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 2 May*
Sunday services Until Sunday 3 May*
Weekday services Until Friday 8 May*

GWR are now able to offer an extended booking period for weekday travel only for high-speed services operating to/from London Paddington (including the Night Riviera Sleeper service)

Reservations are available on these journeys on the following dates:

All weekdays until 15 May*

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