Add the quinoa, chickpeas, cucumber, bell pepper, red onion, kalamata olive, sun-dried tomatoes, basil, and feta to a large bowl.
In a separate small bowl, whisk together the olive oil, lemon juice, dried oregano, salt, and black pepper until combined.
Pour the dressing over the salad and toss to combine. Enjoy immediately or store in an airtight container in the fridge for up to 4 days.