Don’t forget that you’ll need to get them before the cut-off time. Here’s a look at how you can buy Mega Millions tickets online or with an app. If you want to play without having to visit a physical location or retail store to buy a ticket, how can you buy tickets online? Some states make this process easier than other states. The Mega Millions drawing has now reached $940 million for the Friday, Janudrawing. A customer purchases a Mega Millions lottery ticket at a 7-Eleven store in the Loop.