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Radlett to Cardiff Train prices and times

Planning a journey from Radlett to Cardiff? Trip.com offers train tickets starting from as low as $39.81, with average prices for this route around $41.40. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Fri, Jul 11
    From $39.81
  • Sat, Jul 12
    From $39.81
  • Sun, Jul 13
    From $39.81
  • Mon, Jul 14
    From $39.81
  • Tue, Jul 15
    From $39.81
  • Wed, Jul 16
    From $39.81
  • Thu, Jul 17
DepartureArrivalDurationOperator
Find Tickets
03:01
Radlett
08:05
Cardiff Central
5h 4m, Changes requiredThameslinkGreat Western Railway
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05:11
Radlett
08:39
Cardiff Central
3h 28m, Changes requiredThameslinkElizabeth lineGreat Western Railway
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05:56
Radlett
09:35
Cardiff Central
3h 39m, Changes requiredThameslinkElizabeth lineGreat Western Railway
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06:16
Radlett
10:16
Cardiff Central
4h 0m, Changes requiredThameslinkElizabeth lineGreat Western Railway
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06:27
Radlett
10:25
Cardiff Central
3h 58m, Changes requiredThameslinkElizabeth lineGreat Western RailwayCrossCountry
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06:57
Radlett
10:37
Paris
3h 40m, Changes requiredThameslinkElizabeth lineGreat Western Railway
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Radlett to Cardiff Train Route Details

First train
First train
03:01
Last train
Last train
22:27
Departure station
Departure station
Radlett
Arrival station
Arrival station
Cardiff
Journey time
Journey time
3h 22m
Distance
Distance
125 miles
Price
Price
$39.81*
Train operators
Train operators
Elizabeth line, CrossCountry, Great Western Railway

How to book cheap train tickets from Radlett to Cardiff

Traveling in off-peak train times

Traveling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (6:30 AM–9:30 AM) and evening (4:00 PM–7:00 PM) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Radlett to Cardiff can result in significant cost savings.
Get 1/3 off with a Railcard

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 catering to specific groups of travelers. You can discover more about 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 Radlett 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 Radlett 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 Radlett to Cardiff more affordable for families, friends, or colleagues planning a trip together.

Radlett 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 Radlett to Cardiff journey

  • Split Tickets

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    Official train ticket sellers with 5-star customer support

  • 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%.