You can choose to sail from Uig in Skye to Lochmaddy in North Uist or Oban/Mallaig to Lochboisdale in South Uist with Calmac.
You can also choose to fly to Benbecula Airport. There are flights daily from Glasgow to Benbecula. https://www.loganair.co.uk/en-gb/flights-from-benbecula-to-glasgow