In message , Dave
writes
Alp140671 writes
I want to buy a return ticket to Brighton that can be used at any time
over a longish period - 3 months would be ideal.

The longest ticket you'll get will be valid for a month. (For some
shorter journeys, all that will be available will be one-day or 5-day
tickets.)


Or you could get a three month season ticket so they could travel as
many times between Brighton and London as they want. But that could work
out quite expensive.
--
CJG