British Airways The 30-year-old founder of Jack's Flight Club spends his time monitoring the web for the best deals. However, Jack Sheldon says there are three hacks anyone can use to find a good price. Working around summer holidays in other countries is a good place to start. You can also save big by adding a stopover in a European city — or by flying with a chartered airline. Spending every day monitoring and tracking flight prices certainly teaches you a thing or two about finding a cheap deal. That's according to 30-year-old Texas-born Jack Sheldon, the founder of subscription newsletter Jack's Flight Club.See the rest of the story at Business InsiderNOW WATCH: How a $9 billion startup deceived Silicon ValleySee Also:The 10 most pet-friendly airlines14 people share their worst hotel horror stories — and they'll make you want to cancel your next vacation5 optical illusions you can actually visit in real life