Next bus departures

Next departures for Ulm to Sofia on September 30
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus Wifi Toilet Power outlets	4:50pm	Ulm	1d 12h	6:30am	Serdika	Cheapest
Bus Wifi Toilet Power outlets	6:25am	Ulm	1d 2h	9:35am	Serdika	Fastest
Bus Wifi Toilet Power outlets	4:50pm	Ulm	1d 5h	11:45pm	Serdika	No tags

Last refresh of the prices: Today at 10:43 AM CEST.

Get from Ulm to Sofia

This route is served by bus only

The journey takes about 1 day, 2 hours 10 minutes and with fares starting at just MAD 711, it presents an excellent value for a comfortable ride.

2bus per day

1d 2hAverage Duration

753 milesDistance

30kgCO₂ emissions

Bus stations and stops in Ulm and Sofia

Stops in Ulm

A
International Bus Stop - 51
Eberhard-Finckh-Straße 34, 89075 Ulm, Germany
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B
Ulm Bushaltestelle
Friedrich-Ebert-Straße 12, 89073 Ulm, Germany
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C
Ulm Bahnhof
Bahnhofpl. 1, 89073 Ulm, Germany
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D
Bushaltestelle Ulm Einsteinstraße
Einsteinstraße 93, 89077 Ulm, Germany
E
Ulm, Böfingen, Eberhard-Finckhstr. 34
Eythstraße 24, 89075 Ulm, Germany

Stops in Sofia

A
Serdika
bulevard "Knyaginya Maria Luiza" 108, 1202 Sofia, Bulgaria
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B
Sofia Airport
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C
Central Bus Station
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria
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D
Central Bus Station - Sofia
bulevard "Knyaginya Maria Luiza" 100, 1202 Tsentralna, Sofia, Bulgaria
Visit page
E
Knyaginya Maria Luiza
bulevard "Knyaginya Maria Luiza" 65, 1202 Sofia Center, Sofia, Bulgaria
F
Lukoil
E80 9086, 1331 Sofia, Bulgaria

Compare bus companies

FlixBus

3.5/515,966 reviews

Staff4.2

Timeliness4.0

Cleanliness4.1

Wifi2.7

Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.

Karat-S

4.1/5361 reviews

Staff4.3

Timeliness4.8

Cleanliness4.7

Wifi1.6

Union Ivkoni

2.7/52,101 reviews

Staff3.0

Timeliness2.9

Cleanliness2.8

Wifi0.9

Infobus

3.9/5499 reviews

Staff4.4

Timeliness4.3

Cleanliness4.8

Wifi3.8

BG bus companies:FlixBus, BlaBlaCar Bus, ALSA, Deutsche Bahn, Sindbad, MarinoBus, BlaBlaCar Bus - Alsa

Frequently asked questions about traveling from Ulm 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 Ulm to Sofia?
The cheapest bus tickets from Ulm to Sofia start from MAD 711. The average price for this route is around MAD 1,013. 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 Ulm to Sofia?
The average bus trip duration from Ulm to Sofia is 1d 2h, covering a distance of 753 miles (1214 km). The quickest bus can get you there in 23h and is operated by Union Ivkoni.
Which bus companies service the Ulm 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 Ulm to Sofia?
The earliest bus departs from Ulm to Sofia at 6:25am. And the latest bus departs at 8:35pm.
What are the CO₂ emissions for the bus trip from Ulm to Sofia?
A bus trip from Ulm to Sofia generates an estimated 30.32505 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 Ulm 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 355 reviews.
Which bus company has the best Wi-Fi from Ulm 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 Ulm to Sofia?
According to Busbud traveler reviews, the most timely bus company on this route is Karat-S, with a punctuality rating of 4.8 out of 5 stars.
Which bus company has the cleanest buses from Ulm 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.

Best price found

09/27

No data

09/28

MAD 902

Today

MAD 972

09/30

MAD 1,155

10/01

MAD 955

10/02

MAD 955

10/03

MAD 937

10/04

MAD 879

The cheapest trip from Ulm to Sofia was searched and found on Oct 4, 2026 with a price of MAD 879

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ulm to Sofia, as early as possible.

You can expect to pay from MAD 879 to MAD 1,474 for a bus ticket from Ulm to Sofia based on the last 2 days. You can expect to find the cheapest price for the trip at MAD 879 which is on 2026-10-04.

Usually Union Ivkoni 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.