Uber jacks up prices in "airport zones" to an insane degree. For example an Uber from Seattle to Sea-Tac is about $75. I rented a car in Portland, drove up to Seattle for the weekend, and drove myself to the airport for $60. An Amtrak ticket from Portland- Seattle is around $40 usually.

This doesn't work everywhere, but when I'm flying back into PDX (the best airport) I'll take the light rail public transit two stops and get a ride share from the Target parking lot. Ends up being about half the price once you're far enough away.