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Cardiff to London St Pancras International Train prices and times

Planning a journey from Cardiff to London St Pancras International? Trip.com offers train tickets starting from as low as BHD 18.650, with average prices for this route around BHD 18.650. To ensure you get the most affordable fares, we suggest exploring alternatives like split tickets.

  • الثلاثاء, 2 سبتمبر
  • الأربعاء, 3 سبتمبر
  • الخميس, 4 سبتمبر
  • الجمعة, 5 سبتمبر
  • السبت, 6 سبتمبر
  • الأحد, 7 سبتمبر
  • الاثنين, 8 سبتمبر
DepartureArrivalDurationOperator
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16:50
Cardiff Central
19:11
London St Pancras International
2 hours 21 minutes, DirectGreat Western Railway
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17:18
Cardiff Central
19:45
London St Pancras International
2 hours 27 minutes, Changes requiredGreat Western RailwayElizabeth lineThameslink
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17:18
Cardiff Central
19:49
London St Pancras International
2 hours 31 minutes, DirectGreat Western Railway
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17:50
Cardiff Central
20:15
London St Pancras International
2 hours 25 minutes, Changes requiredGreat Western RailwayElizabeth lineThameslink
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17:50
Cardiff Central
20:19
London St Pancras International
2 hours 29 minutes, DirectGreat Western Railway
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18:18
Cardiff Central
20:50
Paris
2 hours 32 minutes, Changes requiredGreat Western RailwayElizabeth lineThameslink
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Cardiff to London St Pancras International 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 St Pancras International
Journey time
Journey time
2 hours 17 minutes
Distance
Distance
211 km
Price
Price
BHD 18.650*
Train operators
Train operators
Elizabeth line, Great Western Railway, Thameslink

How to book cheap train tickets from Cardiff to London St Pancras International

Season Tickets for frequent travel

Season Tickets for frequent travel

For frequent travelers between Cardiff and London St Pancras International, consider a Season Ticket, providing unlimited travel between specified stations for different durations, such as weekly, monthly, annual, or flexi. Alongside substantial savings, enjoy the convenience of not having to buy a ticket for each journey.
Network Railcard for South East England

Network Railcard for South East England

To save on train travel in South East England, consider getting a Network Railcard. For a £30 annual fee, this railcard offers 1/3 off most fares, including routes to and from London. Whether for standard or off-peak tickets, it's highly advantageous for frequent travelers within this region.
Traveling in off-peak train times

Traveling in off-peak train times

We recommend buying train tickets from Cardiff to London St Pancras International 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

You can choose a Railcard to help you save up to 1/3 on fares from Cardiff to London St Pancras International for various reasons, such as your age (including the 16–25 Railcard or Senior Railcard) or options geared towards group travel (Family & Friends Railcard and Two Together Railcard). Discover more 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 Cardiff to London St Pancras International, 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 St Pancras International ahead of time and securing your tickets early, you can save up to 61% on the cost of your travel.
Travel in a group to save 1/3

Travel in a group to save 1/3

If you are planning a trip with a group of three to nine people, take advantage of ⅓ off standard fares with group travel discounts, offered by many train companies, perfect for journeys with your family, friends, or colleagues.

Cardiff to London St Pancras International 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

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  • Split Tickets

    Split Tickets

    Save an average of 30% on train fares by splitting your Cardiff to London St Pancras International journey

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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%.