There are two (2) ways to enter:

1 - Automatic Entry: An Eligible Participant will automatically receive one (1) Sweepstakes entry for each eligible purchase made with an eligible United MileagePlus Chase credit card during the Promotional Period at a participating merchant location in the U.S. Only eligible United MileagePlus Chase credit card purchases, or payments made with an eligible United MileagePlus Chase credit card that is not in default under the customer agreement for that account and issued by Chase Bank U.S.A., N.A. processed through Visa U.S.A. Inc.'s or MasterCard's transaction-processing system during the Promotional Period are eligible for automatic entry ("qualified purchase"). In the event of a dispute as to who submitted a particular cardmember entry, such entry will be deemed to be submitted by the primary person in whose name the card used to enter the Sweepstakes was issued. ATM transactions, account adjustment transactions/returns, cash advances, balance transfers, non-U.S.-dollar purchases, Interlink®-processed transactions, purchases authorized by entering a PIN (Personal Identification Number), and payment of late fees or over-limit fees are excluded from automatic entry. Other restrictions and exclusions may apply. United MileagePlus Chase credit cards or card numbers that are stolen, fraudulent, tampered with, or otherwise altered are not eligible for automatic entry. Automatic entries must be made by 11:59:59 PM PT on 9/30/16, in order to be eligible.

2 - Non-Purchase Entry: Log on to https://www.billionmilegiveaway.com and follow the on-screen entry instructions to be entered. Enter as often as you wish, however, each entry must be manually key stroked. Non-Purchase Entries must be received by 11:59:59 PM ET on 9/30/16. To enter via this method, entrant must also be a member of the United MileagePlus® program as noted above.