A travel expert has warned passengers are making a mistake with their hand luggage on certain airlines – and it could end up costing them more money than they realise Get the latest top news stories sent straight to your inbox with our daily newsletter We have more newsletters Get the latest top news stories sent straight to your inbox with our daily newsletter We have more newsletters If you're travelling on a budget and opting for a cheaper airline, you may only be packing hand luggage to avoid the extra cost of checking in a suitcase. However, this means you need to be particularly careful about the size of your bag, which might require you to swap your small suitcase for something a bit more flexible. TikTok travel guru @cheapholidayexpert has warned if you're flying with RyanAir, easyJet, or Wizz Air, "the staff will see the wheels and think straightaway that that bag is too big.

"And the truth is, it probably is", she added. The dimensions you "have to fit to get your bag on for free" could be quite a bit smaller than you'd expect and possibly much tinier than your 'small' suitcase. READ MORE: One kitchen ingredient makes musty towels fresh again – but it's not what you would expect READ MORE: 'My simple 10-minute recipe helps me and my husband stay fit and lean' The travel buff then showed how bags you might assume are acceptable as carry-on luggage actually don't fit into the designated compartment.

This leaves you vulnerable to shelling out more cash at the airpo.