Heathrow Terminals 2 & 3 (HXX) to Southampton Central (SOU) train

Great Western Railway is a train operating company in the United Kingdom. It operates services from London Paddington to the West of England, South Wales and the Cotswolds. It also operates services from London Paddington to Oxford, Reading and Bristol. It offers a range of ticket types, including Advance, Anytime, Off-Peak and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, air conditioning and catering services. The most popular routes for Great Western Railway are London Paddington to Bristol, Reading and Oxford.

South Western Railway is a train operating company in the United Kingdom, providing services in the south and south-west of England. It operates a variety of train types, including high-speed trains, local stopping services, and suburban commuter trains. It also offers a range of ticket types, including Advance, Off-Peak, and Super Off-Peak tickets. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for South Western Railway include London Waterloo to Portsmouth Harbour, London Waterloo to Weymouth, and London Waterloo to Bournemouth.

Cross Country trains are a UK-based train operator that provides services across the country including trains from Heathrow Airport T123 (HXX) to Southampton Central (SOU). They offer a range of services, from express services to local services, and have a variety of ticket types to suit different needs. Their express services, such as the CrossCountry Voyager and CrossCountry XC Trains, offer a fast and comfortable journey, with onboard facilities such as free Wi-Fi, power sockets, and a selection of snacks and drinks. Their local services, such as the CrossCountry Regional and CrossCountry Regional Express, provide a more leisurely journey, with stops at smaller stations along the way. They also offer a range of ticket types, such as Advance, Anytime, and Off-Peak tickets, to suit different budgets and travel needs. The most popular routes for Cross Country trains include London to Birmingham, Manchester to Edinburgh, and Bristol to Reading.

Southern Rail is a train company based in the United Kingdom. It operates a wide range of services, from high-speed intercity trains to local commuter services. Its trains include the InterCity 125, InterCity 225, and Class 444 and 450. It also offers a variety of ticket types, such as Advance, Off-Peak, and Super Off-Peak. Onboard facilities include free Wi-Fi, power sockets, and a range of food and drink options. The most popular routes for Southern Rail are London to Brighton, London to Southampton, and London to Portsmouth.

Tfl Rail is a railway service operated by Transport for London in the United Kingdom. It operates on the Great Western Main Line and the Heathrow branch of the London Underground. The service runs from Paddington in London to Reading, Maidenhead, Slough, and Heathrow Airport. It also serves the towns of Taplow, Burnham, Twyford, and Hayes & Harlington. All trains are air-conditioned and feature onboard Wi-Fi, power sockets, and digital information screens. Tfl Rail offers a range of ticket types, including single and return tickets, season tickets, and Oyster cards. Oyster cards are the most popular ticket type, allowing passengers to pay for their journey with a single card. The most popular routes for Tfl Rail are Paddington to Reading, Paddington to Maidenhead, and Paddington to Heathrow Airport. These routes offer frequent services and provide passengers with a convenient way to travel between London and the surrounding areas.

The Heathrow Express is a train service from the United Kingdom that operates between London Heathrow Airport and Paddington Station in London. It runs every 15 minutes from 5: 10am to 11: 25pm, with a journey time of just 15 minutes. The train service offers two types of trains: the Express Class and the Business First Class. Express Class offers comfortable seating, free Wi-Fi, and power sockets, while Business First Class offers extra legroom, complimentary newspapers, and complimentary refreshments. There are three types of tickets available: Single, Return, and Group. Onboard facilities include a café bar, luggage storage, and a quiet zone. The most popular routes for the Heathrow Express are London Heathrow Airport to Paddington Station, and Paddington Station to London Heathrow Airport.