Here is my 8 day trip for July. (2 nights in Denali, 3 nights in Seward and 3 in Anchorage, Travelling with wife and 4 yr old)
Day 1: Arrive 5:30am, Drive to Denali
-Stopover at Talkeetna for Denali grand tour with glacier landing (If weather is good)
-Checkin at Denali Bluffs
-Visit Denali national park/Visitor center till Mile 15. (Mile 9 is Mt. viewpoint)
-Husky Homestead tours

Day 2: Denali National park Tour : 4 hour oneway to Eielson Visitor Center shuttle

Day 3: Drive from Denali to Seward
-Stopover at Talkeetna for Denali grand tour with glacier landing (If missed on day one)

Day 4:Kenai Fjords 7.5 hr National Park Cruise
Spend evening at Resurrection Bay

Day 5:Exit glacier tour
-Alaska Sealife Center
-Dog sled ididaride

Day 6: Drive to Anchorage from Seward with all stopovers
-Exit Glacier Road Turnoff
-Portage Turnoff Mile at Portage Valley Highway/Whittier
-Portage Glacier cruise
-Alaska Wildlife Conservation tour
-Alyeska Resort: Alyeska Aerial Tram to Mt. Alyeska

Day 7: Day trip to Matanuska Glacier
-Visit Independence Mine and Hatcher Pass Summit after Plamer (Only 1.8 miles from Independence mine on unpaved road)
-Musk-Ox farm tour
-Raindeer farm tour

Day 8:-Arctic Valley Road
-Eagle river Natural Center
-Thunderbird Falls
-Eklutna Village and Lake Eklutna
-Local Anchorage sightseeing
-Flattop Mountain Trail Hike?
Return home from midnight flight.
Any suggestions?