In a large mixing bowl, combine the shredded cabbage, sliced cucumber, and red onion.
In a separate small bowl, whisk together the apple cider vinegar, olive oil, honey, salt, and pepper until emulsified.
Pour the dressing over the vegetables.
Toss thoroughly to ensure all ingredients are evenly coated.
Fold in the chopped fresh dill.
Let the salad sit for 10 minutes before serving to allow flavors to meld.