Advance: These tickets are bought in advance of travel (subject to availability). Advance tickets are Single (one-way) fares offering great value for money on longer distance journeys.
Off-Peak: These cheaper tickets are valid on services at quieter times of the day, and all day at weekends. Restricted times vary by journey, and will be advised to you when you purchase your ticket.
Super Off-Peak: These are the cheapest tickets you can buy on the day and are available for selected journeys. They are not valid for travel at busy times of the day, but are valid at all times at weekends. Restricted times vary by journey, and will be advised to you when you purchase your ticket.
Anytime: There are no restrictions on these tickets. These are the most flexible walk-up fares: there are no time restrictions at all and are suited to people who need complete flexibility.
The above restrictions apply to Chiltern Railways and other operators have different restrictions and prices.