Just received this deal in my inbox:
This month only, get 3 months of Flywheel for free with any new annual plan!
Beat the sour WordPress experience and refresh your workflow with Flywheel. When you sign up for a new plan, you'll enjoy a hassle-free WordPress experience with tons of sweet perks like easy collaborator access, seamless billing transfer, and FREE migrations! Oh, and did we mention we’re offering 3 months of Flywheel hosting free with the purchase of any new annual plan? Just use the code "FLYJULY20" to get started.
Flywheel are a good quality hosting option that uses Google's Cloud Platform as their infrastructure.
There isn't a mention of expiry date on this deal, but I can only assume it is for the rest of July based off the coupon code.