Gather fresh ingredients for the salad. Dice mango, cube cucumber, slice bell pepper, chop onion, and mince cilantro.

In a medium bowl, whisk together lime juice, fish sauce, honey, and chili flakes.

In a large bowl, combine mango, cucumber, bell pepper, onion, and cilantro. Toss gently.

Pour dressing over salad and toss gently to coat.

Let the salad rest at room temperature for about 10 minutes.

Serve the salad chilled or at room temperature, optionally garnished with cilantro.