Elizabeth line
Arriving in Heathrow Terminal 4X
Every day, up to 44 train depart from Cardiff and arrive in Heathrow Terminal 4X, with the shortest journey taking 2h 34m minutes.
Book cheap train tickets from Cardiff to Heathrow Terminal 4X
Finding cheap train tickets from Cardiff to Heathrow Terminal 4X doesn't have to be a challenging task. With the right knowledge and by using available discounts and travel options, saving money with Trip.com can become effortless. Here are a few valuable tips to help you save money on your train travel.
Get 1/3 off with a Railcard
Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards available to cater to different groups of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.
Split Tickets to save an average extra 30%
How can you make your journey from Cardiff to Heathrow Terminal 4X cheaper? One option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from A to B, you can split the route into two sections: A to C and C to B. This often turns out to be more affordable than buying a direct ticket.
Traveling during off-peak hours
Off-Peak train tickets are generally cheaper than peak-time tickets and can be used on services that are less busy, typically outside the morning and evening rush hours. If your schedule allows flexibility, choosing off-peak hours for your trip from Cardiff to Heathrow Terminal 4X can result in significant cost savings. In most cities and large towns, off-peak hours usually start at 09:30 from Monday to Friday. In other areas, they typically begin at 09:00.
*Prices are dynamic and subject to change. Ticket prices vary based on time of day, route, and class. Prices shown do not include split ticket and Railcard discounts.