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Explore cheap prices from Heathrow Terminal 5 to Cardiff

Here are this week's cheapest tickets from Heathrow Terminal 5 to Cardiff, along with train details. Our users discover these prices, which are updated daily. Given the frequent price changes, please refer to the latest update.

Find cheapest train
This train is sold out. View full timetable and prices.
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£48.40
الاثنين22سبتمبر
Find cheapest train
This train is sold out. View full timetable and prices.
Go
£48.40
الثلاثاء23سبتمبر
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This train is sold out. View full timetable and prices.
Go
£48.40
الأربعاء24سبتمبر
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This train is sold out. View full timetable and prices.
Go
£48.40
الخميس25سبتمبر
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This train is sold out. View full timetable and prices.
Go
£48.40
الجمعة26سبتمبر
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This train is sold out. View full timetable and prices.
Go
£48.40
السبت27سبتمبر
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This train is sold out. View full timetable and prices.
Go
£48.40
الأحد28سبتمبر
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Prices may change due to real-time fluctuations. Please refer to the latest price.

Heathrow Terminal 5 to Cardiff Train prices and times

Looking to travel from Heathrow Terminal 5 to Cardiff? You can buy train tickets with Trip.com for as low as £48.40, with average prices for this route around £48.40.

To get the best deals, we recommend buying in advance and researching alternatives such as split tickets.

View More Trains
DepartureArrivalOperator
Find Tickets
11:12
2 hours 23 minutes, Changes required
Heathrow Terminal 5
13:35
Cardiff Central
Heathrow ExpressGreat Western Railway
Find Tickets
11:20
2 hours 47 minutes, Changes required
Heathrow Terminal 5
14:07
Cardiff Central
Elizabeth lineGreat Western Railway
Find Tickets
11:27
2 hours 40 minutes, Changes required
Heathrow Terminal 5
14:07
Cardiff Central
Heathrow ExpressGreat Western Railway
Find Tickets
11:50
2 hours 46 minutes, Changes required
Heathrow Terminal 5
14:36
Cardiff Central
Elizabeth lineGreat Western Railway
Find Tickets
12:12
2 hours 24 minutes, Changes required
Heathrow Terminal 5
14:36
Cardiff Central
Heathrow ExpressGreat Western Railway
Find Tickets
12:20
2 hours 49 minutes, Changes required
Heathrow Terminal 5
15:09
Paris
Elizabeth lineGreat Western Railway
Find Tickets

Heathrow Terminal 5 to Cardiff Train Route Details

First train
First train
00:07
Last train
Last train
22:57
Departure station
Departure station
Heathrow Terminal 5
Arrival station
Arrival station
Cardiff
Journey time
Journey time
2 hours 19 minutes
Distance
Distance
186 km
Price
Price
£48.40*
Train operators
Train operators
Heathrow Express, Elizabeth line, CrossCountry

How to book cheap train tickets from Heathrow Terminal 5 to Cardiff

Traveling in off-peak train times

Traveling in off-peak train times

Taking advantage of Off-Peak train tickets is another effective way to save on your train journey from Heathrow Terminal 5 to Cardiff. These tickets are generally cheaper and can be used during quieter periods, typically outside of morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays.
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 Terminal 5 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 Terminal 5 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, be sure to check out group travel discounts. Many train companies offer a ⅓ off standard fares for groups of three to nine people, making traveling from Heathrow Terminal 5 to Cardiff more affordable for families, friends, or colleagues planning a trip together.

Heathrow Terminal 5 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 Terminal 5 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%.