Ronaldsway Airport says almost nine per cent fewer passengers used it in October compared to last year.
The latest statistics from the Castletown facility show 54,680 people went through it last month - in 2023, that figure was 59,801.
Overall, however, the figures show a one per cent increase in total passengers over the course of the year so far.
The data also shows there's been a 15 per cent drop in the number of aircraft at Ronaldsway.