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Provider information and services
Karat-S
About
Karat-S is a prominent bus operator based in Sofia, Bulgaria, with an extensive transportation network across Europe. The company offers both national and international bus services, connecting various cities in countries like Germany, France, Italy, Spain, and Serbia, in addition to numerous routes within Bulgaria. Karat-S is known for its affordable and punctual services, making it a popular choice for both tourists and daily commuters. Amenities often include air conditioning, adjustable seats, and sometimes Wi-Fi and restrooms, though availability can vary by vehicle. Karat-S operates over 18 daily departures and has a strong presence with offices and points of sale across Europe.
Luggage & cancellation policy
Luggage included
One carry-on bag up to 10kg (55x40x20) and one checked bag up to 25kg (70x50x30).
Additional luggage
10€ per additional bag up to 25 kg.
Cancellation Policy
You can cancel your ticket up to 24 hours before departure for a full refund. No refunds for cancellations within 24 hours.
Amenities on board the bus
Wifi
Food sold onboard
Seat reservation
Toilets
USB plugs
Accessibility
Assistance; Priority seating; Accessible restrooms.
Bikes
Bikes are allowed; must be packed in a bike bag.
Pets
Small pets allowed in carriers; larger pets must be leashed and muzzled.
Popular routes
Karat-S bus tickets
Select the route
Showing the fastest and cheapest results for Nov 05
Karat-S
09:30AM2h20
Sofia11:50AMPlovdiv
$101One-way
0 transfers
Popular Karat-S routes
Burgas to Sofia bus
from $21
Direct buses available
5h20 average duration
10buses per day
Served by
- Karat-S
- FlixBus
- City Lines
- Ourbus
Belgrade to Sofia bus
from $46
Direct buses available
6h30 average duration
2buses per day
Served by
- Trans Jug
- Infobus
- City Lines
- FlixBus
- Karat-S
Plovdiv to Sofia Airport bus
from $12
Direct buses available
0h26 average duration
2buses per day
Served by
- Karat-S
- Infobus
- Ourbus
- FlixBus
Sofia to Burgas bus
from $22
Direct buses available
5h00 average duration
7buses per day
Served by
- Group Plus
- Ourbus
- Karat-S
- City Lines
- FlixBus
Vienna to Sofia bus
from $55
Direct buses available
14h00 average duration
7buses per day
Served by
- FlixBus
- Ourbus
- Karat-S
- Infobus
- ArdaTur
- City Lines
Plovdiv to Sofia bus
from $27
Direct buses available
0h28 average duration
13buses per day
Served by
- City Lines
- Ourbus
- Karat-S
- FlixBus
- Infobus
Sofia to Belgrade bus
from $46
Direct buses available
6h00 average duration
2buses per day
Served by
- Karat-S
- Infobus
- FlixBus
- City Lines
- Trans Jug
Budapest to Sofia bus
from $36
Direct buses available
12h05 average duration
7buses per day
Served by
- FlixBus
- ArdaTur
- Infobus
- City Lines
- Karat-S
Burgas to Sofia Airport bus
from $21
Direct buses available
5h00 average duration
4buses per day
Served by
- City Lines
- Ourbus
- Karat-S
Sofia to Plovdiv bus
from $14
Direct buses available
1h50 average duration
14buses per day
Served by
- Ourbus
- City Lines
- Infobus
- FlixBus
- Group Plus
- Karat-S
Karat-S FAQs
Everything you need to know to travel with Karat-S: amenities, cancellation policy, luggage allowance and more

Karat-S buses offer assistance, priority seating, and accessible restrooms for passengers with reduced mobility.
Karat-S buses typically offer air conditioning and heating for passenger comfort.
You can take your bicycle onboard a Karat-S bus, but it must be packed in a bike bag.
You can cancel your Karat-S bus ticket up to 24 hours before departure for a full refund; however, no refunds are offered for cancellations within the 24-hour window.
Karat-S requires children to have their own tickets, and they offer discounts for children, making travel more affordable for families.
For Karat-S bus departures, it is generally recommended to arrive at the station at least 15-30 minutes early to allow time for boarding and any necessary procedures. Ticket purchases can be made through https://www.omio.com, the official source for bus tickets.
Karat-S allows passengers to enjoy food onboard their buses, making the journey more pleasant and comfortable.
With Karat-S, you can bring one carry-on bag weighing up to 10kg with dimensions 55x40x20 and one checked bag weighing up to 25kg with dimensions 70x50x30.
There is an extra fee of 10€ per additional bag up to 25 kg with Karat-S.
Karat-S does not offer night journeys, so there are no buses with sleeper seats available from this provider.
With Karat-S, small pets are allowed if they are in carriers, while larger pets must be leashed and muzzled.
Karat-S buses do not publicly provide specific details about seat selection options.
Karat-S provides USB plugs for passengers.
Karat-S provides onboard bathroom facilities on their transportation services.
Karat-S provides WIFI services on their transportation offering.
bus station information and services
Most popular Karat-S bus stations
Amenities at bus station
information
Ticket Office Hours
- 06:00-22:00
Distance to city center
1 kmCar connection
Knyaginya Maria Luiza BlvdWifi
- Free Wi-Fi
Taxis
- Available outside the main entrance.
Accessibility
- Elevators, ramps
WC
- Available in the station.
Public transit options for Sofia, Centralna Avtogara (София, Централна Автогара)
- Bus: 213, 305, 404 Metro: M2 Train: Sofia Central Station
Sofiya, Avtogara Serdika (София, Автогара Сердика)







Amenities at bus station
information
Ticket Office Hours
- 00:00-23:59
Distance to city center
1 kmCar connection
Knyaginya Maria Luiza BlvdWifi
- Free Wi-Fi
Dining
- Cafeteria Serdika (in the station)
- Bistro Bulgaria (0.2 km)
- Sofia Grill House (0.5 km).
Taxis
- Available outside the main entrance.
Accessibility
- Elevators, ramps
WC
- Available in the station.
Public transit options for Sofiya, Avtogara Serdika (София, Автогара Сердика)
- Bus: 213, 305, 404 Metro: M1, M2 Train: Sofia Central Station
Amenities at bus station
information
Ticket Office Hours
- 06:00-22:00
Distance to city center
1 kmWifi
- Free Wi-Fi
Dining
- Cafeteria Avtogara (in the station)
- Fast Food Express (in the station)
- Local Delights (in the station).
Taxis
- Available outside the main entrance.
Accessibility
- Ramps
WC
- Available in the station.
Public transit options for Burgas, Avtogara Yug (Бургас, Автогара Юг)
- Bus: 11, 12, 15, 16 Train: Burgas Central Station
Plovdiv, Tsentralna Gara (Пловдив, Централна Гара)
information
Beograd, Autobuska Stanica (Београд, Аутобуска Станица)
information
Karat-S destinations
Not sure where to begin your Karat-S adventure? Check out these popular Karat-S destinations for travel details and nearby attractions:
