The net cost of running Ronaldsway airport has risen by almost 70 per cent in the last three years, according to government figures.
When Tynwald sits in January, members will consider a report about the future of air services to and from the Island.
The report shows since 2022 spending on the airport has risen from £9.2 million to £11.8 million - while income has fallen to around £4.6 million over the same period.
The document also says government earns up to £20 for every passenger using Ronaldsway