Some Arriva bus fares, including the Discover North Northumberland day ticket, will increase from January 5.
Most adult Zonal day tickets will rise by just 10 or 20 pence and weekly tickets by 50p, with some single and return fares seeing rises of 10p and 20p respectively.
Nick Knox, area managing director for Arriva North East, said: “We are committed to providing value for money fares and high service standards. However, continuing inflationary cost pressures mean that we need to revise some fares this January.
“We recognise that the current economic climate is tough for all, and therefore we have kept any increases to a minimum, with many fares remaining unchanged.
“Most adult fares below £3 have been frozen, with many of these fares now remaining the same as at the start of 2012. We have also frozen all child fares across the region.”