An excursion is a trip by a group of people, usually made for leisure

Leisure

Leisure, or free time, is time spent away from business, work, and domestic chores. It is also the periods of time before or after necessary activities such as eating, sleeping and, where it is compulsory, education....

, education

Education

Education in its broadest, general sense is the means through which the aims and habits of a group of people lives on from one generation to the next. Generally, it occurs through any experience that has a formative effect on the way one thinks, feels, or acts...

, or physical

Physical

Physical may refer to:*Body, the physical structure of an organism**Human body, the physical structure of a human*Physical abuse, abuse involving contact intended to cause feelings of intimidation, injury, or other physical suffering or bodily harm...

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.

Short excursions for education or for observations of natural phenomena are called field trip

Field trip

A field trip or excursion, known as school trip in the UK and school tour in Ireland, is a journey by a group of people to a place away from their normal environment...

s. One-day educational field studies are often made by classes as extracurricular exercises, e.g. to visit a natural or geographical feature.

The term is also used for short military movements into foreign territory, without a formal announcement of war.