An excursion is a trip by a group of people, usually made for leisure or educational purposes. It is often an adjunct to a longer journey or visit to a place, sometimes for other (typically work-related) purposes.

Public transportation companies issue reduced price excursion tickets to attract business of this type. Often these tickets are restricted to off-peak days or times for the destination concerned.

An excursion can be used as a platform to promote greater interpersonal interaction, facilitate connectivity and mutual understanding in an informal setting. It also provides an opportunity for students to share space and resources and to practice adjusting to others.