In the early stages, during the operator's time as Student Agency, bus transport was provided by vehicles of Spanish brand Ayats Atlantis on the MAN chassis. Afterwards, the company started to use Spanish Beulas buses on the Scania and Volvo chassis. In 2006, the company further invested into five Mercedes-Benz Travego buses, particularly for lines heading to Vienna.
In 2012, the fleet owned by the company amounted to approximately 110 buses, out of which 5 were of a white colour, as the company operated them on the routes between Prague – Nuremberg and Prague – Munich on behalf of Deutsche Bahn, with the other vehicles painted in a noticeable yellow colour.
In 2013, the size of the fleet had increased to 152 buses. The most common type was the Spanish Irizar PB on the Scania or Volvo chassis – the company owned 93 of the type, out of which 67 were equipped with Fun & Relax equipment.
In April 2016, 45 super modern Irizar i8 buses of the newest generation arrived as part of the company's fleet. The first of these buses were introduced on the route between Prague – Dresden – Berlin. The number of buses operating under the brand RegioJet grew to reach 210 as a result of the new vehicles.
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In September 2023 RegioJet showed off new Setra S 531 DT double decker buses for international routes, they only have 58 seats, the upper deck has a 2+1 configuration which gives you more space all around you and is marketed as Relax class, while the lower deck has the more standard 2+2 layout with both forward and rear facing seats and is marketed as Standard Class, there is also a free self service coffee machine, a water tap for both still and sparkling water as well as a vending machine with snacks and drinks, a toilet is also located on the lower deck. All the airline style seats are also equipped with seatback displays. All seats also have at least a USB A and USB C power socket, some also have regular European schuko power sockets In 2026 the same buses with a new interior configuration for domestic lines entered service, they have most of the same amenities but the upper deck is no longer in a 2+1 layout, opting for the regular 2+2 layout albeit with still more room than usual. this new configuration can carry 72 passengers, 14 more than the version for international lines.
Ústí nad Labem services
From December 2019, Regiojet will take over the 10 year tender for services U5, U7 and U13 in the Ústí nad Labem Region.
Poland domestic services (Warszawa – Kraków / Trójmiasto / Poznań)
At the turn of the year 2025/2026 company started services on domestic lines in Poland:
18 September 2025, Warszawa - Kraków route
14 December 2025, Kraków - Warszawa - Gdynia route
1 March 2026, Warszawa - Poznań route
Controversies
RegioJet repeatedly made statements, that timetable, infrastructure and operations management by infrastructure and station managers (PKP Polskie Linie Kolejowe, PKP SA) are hostile towards RegioJet, and the actions of PKP Intercity show signs of unfair competition. RegioJet says, that actions taken by state-owned, and PKP Intercity related companies caused refusal of access to advertisements areas on railway buildings, refusal of access to operate ticket offices, obstruction to the use of a train service siding, that was won by RegioJet's in a public tender. Radim Jančura, head and owner of Regiojet said, that "Poland is hell". Private communication between Radim Jancura and Janusz Malinowski, head of PKP Intercity, caused Prosecutor office and Office of Internal Safety (ABW) action.
3 days before the 2025/2026 timetable entered into force, RegioJet had announced, that most of newly planned trains on routes Warszawa-Kraków, Warszawa-Trójmiasto and the new Warszawa-Poznań route, would not be launched. Sudden cancellation caused chaos: passengers had bought tickets, which were refunded, regional trains had unnecessary stops with excessive stop times to allow non-existent RegioJet trains to overtake; the national railway network manager said, that the abrupt cancellation caused excessive work to implement the new annual timetable, and announced action to prevent such situations in future, Urząd Transportu Kolejowego (Poland's Railway Transport Office) announced extraordinary action and inspection.
At 7 April 2026, Prezes Urzędu Transportu Kolejowego (Poland's Railway Transport Office chairman) made decision, which confirmed that RegioJet "has performed unlawful practices, violating collective passenger's interests", and may start proceeding an administrative penalty.
Domestic services closure announcement in Poland
At 12 April 2026, RegioJet announced closure of all Poland domestic services since 4 May 2026, caused by hostile predatory ticket price management and infrastructure restrictions, however, independent experts comment that real cause, putting aside debatable unfair competition, is inappropriate set-up for market entry, improvisation and "hurry-scurry" actions.
At 20 April 2026, sanepid (Sanitary and Epidemiological Station) in Krakow closed an unreported food warehouse operated by RegioJet, and demanded food disposal. During inspection sanepid discovered inappropriate food, water, and ready-to-serve food storage. Products were stored in invalid sanitary requirements conditions, and some of them exceeded the expiration date. 16000 water bottles were stored outside, unsecured and affected by weather conditions. Sanepid requested for an administrative penalty to a higher instance, and informed local Inspectorate for Environmental Protection (WIOŚ) about discovered "storage of a significant amount of waste".
Państwowa Inspekcja Pracy (labor inspection office) have started investigation concerning invalid employe time management, salary delays, invalid salary calculations, invalid national social insurance reports and calculations.
Fares and service
Initially RegioJet did not differentiate between classes, with seats in all coaches sold as second class. Later, the operator introduced four tariff zones on its commercial lines – the first and second tariff zone in two classes.
Low cost (no service): second class with a reduced fare (not guaranteed for all lines) - open space coach, no drawers, bottled water is included in the fare price and a daily newspaper is available.
Standard: second class – 6-person compartment, possibility of having a compartment for children and a quiet zone compartment, possibility of utilising the open space Astra coach with an entertainment programme in the in-built screens in each seat.
Relax: second class – open space coach, possibility for separate seats, large tables.
In both Standard and Relax classes, passengers receive a daily newspaper and magazines, coffee and bottled water free of charge and at the same time may order other paid-for snack items from an onboard menu.
Business: first class – compartment for 4 persons, possibility of a quiet zone compartment, free daily newspaper and economic magazines as well as coffee, cookies, high-quality teas, orange juice or Bohemia Sekt (sparkling wine).
An internet connection is available free of charge and the option to book a specific seat is available for all classes.
Coaches
All of the transporter's coaches have the corporate yellow outer paint and blue-red logo of the name REGIOJET. In addition, there is signate to denote the class, respective fares and pictograms of the offered services close to the entrance door.
In June 2011, RegioJet purchased 14 used coaches from Austrian operator ÖBB, which had been previously reconstructed to reach speeds of 200 km/h and retrofitted with AC, vacuum toilets and power sockets. They were transported to the Czech Republic in early June 2011 and late July 2011, before entering service in September 2011 having undergone a complete interior adjustment. Another 14 coaches were purchased in July 2011. All coaches (12 ABmz 61 81 30-90 coaches, 8 Ampz 61 81 18-91 coaches, 8 Bmz 61 81 21-90 coaches) were marked as second class by RegioJet, although for ÖBB these coaches and parts of the coaches of class A served as first class. It was reported that in January 2014, RegioJet had purchased another 45 coaches of the same series from ÖBB, with 27 of them first class coaches.
In September 2014 at InnoTrans, the Slovak company Molpir, the supplier of the FUNTORO on-board entertainment system, introduced a high-capacity coach for RegioJet from Romanian manufacturer Astra Vagoane Călători. The coach was designed under cooperation with the interior studio Flagu-Coplass and architect Patrik Kotas. The coaches have seats from German company GRAMMER and feature a TV screen for each seat. Each coach costs approximately €1 mil. 10 coaches were ordered in total, to be put into operation in the following months.
At the end of 2017, the transporter purchased 6 coaches from the bankrupt open-access operator Arenaways – they were manufactured in 2010 and operated for several months in Italy before being purchased by RegioJet. The company ordered another 10 Astra coaches from the Romanian producer.
Diesel multiple units
RegioJet used 9 3-coach Bombardier Talent DMUs in Slovakia, leased from Alpha Trains.