Compare 2 ways to go from Karlsruhe to Regensburg.
Busbud recommends taking the bus from Karlsruhe to RegensburgAmong the sustainable travel choices, the bus stands out as the good way to reach Regensburg. The journey takes about 7 hours 55 minutes and with fares starting at just $26, it presents an excellent value for a comfortable ride.
Train Karlsruhe to Regensburg: Trip Overview
Please note, this information is subject to change.
Train Companies
Based on 10 reviews, the company was rated 4 stars on Busbud. Travelers were especially satisfied with the seats and the temperature but often complained with the timeliness. Deutsche Bahn ICE ticket prices on this trip start at $77
Karlsruhe to Regensburg Train
With Busbud, comparing and booking tickets for a train from Karlsruhe to Regensburg is a breeze. Browse through an extensive selection of train fares and train schedules to find the best deals.
Train service from Karlsruhe to Regensburg will be provided by the most trusted companies.
Whether it is train tickets or first class train tickets going to Regensburg from Karlsruhe, we help you find what you're looking for based on how much of a budget you have.
Where are the popular train stations and stops in Karlsruhe and Regensburg?
Frequently asked questions for your trip Karlsruhe - Regensburg
Find cheapest prices for trains
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Karlsruhe to Regensburg was searched and found on Sep 1, 2025 with a price of $73To save money and be sure you have the best seat, it's a good idea to buy your train tickets from Karlsruhe to Regensburg, as early as possible.
You can expect to pay from $73 to $141 for a train ticket from Karlsruhe to Regensburg based on the last 2 days. You can expect to find the cheapest price for the trip at $73 which is on 2025-09-01.
About Train Travel
Train Travel Tips
Taking the fastest trains allows you to travel at speeds greater than 300 km/h. Taking a trip from Karlsruhe to Regensburg is not only much quicker but more comfortable too! You can usually travel directly to the city centre and save time while you're at it.
No matter if you plan to take a regional or high-speed train to Regensburg, the planet will thank you. You’ll help to protect the beautiful landscapes that will unfold before your very eyes.
By choosing the train between Karlsruhe and Regensburg, you emit up to 30 times less CO2 than for the same journey made by plane or car!
Make a music playlist for your train ride from Karlsruhe to Regensburg, and enjoy the scenery to tunes from your own personal soundtrack.
Did you know?
You can find the straightest railway in the world in Australia. This railway line is 478 kilometres long and is also considered the longest and straightest railway line in the world.
You can find dogs as passengers on the trains of Moscow, where there is a large number of stray dogs. Over time, the dogs have learned the inner workings of the rail system and it is not uncommon to find one traveling between the city and the suburbs.
Some trains in Sweden can recover more than a fifth of the energy they use by braking. This is especially true with ore trains as they descend from Narvik to Kiruna.
Top Traveled Train Routes
Why choose Busbud?
The Best Way To Book Bus and Train Tickets
Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.
People from around the world trust Busbud
Popular Trains Connecting Karlsruhe
Trains Leaving from Karlsruhe
Popular Trains Connecting Regensburg
Trains Going to Regensburg
Popular train trips
Top Routes Worldwide
- Train from Lyon to Marseille
- Train from Saint-Étienne to Marseille
- Train from Paris to Brest
- Train from Saint-Étienne to Lyon
- Train from Lyon to Saint-Étienne
- Train from Marseille to Lille
- Train from Manchester to Oldham
- Train from Lille to Marseille
- Train from Le Havre to Marseille
- Train from Empoli to Bologna
- Train from Leverkusen to Wolfsburg
- Train from Marseille to Montpellier
- Train from Marseille to Toulouse
- Train from Salford to Manchester
- Train from Wolverhampton to Liverpool