Both of the programs, Qatar Privilege Club and Aegean Miles & Bonus are offering bonus miles for the sign-up of new customers.
Qatar Privilege Club
You will receive 2500 Qmiles for free, just by registering a new account.
Furthermore, you will receive an additional 5000 bonus miles + 50 QPoints after your first flight.
All you have to do is register a new account and use the promo code: OALQ320T12.
Join with the enrollment code before December 31, 2020.
Travel before 31st March 2021 to take advantage of the additional 5000 Qmiles & 50 Qpoints.
All Qatar Airways Qsuite routes can be found here.
At Aegean, you will receive 5000 Bonus miles as well as 1000 status miles upon registration via the link below.
Sign up before December 01 to receive your bonus miles.