On some occasions, the charge may not post to your bank statement right away. Not to worry though! Processing times for your financial institution may vary but the charge should appear within a few days.
Whenever a booking has been confirmed and ticketed by the airline, you will receive a confirmation email from Hopper titled "Your Hopper receipt and itinerary." Your confirmation email will include all of the details of your upcoming trip, as well as the breakdown of fees:
You can also access any confirmed itineraries under "Trips" in the app.
If you have not received a Hopper confirmation of your booking, you may have encountered an error while booking in the app.