trip (an act of traveling from one place to another for pleasure or a particular purpose): Did you enjoy your trip to the seaside?
journey (an act of traveling from one place to another, especially over a long distance): I have to equip myself for this journey.
voyage (a long journey, either by sea or in space): We set off on our voyage to America.
tour (a journey for pleasure during which you visit several places): We went on a 10-day tour of Italy.
outing (a short trip that a group of people take for enjoyment): They went on an outing to the beach.
expedition (an organized journey, especially to a dangerous or unfamiliar place): The researchers are planning an expedition to the South Pole.
excursion (a short trip that a group of people take for pleasure): We’re going on an excursion next week.
cruise (a journey by sea, visiting different places as a vacation): They are going on a cruise down the Nile.
trek (a long, difficult journey, especially one made by walking): We did a ten-hour trek through the snow.