I've been a fan of the Crossrock cases. I've owned 2 of their fiberglass models for years. The cases have gone almost everywhere with me except for air travel. Still work great!
They just came out with some Carbon Fiber cases that I'd jump on if I did any air travel
2015 Cordoba GK Pro Negra
2017 Cordoba C-10 Cedar
2003 Froggy Bottom H-12 Deluxe