Spray skillet with no-stick cooking spray. Add chicken; cook on medium heat until cooked through. Stir in 1/2 cup salsa and 1 cup cheese.
Spread 1 cup salsa in 13x9 baking dish. Place 1/4 cup chicken mixture down the center of each tortilla; roll up. Place tortillas, seam-side down, on salsa. Top with remaining 1/2 cup salsa and 1 cup cheese.
Bake at 350°F for 20-25 min, or until thoroughly heated.