Arriving in Cardiff
Every day, up to 62 train depart from Heathrow Term123 and arrive in Cardiff, with the shortest journey taking 2h 14m minutes.
Book cheap train tickets from Heathrow Term123 to Cardiff
Let's save unnecessary costs when traveling from Heathrow Term123 to Cardiff by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.
Split Tickets to save an average extra 30%
Splitting your tickets involves buying separate tickets for different parts of your journey instead of one ticket for the entire trip. This method can often be cheaper and is perfectly legal. For instance, if you're traveling from A to B, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket.
Travel in a group to save 1/3
If you are traveling in a group of three to nine people, you can take advantage of group travel discounts. Many train companies offer GroupSave options that provide a discount of up to 1/3 on off-peak fares. This can make traveling from Heathrow Term123 to Cardiff more affordable for families, friends, or colleagues planning a trip together.
Get 1/3 off with a Railcard
With a Railcard, you can save up to 1/3 on most rail fares. There are different types of Railcards available, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard, each designed to cater to specific groups of travelers. You can discover more about Railcards here.
*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.