Trains from Heathrow Airport to Cardiff from $52.10*

Arriving in Cardiff

Trains running from Heathrow Airport to Cardiff will typically take around at least 2h 14m and there is approximately train running everyday.

Book cheap train tickets from Heathrow Airport to Cardiff

It doesn’t need to be difficult to find cheap train tickets from Heathrow Airport to Cardiff. If you know where to look and how to take advantage of available discounts and travel options, then saving money with Trip.com becomes second nature. Here are some of our top tips to help you save money on your train travel.

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.

Traveling during off-peak hours

The important thing to note about Off-Peak train tickets is the designated off-peak time. In large cities and towns, the off-peak time for train travel from Heathrow Airport to Cardiff usually starts at 9:30 am from Monday to Friday, while in other areas it starts at 9:00 am. By planning your journey during these off-peak hours, you can take advantage of cheaper and more comfortable train fares, ensuring a smoother travel experience and avoiding the crowded peak hours.

Travel in a group to save 1/3

If you are planning a trip with a group of three to nine people, there's good news for you! You can take advantage of group travel discounts that are offered by many train companies. These discounts can save you up to 1/3 on off-peak fares, making your journey from Heathrow Airport to Cardiff more affordable. Whether you're traveling with your family, friends, or colleagues, the group save options make it easier for everyone to enjoy the benefits of discounted fares while embarking on a memorable trip together.