First of all, I would book directly with the airlines, or with something called "Hoptoit", which is an app, that will search for the best air prices, but does not "sell the tickets" Beware of ticket sellers/ third party vendors. JustFly will play games, and claim hidden fees. When I saw the "cheap tickets, and paid using my debit card, they charged my card, and then send me an email, that I still needed to pay $23 dollar "transportation fees". There is no "refund within 24 hours rule", since that is an airline rule, and you are not buying from an airline. Do not book with JustFly. They will charge you hidden fees.