Can I fly to Alaska with a passport card? Or do I need a passport book?

Alaska is in the U.S if born here your ok to go

Alaska is U.S.

Yes, you can use passport card to Alaska

Correct passbook card allowed to Alaska

Birth certificate will work

Alaska is part of U.S. territory. If you weren't born here you wld use your passport.... if you have further questions call the Passport Division, or Google...everyone here giving you responses is correct.