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2% OFF
Jun 19, 2024-Jun 20, 2026
Heathrow Terminal 3 to Cardiff Train prices and times
Looking to travel from Heathrow Terminal 3 to Cardiff? You can buy train tickets with Trip.com for as low as US$67.95, with average prices for this route around US$75.82.
To get the best deals, we recommend buying in advance and researching alternatives such as split tickets.
Departure | Arrival | Operator | Find Tickets |
---|---|---|---|
08:06 Heathrow Terminals 2 & 3 | 10:37 Cardiff Central | Elizabeth line![]() | Find Tickets |
08:17 Heathrow Terminals 2 & 3 | 10:37 Cardiff Central | ![]() ![]() | Find Tickets |
08:36 Heathrow Terminals 2 & 3 | 11:07 Cardiff Central | Elizabeth line![]() | Find Tickets |
08:47 Heathrow Terminals 2 & 3 | 11:07 Cardiff Central | ![]() ![]() | Find Tickets |
08:51 Heathrow Terminals 2 & 3 | 11:40 Cardiff Central | Elizabeth line![]() | Find Tickets |
09:17 Heathrow Terminals 2 & 3 | 11:40 Paris | ![]() ![]() | Find Tickets |
Heathrow Terminal 3 to Cardiff Train Route Details





How to book cheap train tickets from Heathrow Terminal 3 to Cardiff

Traveling in off-peak train times

Get 1/3 off with a Railcard

Split tickets to save an average extra 30%

Book in advance to save an average of 61%

Travel in a group to save 1/3
Heathrow Terminal 3 to Cardiff train ticket types
Here are different ticket types available for this route, each with their own benefits and restrictions. Here are the options to consider:
Off-peak & Super Off-peak tickets
These two types of tickets are specifically for use during off-peak and super off-peak hours, with cheaper prices.
Return train tickets
These are valid for both the outbound and return journey from the same destination on your chosen route.
Advance train tickets
Typically the most cost-effective option for train travel. They are usually available for purchase 12 weeks before the travel date.
Season train tickets
These allow unlimited travel between two stations and can save you over 1/3 on train fares.
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