Difference between trip, journey and travel
In order to speak about travelling, several terms can be used, such as: travel, to travel, journey and trip. Further will be explained the common differences between them.
travel - noun, adjective

–verb (used without object)
1. to go from one place to another, as by car, train, plane, or ship; take a trip; journey: to travel for pleasure.
2. to move or go from one place or point to another.
3. to proceed or advance in any way.
One of my hobbies is to travel.

–verb (used with object)
1. to travel, journey, or pass through or over, as a country or road. 
2. to journey or traverse (a specified distance).
Last year we travelled to Paris by plane.

1. the act of travelling; journeying, esp. to distant places: to travel to other planets.
2. travels,
     a. journeys; wanderings: to set out on one's travels.
     b. journeys as the subject of a written account or literary work: a book of travels.
     c. such an account or work.
journey - noun

1. a travelling from one place to another, usually taking a rather long time.
He made a 200 km journey from Madrid.
trip - noun
1. a journey or voyage: usually for a short period of time.
I just got back yesterday from my vacation! My trip was excellent!