Airlines' hand luggage policies can be tricky to navigate. After all, every airline has its own policy around what you can bring into the cabin for free, whether that be one small bag or two.
Get the rules wrong and it could prove costly, especially if you end up having to pay to check in a bag at the airport, or have to pay to get a bag placed in the hold.
To give you a helping hand we've put together a guide to various airlines' hand luggage rules including the likes of easyJet, Ryanair and British Airways.
It's worth noting that we've looked at general rules for hand luggage in economy - so if you've opted for premium or business class tickets, the rules may be a little different.
Read more on mirror.co.uk