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Cardiff to London Kings Cross train prices and times

Planning a journey from Cardiff to London Kings Cross? Trip.com offers train tickets starting from as low as £35.50, with average prices for this route around £35.50. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

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DepartsArrivesDurationOperator
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05:07
Cardiff Central
07:46
London Kings Cross
2h 39m, DirectGreat Western Railway
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05:54
Cardiff Central
08:14
London Kings Cross
2h 20m, DirectGreat Western Railway
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06:24
Cardiff Central
08:46
London Kings Cross
2h 22m, DirectGreat Western Railway
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06:51
Cardiff Central
09:19
London Kings Cross
2h 28m, DirectGreat Western Railway
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07:23
Cardiff Central
09:42
London Kings Cross
2h 19m, DirectGreat Western Railway
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07:49
Cardiff Central
10:14
Paris
2h 25m, DirectGreat Western Railway
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Cardiff to London Kings Cross train route details

First train
First train
05:07
Last train
Last train
23:30
Departure station
Departure station
Cardiff
Arrival station
Arrival station
London Kings Cross
Journey time
Journey time
2h 17m
Distance
Distance
211 km
Price
Price
£35.50*
Train Operators
Train Operators
Great Western Railway

How to book cheap train tickets from Cardiff to London Kings Cross

Season Tickets for frequent travels

Season Tickets for frequent travels

For frequent travellers between Cardiff and London Kings Cross, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annually, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.
Network Railcard for Southeast England

Network Railcard for Southeast England

By purchasing a Network Railcard for only £30 per year, unlock incredible savings of up to 1/3 on every ticket for your travels within London and the South East. With this Railcard in hand, you can enjoy reduced costs on various ticket types, including Standard or Super Off-Peak Tickets.
Travelling in off-peak train times

Travelling in off-peak train times

Off-Peak train tickets are generally cheaper than peak-time tickets, allowing travel outside morning (06:30-09:30) and evening (16:00-19:00) rush hours on weekdays. If your schedule allows for flexibility, choosing off-peak times for your trip from Cardiff to London Kings Cross can result in significant cost savings.
Using the Railcard for 1/3 off

Using the Railcard for 1/3 off

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

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 travelling from Cardiff to London Kings Cross, 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%

Advance Tickets are usually released up to 12 weeks before the travel date and can be significantly cheaper than tickets purchased closer to departure. By planning your trip from Cardiff to London Kings Cross ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Group travels to save 1/3

Group travels to save 1/3

If you are travelling 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 travelling from Cardiff to London Kings Cross more affordable for families, friends, or colleagues planning a trip together.

Cardiff to London Kings Cross 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:

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