Hit me closer to when your coming up. I'll make some suggestions then depending on time of year and local skuttle butt.
I like going North of Anchorage. Almost never go south, esp. in the summer. To much hustle and bustle for me. I refuse to fish where I need to stand shoulder to shoulder. The Kenai River salmon runs depend on the commercial fishing in the Cook Inlet. I can't tell you when the King Salmon fishing died on the Kenai but over the past few years, it is all but gone. On the other hand the Red runs in the Kenai have been fantastic in the past years but again dependent on the commercial fishing openers and closures.
The streams north of Wasilla to Cantwell offer class A trout fishing. Easy to walk in from the road and could be real good for salmon depending on runs. The sights are free but most travel off the man roads are going to cost you, depending on how you go. Plenty to do and see in this very big country.
If I am around I can take you on a boat ride up the Knik River. I'll know if the fishing is good on the Knik or a waste of time but the views up in the lakes are killer and it's where we hunt.
Easy to find me. Just Google Anchorage Go Devil