It banked $406.3m last month, according to Canal Authority spokesman Mahmud Abdel Wahab.
Improvement has been put down partly to discounts offered to certain classes of ship, such as LNG carriers and vessels carrying goods from China.
About 7.5% of global trade passes through the canal.
It opened in 1869 and is Egypt's third largest source of revenue, after tourism and remittances from expatriate workers.