That's the part that I find confusing. The email says that the bonus miles are applicable but I don't see it in the T&C for Frontier's actual site.

Email Portion:

1. $29 PERKS and $49 WORKSAvailable only for new bookings and requires a 21 day advanced purchase; applicable for all days of week when booked by 11:59pm Eastern time on July 20, 2023 for flights through Nov. 15, 2023. The following blackout dates apply: Sep. 5, 2023, Oct. 10, 2023. Price shown is per person, per direction.

PERKS only available at flyfrontier.com. Must purchase a Perks bundle that includes a personal item, carry-on bag, one checked bag, and seat selection. Must be logged in with a valid FRONTIER Milessm account at time of purchase to receive 2x bonus miles. Bonus miles are non-qualifying.

WORKS available at flyfrontier.com. Must be logged in with a valid FRONTIER Milessm account at time of purchase to receive 3x bonus miles. Bonus miles are non-qualifying.