In a medium saucepan, bring the water and quinoa to a boil. Reduce the heat to medium-low, cover, and simmer until the quinoa is tender and the water has been absorbed, 10 to 15 minutes. Set aside to cool.
Meanwhile, in a small bowl, whisk together the olive oil, lemon juice, red wine vinegar, garlic, cumin, salt and red pepper flakes.
In a large bowl, combine the quinoa, tomatoes, chickpeas and green onions. Pour the dressing over the quinoa mixture; toss to coat, Stir in the parsley; season with salt and pepper.