Nothing can ruin a flight faster than a bout of motion sickness. Set yourself up for success by making sure everyone eats a light meal or snack before boarding. Consider packing crackers or other snacks to soothe small tummies on the plane. If your children are prone to motion sickness or this is their first flight, choose seats above the wings for maximum stability. Antihistamines and other medications can also help reduce motion sickness, but check with your doctor first to ensure these medicines are safe for your kids. One final trick: Have your children wear sunglasses on the plane to reduce their field of vision and stop the nausea and dizziness that can sometimes come with air travel.