How to book your flight
1. Use the United app. You'll only get this discount when booking flights on our app. ...
2. Sign into your MileagePlus® account. Or sign up for free if you don't have one.
3. Select “Book” on the bottom navigation bar.
4. Select “Discounted travel (ages 18-22)”.
Discounted flights for 18 to 22 year olds - United Airlines www.united.com > ual > fly > mileageplus > promotions > young-traveler
Promo Codes: How to find them Most airlines will list their current sales, including promo codes, on a specific page of their site. To find them look for a 'Plan/Book Travel' or 'Explore' (or similar) tab and you should be able to find a section for 'Travel/Flight Deals and Offers'.
Airline Promo Codes: A Complete Guide 2019 | Skyscanner US
www.skyscanner.com > tips-and-inspiration > airline-promo-codes
You may redeem or view travel certificate details at united.com by clicking on Deals & Offers, Promotional certificates, and entering the promotion code and PIN in the offer code box. You can also call United at 800-UNITED-1 (800-864-8331). A fee may apply for redemption via telephone.
Redeem Promo Codes or Travel Certificates | United Airlines
www.united.com > ual > fly > booking > flight > offer-code
Yes, you can spend your United Airlines flight credit on someone else. ... If you hope to spend your flight credit with someone else, you'll need to first convert it to a travel certificate.
United Airlines flight credit: How to make the most of it after the pandemic
www.elliott.org > united-airlines-flight-credit-travel-certificate-guide