All Alaska Rentals are funky
Most charge drop fees
Most are cheaper in town.
Others do strange things to like enterprise no executive club points in town but ok at airport. It's also the first suburban I've ever rented with the basic work uk package.
If your rental conformation showed one way rental from downtown to airprt then I'd expect them to honor it. If you booked a round trip rental good luck.
There are other independents who own their car. Example Cayce, sc ... Capital u drive it llc. And boy do they have a nice selection of well equipped cars but the drop fees are often 400 or more out of town.... Ie cost to ship them back home with a carrier... Ad not reservable online in many cases.
But not common...