Put flour, salt and pepper in a resealable plastic bag; shake to mix.
Add chicken; close bag and shake to coat.
Heat oil in a large skillet over medium-high heat. Add the chicken and cook, turning breasts over once, about 6-8 minutes until chicken is cooked through completely. Remove to a platter.
Add broth and lemon juice to skillet. Cook, scraping up any browned bits on bottom of skillet, 2 minutes or until sauce is reduced slightly.