To make the dressing, combine the olive oil, lemon juice, garlic, salt, and pepper in a small bowl or jar. Whisk until well combined.
Place the cooked quinoa in a large bowl. Add the chickpeas, cucumber, red onion, parsley, mint, dill, and feta cheese. Drizzle in the lemon dressing and stir until combined. Season with salt and pepper, to taste. Serve.
Note-follow the package instructions to cook the quinoa.