Frost, chosen in the first round (No. 27) of the 2017 NHL Draft, will be the center on a line with Claude Giroux and Travis Konecny. He was recalled from Lehigh Valley of the American Hockey League on Monday after getting 12 points (five goals, seven assists) in 16 games.
The Flyers are 0-1-2 in their past three games after winning four in a row. They're coming off a 4-3 shootout loss to the New York Islanders on Saturday.
Florida is 5-2-1 in its past eight games, including a 4-3 victory against the New York Rangers on Saturday that made Joel Quenneville the second coach in NHL history with 900 wins (900-536-142 with 77 ties).