Sheffield station (SHF) to London Luton Airport (LTN) train

East Midlands Trains is a train company based in the United Kingdom. It operates services from London to the East Midlands, Yorkshire, and the North West. East Midlands Trains operates a fleet of Class 158, Class 156, Class 170, Class 222 and Class 180 diesel multiple units, as well as Class 222 Meridian electric multiple units. East Midlands Trains also offers a range of ticket types, including Advance, Anytime, and Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for East Midlands Trains are London to Nottingham, Sheffield, and Leeds.

LNER is a train company based in the United Kingdom. It operates a wide range of services, from high-speed intercity trains to local services. Its most popular routes include London to Edinburgh, London to Leeds, and London to York. LNER offers a variety of train types, including the Azuma, InterCity 225, and HST. The Azuma is a modern, high-speed train that offers comfortable seating and onboard Wi-Fi. The InterCity 225 is a classic train that offers a more traditional experience. The HST is a high-speed train that offers a smooth ride and plenty of legroom. LNER offers a variety of ticket types, including Advance, Anytime, and Off-Peak. Advance tickets are the cheapest option and must be booked in advance. Anytime tickets are more expensive but can be used at any time. Off-Peak tickets are the most affordable option for travelling during off-peak times. Onboard facilities include comfortable seating, Wi-Fi, power sockets, and a range of food and drink options. LNER also offers a range of discounts and special offers, making it an affordable and convenient way to travel.