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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 $39.84, with average prices for this route around $41.43. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • Fri, Jul 11
    From $39.84
  • Sat, Jul 12
    From $39.84
  • Sun, Jul 13
    From $39.84
  • Mon, Jul 14
    From $39.84
  • Tue, Jul 15
    From $39.84
  • Wed, Jul 16
    From $39.84
  • 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
$39.84*
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%

Splitting tickets involves buying separate, cheaper tickets for different parts of your journey on the same train instead of just one ticket for the entire trip. For instance, if you're traveling from Radlett to Cardiff, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket. This method is perfectly legal and often doesn't require leaving your seat.
Book in advance to save an average of 61%

Book in advance to save an average of 61%

Did you know that purchasing Advance Tickets can significantly reduce your travel expenses? On average, these tickets can save you an impressive 61% on fares. The best part is that the earlier you book (ideally up to 12 weeks in advance), the greater the savings!
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

There are various ticket types available for this route, each with different benefits and restrictions. Explore below to see which ticket type is best suited to your travel needs:

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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    Only pay for your train travel – no hidden fees

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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%.