Add the broth, chicken, noodles, frozen vegetables, and seasonings to the instant pot. Stir to combine and make sure pasta is down in the broth.
Place lid on and cook on manual for 10 minutes. Then do a manual release. If white stuff start to come out to the release button. Close and give a minute and reopen. You may need to do this a couple of times.
Remove lid and mix in half and half and cream cheese. Stir together and let sit on warm for 5 minutes stirring occasionally until cream cheese is melted. Serves 6.