Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Are you a smartphone or tablet-owning United MileagePlus member between the ages of 18 and 22? Ding ding ding — you qualify for an oddly specific new United promotion!Now through Jun. 30, 2020, United Airlines is offering young-adult flyers an opportunity to save 10% on paid fares booked through the carrier’s mobile app.The discount applies to economy and basic economy tickets. (Photo by Katie Genter / The Points Guy)In addition to the age and app-booking requirements, you’ll need to meet the following qualifications as well:Travelers must be MileagePlus membersYour MileagePlus account must include your date of birthReservations must be booked for one passengerYou must travel within the US, Canada, Mexico or “certain international destinations"Travel may be in economy or basic economyFlights can depart after the deadline, but you must book by Jun. 30, 2020, and you must be 18-22 years old at the time of booking.