Pulse parsley, cilantro, garlic, salt, oregano, and red pepper flakes in a food processor until smooth. Add lime juice and olive oil and pulse until well combined.
Add the chimichurri sauce and avocado to a large bowl and stir gently to combine.
Serve with tortilla chips.
Keyword Avocados, Dips, Easy, No Cook, Salsa, Side Dishes, Spicy