliness3.9

Cleanliness4.1

WiFi2.7

Karat-S

4/5285 reviews

Staff4.4

Timeliness4.7

Cleanliness4.7

WiFi2

Union Ivkoni

2.5/51 957 reviews

Staff2.9

Timeliness2.8

Cleanliness2.7

WiFi0.9

Infobus

4/5493 reviews

Staff4.6

Timeliness4.3

Cleanliness4.8

WiFi3.8

BG Bus Companies: FlixBus, BlaBlaCar Bus, Greyhound, ALSA, Intercape, Trenitalia, Big Sky

Frequently asked questions about travelling from Karlsruhe to Sofia by bus

Please note that timetables, routes, or operator details shown here may be updated or differ 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 at R 1 736. The average price for this route is around R 2 831. Busbud recommends booking your tickets in advance for the best chance of getting the lowest possible price.
How long is the bus journey from Karlsruhe to Sofia?
The average bus journey time from Karlsruhe to Sofia is 1d 3h, covering a distance of 1347 km. The fastest bus gets 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 04:15. And the latest bus departs at 23:30.
What are the CO₂ emissions for the bus trip from Karlsruhe to Sofia?
A bus trip from Karlsruhe to Sofia produces an estimated 34 kg of CO₂, making it a highly eco-friendly travel option and Busbud’s recommended way to travel.
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 4.0 out of 5 stars based on 285 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 offers the most punctual service from Karlsruhe to Sofia?
According to Busbud traveller reviews, the most punctual 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 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.

Best price found

22/12

No data

23/12

R 3 126

Today

No data

25/12

R 2 745

26/12

R 2 157

27/12

No data

28/12

No data

29/12

No data

The cheapest trip from Karlsruhe to Sofia was searched and found on 26 Dec 2025 with a price of R 2 157

To 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 R 2 157 to R 3 970 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 R 2 157, which is on 2025-12-26.

Usually FlixBus 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.