All terms in this list:
excursion: A brief recreational trip; a journey out of the usual way
journey: A set amount of travelling, seen as a single unit; a discrete trip, a voyage.
travel: The act of travel(l)ing
voyage: A long journey; especially by ship.
tour: A guided visit to a particular place, or virtual place.
cruise: A sea voyage, especially one taken for pleasure.
package holiday: A holiday that consists of transport and accommodation advertised and sold together by a vendor known as a tour operator
hiking: walking in the countryside for pleasure or sport
trip: A short journey
outing: A pleasure trip or excursion, usually outdoors