Ryanair carried a total of 10.4 million passengers in August, a record figure for the airline.
The figure was a 10% increase on the number of passengers Ryanair carried the same time last year.
The airline also said its load factor - how many seats are full on each flight - rose to 95% from 93% the same time last year.
Over the 12 months to August, the airline has carried 96.3 million passengers - a 15% increase on the previous year.
