StackSocial has the Dollar Flight Club Premium Plus+: Lifetime Subscription for $50 + $3 handling fee = $53 (coupons excluded). The Premium plan is also on sale for $43.

In addition to lifetime access to all the best flight deals to your favorite destinations, get perks & discounts up to 50% from Dollar Fight Clubs’ partners including Babbel, Scribd, Huckberry, Lonely Planet & more.