ravel, travelling, journey, trip, voyage, crossing, flight

travel, travelling, journey, trip, voyage, crossing, flight 

Travel (uncountable noun) and travelling are used to mean the general activity of moving from place to place  

 Air travel is becoming cheaper

Her work involves a lot of travelling  

You do not say 'a travel'  

Use journey to talk about travelling a long distance or travelling regularly, when the emphasis is on the travelling itself 

  a long and difficult journey (NOT travel) through the mountains  

 I read during the train journey to work 

 Did you have a good journey? 

Were you comfortable, was the train on time etc  

A trip is when you go on a short journey, or a journey  

 you do not usually make, and come back again. 

 Use this when the emphasis is on where you are going or why you are going there  

•  my first trip to the States  
•   a business trip 
•  Was it a good trip
•  Did you achieve what you wanted to or have a good time there

Voyage is used for a long sea journey  

 a voyage across the ocean 

Crossing is used for a fairly short sea journey 

  The crossing takes 90 minutes

Flight is used for a journey by air   

 Have a good flight!