If you're always on the lookout for cheap holiday deals , then you may want to take note of a little-known TUI trick revealed by insiders at the holiday giant. In fact, according to TUI UK’s Commercial Director Chris Logan, it could help you snap up return flights from £30 to a number of holiday hotspots including Spain, Greece, Portugal and Turkey. You'll need to book just a few weeks before departure - and according to Chris it can work on long-haul holidays like the Caribbean, Mexico and