If you're unfamiliar with Hopper, here's how it works: You tell the app where you want to go, and it shows you a calendar with price breakdowns for round trip flights on different dates. You select the round trip flight you want, and you can either choose to book now or watch the trip.

Is booking through hopper reliable?

Hopper claims 95% accuracy on their predictions. So while they may be right most of the time, they don't have the answers all of the time. ... They do, however, claim 95% accuracy in their flight cost predictions. If you set up a watch on the Hopper app, they'll notify you when they think is the right time to buy.

Does Hopper charge a fee?

Hopper does not charge any fees to make changes to your booking.