Advance Single fares

Book early to get our cheap train tickets.

Reservations for GWR West local services, including Cardiff - Portsmouth, are now open as the following:

Service Availability
Saturday services Until Saturday 13 June*
Sunday services Until Sunday 14 June*
Weekday services Until Friday 19 June*

GWR are now able to offer an extended booking period for weekday travel only for high-speed services operating to/from London Paddington

Reservations are available on these journeys on the following dates:

All weekdays until 27 August*

We don't expect our timetable to change on these dates, but check your journey 4 weeks before you travel.