Timetable
Train route
Cheap train tickets
  1. Trip.com
  2. Trains
  3. UK Trains
  4. Route
  5. Cathays to London St Pancras International Trains
UK Trains New User Gifts 2% off trains

  • 2% OFF

    Jun 19, 2024-Jun 20, 2026

    2% OFF UK Train New User Promo Code

    Jun 19, 2024-Jun 20, 2026

Cathays to London St Pancras International train prices and times

Planning a journey from Cathays to London St Pancras International? 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.

  • Wed, Sep 3
  • Thu, Sep 4
  • Fri, Sep 5
  • Sat, Sep 6
  • Sun, Sep 7
  • Mon, Sep 8
  • Tue, Sep 9
DepartsArrivesDurationOperator
Find Tickets
00:24
Cathays
07:46
London St Pancras International
7h 22m, No directTransport for WalesGreat Western Railway
Find Tickets
05:39
Cathays
08:14
London St Pancras International
2h 35m, No directTransport for WalesGreat Western Railway
Find Tickets
06:08
Cathays
08:46
London St Pancras International
2h 38m, No directTransport for WalesGreat Western Railway
Find Tickets
06:27
Cathays
09:19
London St Pancras International
2h 52m, No directTransport for WalesGreat Western Railway
Find Tickets
07:08
Cathays
09:42
London St Pancras International
2h 34m, No directTransport for WalesGreat Western Railway
Find Tickets
07:32
Cathays
10:14
Paris
2h 42m, No directTransport for WalesGreat Western Railway
Find Tickets
View More Trains

Cathays to London St Pancras International train route details

First train
First train
00:24
Last train
Last train
22:32
Departure station
Departure station
Cathays
Arrival station
Arrival station
London St Pancras International
Journey time
Journey time
2h 33m
Distance
Distance
212 km
Price
Price
£35.50*
Train Operators
Train Operators
Elizabeth line, Great Western Railway, Thameslink

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

Season Tickets for frequent travels

Season Tickets for frequent travels

Are you frequently traveling between Cathays and London St Pancras International on a weekly, monthly, or annual basis? Season Tickets provide unlimited travel during specific times, allowing you to freely hop on and off trains between two stations without worrying about individual ticket bookings, and offering significant savings in the process.
Network Railcard for Southeast England

Network Railcard for Southeast England

For only a small annual fee, you can save 1/3 on most fares in Southeast England, including routes in and out of London, with the Network Railcard. Covering both standard and off-peak tickets, this railcard is particularly beneficial for those who travel regularly within this region.
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 Cathays to London St Pancras International can result in significant cost savings.
Using the Railcard for 1/3 off

Using the Railcard for 1/3 off

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 travellers. 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 travelling from Cathays 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%

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!
Group travels to save 1/3

Group travels to save 1/3

If you are travelling 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 travelling from Cathays to London St Pancras International more affordable for families, friends, or colleagues planning a trip together.

Cathays to London St Pancras International train ticket types

Here are different ticket types available for this route, each with its 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 Cathays to London St Pancras International journey

  • Split Tickets

    National Rail Partners

    Official train ticket sellers with 5-star customer service

  • Split Tickets

    No Booking Fees on the App

    Only pay for your train travel – no hidden fees

Recommendations

  • Trains from Cathays

  • Trains to London St Pancras International

  • Popular Routes

  • Top Destinations

  • Popular stations

*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%.