There are several alternatives for the noun trip.

Journey

The word journey is usually countable. A journey is a trip from one place to another. A journey can be long or difficult.

• The journey was quite exhausting.
• Did you have a good journey?
• Although the journey was pleasant, it was too long.

Travel

Travel is usually uncountable. It means ‘traveling in general’.

Travel has a plural form – travels

The word travels is used to refer to a number of trips undertaken over a period of time.

• He is writing a book on his travels around the world.

Tour

A tour is a single trip to several different places. During a tour you may visit several places of interest.

• He is on a business tour.
• Last year we went on a two-week tour of France.

Expedition

An expedition is a journey undertaken with a specific objective such as scientific research.

• Who led the first expedition to South Pole?

Outing

An outing is a short trip. Most outings last less than a day.

• The school is organizing an outing to the museum.

Excursion

An excursion is an organized trip.

• The travel agency organizes excursions to major tourist attractions in the area.

There are also some other words which suggest specific methods of transport.

Voyage

A voyage is a long trip by sea. A trip in space is also called a voyage. Example: space voyage.

Flight

A flight is travel by plane.

Drive

A drive is a trip that involves traveling by car.

• We went for a long drive.

Ride

A ride is a short trip on a bike or a motorcycle.