The hunt is on for the owners of more than 30 cars that have been dumped at Brisbane Airport.

There have been 33 cars dumped at the airport so far this past financial year, up from 17 and 13 in the past two years.

The hunt is on for the owners of 33 cars that have been at Brisbane Airport for more than 90 days. Credit:Glenn Hunt

Many of the cars that have been sitting at the airport for more than 90 days are vans and wagons, several are unroadworthy and six are missing numberplates.

A Brisbane Airport Corporation spokeswoman said there was no concrete reason for the number of dumped cars almost doubling in the past year.