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Heathrow Airport to Cardiff Train prices and times

Planning a journey from Heathrow Airport to Cardiff? Trip.com offers train tickets starting from as low as €25.87, with average prices for this route around €64.86. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Tue, Sep 9
    From €44.24
  • Wed, Sep 10
    From €44.24
  • Thu, Sep 11
    From €44.24
  • Fri, Sep 12
    From €47.12
  • Sat, Sep 13
    From €25.87
  • Sun, Sep 14
    From €47.12
  • Mon, Sep 15
    From €44.24
View More Trains
DepartureArrivalOperator
Find Tickets
22:02
3h 32m, Changes required
Heathrow Terminals 2 & 3
01:34
+1
Cardiff Central
Heathrow ExpressGreat Western Railway
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22:25
3h 9m, Changes required
Heathrow Terminals 2 & 3
01:34
+1
Cardiff Central
Elizabeth lineGreat Western Railway
Find Tickets
22:47
7h 34m, Changes required
Heathrow Terminals 2 & 3
06:21
+1
Cardiff Central
Heathrow ExpressGreat Western RailwayCrossCountry
Find Tickets
22:51
7h 30m, Changes required
Heathrow Terminals 2 & 3
06:21
+1
Paris
Elizabeth lineGreat Western RailwayCrossCountry
Find Tickets

Heathrow Airport to Cardiff Train Route Details

First train
First train
00:04
Last train
Last train
22:51
Departure station
Departure station
Heathrow Airport
Arrival station
Arrival station
Cardiff
Journey time
Journey time
2h 14m
Distance
Distance
118 miles
Price
Price
€25.87*
Train operators
Train operators
Heathrow Express, Elizabeth line, CrossCountry

How to book cheap train tickets from Heathrow Airport to Cardiff

Traveling in off-peak train times

Traveling in off-peak train times

We recommend buying train tickets from Heathrow Airport to Cardiff during off-peak hours. These times are usually before 06:30, between 09:30 and 16:00, and after 19:00 on weekdays, as well as all day on weekends and bank holidays. Choosing Off-Peak train tickets means benefiting from cheaper fares and less crowded trains, making your journey more enjoyable.
Get 1/3 off with a Railcard

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards catering to different types 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%

Split tickets to save an average extra 30%

Another option to consider is splitting your tickets, which can save you around an extra 30% on fares. Instead of purchasing a direct ticket from Heathrow Airport to Cardiff, you can split the route into two legs: A to C and C to B. This often turns out to be more affordable than buying a direct ticket, and you won't even need to leave the train… or often your seat!
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Advance Tickets are typically released up to 12 weeks before the travel date and can offer significant savings compared to tickets purchased closer to departure. By planning your trip from Heathrow Airport to Cardiff ahead of time and booking your tickets early, you can potentially save up to 61% on your travel expenses.
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are traveling in a group of three to nine people, take advantage of group travel discounts, offered by most train companies, for a discount of up to 1/3 on standard fares. This can make traveling from Heathrow Airport to Cardiff more affordable for families, friends, or colleagues planning a trip together.

Heathrow Airport 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:

Why Book Train Tickets With Trip.com?

  • Split Tickets

    Best price promise

    If you find trains for a cheaper price elsewhere, let us know and we'll refund the difference*

  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Heathrow Airport to Cardiff journey

  • Split Tickets

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  • Split Tickets

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Recommendations

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*After comparing the full year of 2023 for SplitTickets and full-price tickets on Trip.com, the average savings rate for SplitTickets is 30%.