From now until July 15, 2021, only 40 domestic flights operated by Vietnam Airlines with VN carrier code (instead of 50) are required for Lotusmiles members to qualify for Platinum Membership; 20 domestic flights (instead of 30) for Gold Membership; and 10 domestic flights (instead of 20) for Titanium Membership. The offer applies to booking classes S, M, B, Y, U, Z, W, I, D, C and J.