Bus Karlsruhe to Sofia: Compare prices and save money

Compare all timetables for the bus from Karlsruhe to Sofia

Here is a selection of the cheapest bus trips from the schedule from Karlsruhe to Sofia from various bus operators like Karat-S or Union Ivkoni for the next days.

today

tomorrow

from $155

Tuesday

Wednesday

from $132

Thursday

Friday

Saturday

Cheapest bus trips tomorrow

Prices are for one way and one person
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Karat-S	27h 35m	5:25 PM	Karlsruhe	Central Bus Station	9:00 PM	Sofia	Serdika		Basic	$155	A Bus from Karat-S goes from Central Bus Station, Karlsruhe (Germany) at 8/11/2025 5:25:00 PM to Serdika, Sofia (Bulgaria) arriving at 8/12/2025 9:00:00 PM. 50 Basic ticket for $155 per person are available. Travel duration is 27h 35m

Did you know that if you travel from Karlsruhe to Sofia via Leonberg, you can save more than $63? You can find the corresponding connections below.
- FlixBus
  
  37h 35m
  
  0
  
  6:25 AM
  
  Karlsruhe
  Central Station
  
  7:20 AM
  
  Leonberg
  Central Station
  
  0
  
  Economy
  
  $8
  
  A Bus from FlixBus goes from Central Station, Karlsruhe (Germany) at 8/11/2025 6:25:00 AM to Central Station, Leonberg (Germany) arriving at 8/11/2025 7:20:00 AM. 50 Economy ticket for $8 per person are available. Travel duration is 0h 55m
- FlixBus
  
  36h 35m
  
  0
  
  7:25 AM
  
  Leonberg
  Central Station
  
  8:00 PM
  
  Sofia
  Central Bus Station
  
  0
  
  Economy
  
  $84
  
  A Bus from FlixBus goes from Central Station, Leonberg (Germany) at 8/11/2025 7:25:00 AM to Central Bus Station, Sofia (Bulgaria) arriving at 8/12/2025 8:00:00 PM. 50 Economy ticket for $84 per person are available. Travel duration is 36h 35m
Travel time is 10h 0m longer, but you will save $63

Cheapest bus trips Wednesday

Prices are for one way and one person
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Karat-S	27h 35m	5:25 PM	Karlsruhe	Central Bus Station	9:00 PM	Sofia	Serdika		Basic	$132	A Bus from Karat-S goes from Central Bus Station, Karlsruhe (Germany) at 8/13/2025 5:25:00 PM to Serdika, Sofia (Bulgaria) arriving at 8/14/2025 9:00:00 PM. 50 Basic ticket for $132 per person are available. Travel duration is 27h 35m
	Union Ivkoni	24h 45m	5:15 PM	Karlsruhe	Central Bus Station	6:00 PM	Sofia	Bratya Miladinovi		Basic	$170	A Bus from Union Ivkoni goes from Central Bus Station, Karlsruhe (Germany) at 8/13/2025 5:15:00 PM to Bratya Miladinovi, Sofia (Bulgaria) arriving at 8/14/2025 6:00:00 PM. 50 Basic ticket for $170 per person are available. Travel duration is 24h 45m

Did you know that if you travel from Karlsruhe to Sofia via Stuttgart Airport, you can save more than $25? You can find the corresponding connections below.
- BlaBlaCar Bus
  
  30h 25m
  
  0
  
  3:10 AM
  
  Karlsruhe
  Central Station
  
  4:10 AM
  
  Stuttgart Airport
  Stuttgart Airport
  
  0
  
  Economy
  
  $7
  
  A Bus from BlaBlaCar Bus goes from Central Station, Karlsruhe (Germany) at 8/11/2025 3:10:00 AM to Stuttgart Airport, Stuttgart Airport (Germany) arriving at 8/11/2025 4:10:00 AM. 50 Economy ticket for $7 per person are available. Travel duration is 1h 0m
- FlixBus
  
  27h 35m
  
  0
  
  6:00 AM
  
  Stuttgart Airport
  Stuttgart Airport
  
  9:35 AM
  
  Sofia
  Central Bus Station
  
  0
  
  Economy
  
  $100
  
  A Bus from FlixBus goes from Stuttgart Airport, Stuttgart Airport (Germany) at 8/11/2025 6:00:00 AM to Central Bus Station, Sofia (Bulgaria) arriving at 8/12/2025 9:35:00 AM. 50 Economy ticket for $100 per person are available. Travel duration is 27h 35m
Travel time is 5h 40m longer, but you will save $25

Best Price Offer: The price for the cheapest bus from Karlsruhe to Sofia is $109 on 8/18/2025. Flexible travelers save on ticket prices.

Facts about the bus from Karlsruhe to Sofia

Compare all providers like Karat-S and Union Ivkoni that travel 1 times every day by bus from Karlsruhe to Sofia in one click! Book your bus ticket from Karlsruhe to Sofia starting from $109!

Cheapest Bus	$109
Fastest Bus	24h 45m
Earliest Bus	5:25 PM
Latest Bus	5:25 PM
Daily Bus Routes	1 Ø
Distance	838.0 miles
Bus Companies	Karat-S and Union Ivkoni

Cheapest bus connections from Karlsruhe to Sofia

Every day, 1 buses from 2 bus companies leave Karlsruhe for Sofia: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 08/10/2025 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 08/10

Monday 08/11

$155

Tuesday 08/12

Wednesday 08/13

$170

Thursday 08/14

Friday 08/15

Saturday 08/16

Sunday 08/17

Monday 08/18

$109

Tuesday 08/19

Wednesday 08/20

Thursday 08/21

Friday 08/22

Saturday 08/23

Sunday 08/24

Monday 08/25

Tuesday 08/26

Wednesday 08/27

Thursday 08/28

Friday 08/29

Saturday 08/30

Sunday 08/31

Monday 09/01

Tuesday 09/02

Wednesday 09/03

Thursday 09/04

Friday 09/05

Saturday 09/06

How to save money travelling from Karlsruhe to Sofia

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Karlsruhe to Sofia in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Karlsruhe to Sofia, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Karlsruhe to Sofia are also emptier.

All bus stations and stops in Karlsruhe and Sofia

In the map below, you can see where to find all bus stations in Karlsruhe and Sofia.

Central Bus Station

Kühler Krug Train Station

Durlach Auer Str./Dr.Willmar Schwabe Bus Stop

Bannwaldallee Station

Barbarossa Square Station

Central Bus Station

Knyagina Maria Luisa Boulevard 100

Bratya Miladinovi

Bus and Coach Station Zapad Bus Stop

Serdika

Knyaginya Maria Luiza 102

Sever

Йордан Хаджиконстантинов - Джинот

Service and Comfort on the bus from Karlsruhe to Sofia

Want to know which seat classes are available on the buses from Karlsruhe to Sofia? Or which bus companies serve the route Karlsruhe to Sofia? Below you will find answers to your questions.

FAQs about the Karlsruhe to Sofia bus

How much does a Karlsruhe Sofia bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $109 and takes 27h 35m to reach Sofia. Compare offers to save money!

How much could I save by comparing buses from Karlsruhe to Sofia?

This route is offered by 2 companies with a range of ticket prices between $109 and $170. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Sofia.

On average, how many connections are available from Karlsruhe to Sofia each day?

Every day, the Karlsruhe to Sofia bus route is served by approximately 1 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Karlsruhe to Sofia take?

The fastest bus from Karlsruhe to Sofia is offered by Union Ivkoni and takes 24h 45m. Bus tickets for this connection cost $170. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Karlsruhe to Sofia?

The earliest bus arriving in Sofia from Karlsruhe starts at 5:25 PM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Karlsruhe to Sofia?

The latest bus trip departing from Karlsruhe for Sofia starts at 5:25 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Karlsruhe Sofia route?

When traveling by bus from Karlsruhe to Sofia, passengers can travel with Karat-S and Union Ivkoni. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Karlsruhe and Sofia?

You can check all the direct connections between Karlsruhe and Sofia by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Karat-S and Union Ivkoni.

What can I take with me on the Karlsruhe to Sofia bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Karlsruhe Sofia bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Karlsruhe Sofia bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Karlsruhe to Sofia on your planned travel date.

Available seat classes which are offered on the bus route Karlsruhe to Sofia

Basic

Name referring to the typical seat you will find with companies that don’t distinguish between different classes.

More bus routes to Karlsruhe and to Sofia

Here’s an overview of the most popular bus routes to Karlsruhe and to Sofia. Simply click on the connection of your choice, and you will find all the details about your bus route!