I would be very hesitant in moving Frost, he's a superstar in the making.

Two words. Carter Hart.

Carey Price may be a great goalie but that contract that comes with him is horrendous. I want no part of it. Also the Flyers need Sanheim to help fix the other problem, their defense. Sanheim will be on the team this year and Frost may very well force his way onto the team this year.

Holmgren had this same win now mindset and it lead the flyers into years of cap hell.
Price will be 31 when the season starts.
He's a great goalie, but realistically he may have four years where he lives up to the contract he's on, then the flyers are back in cap hell all over again with players paid twice their worth for several years.
The team needs better overall defence and depth.
When that happens the goalies won't have to be superstars for the team to have prolonged success.
Trading away two young emerging two way players would set back hextall's plan, and hurt the organisational depth a ton.
The team is also over the cap with potential bonuses, that all very likely could be attained.