Earning airline miles only by flying will not be good enough to collect rewards if you are not a frequent flier of the same airlines. But there are many other ways that help people to earn United MileagePlus miles without flying. You don’t need to buy anything or spend on unnecessary programs, just have to use the Airline’s partner services to earn the miles. United MileagePlus has several such programs that offer bonuses opportunity where you can get miles even without flying in the flights. Here are some ways to earn United MileagePlus miles effectively.