"Travel" is an abstract noun = the idea of going from one place to another.
● “In my opinion, the best way to travel is by train.
We wouldn’t say “Yesterday I travelled to London” It would be "Went to London".
Journey:
When you go from one place to another, generally on land.
● A train journey from London to Bath or a car journey from New York to Boston.
Trip:
When you go somewhere and you go back to where you started.
● A business trip to London or a weekend trip to Paris.
Excursion:
A company takes you somewhere and brings you back.
● A wine tasting excursion in the Napa Valley in California.
You go there, enjoy the wine and don’t worry about getting there and back again.
Outing:
When you go somewhere with your family or friends but you don’t pay anyone to take you there.
● Our family outing to London Zoo was great fun.
Voyage:
When you go from one place to another (like a journey) but at sea.
● Before planes were invented, the voyage from London to New York could take weeks.
Cruise:
A kind of holiday at sea.
● You may go to a lot of different countries on a cruise or you could go on a cruise down The River Nile.
Packages Tour:
● When you don’t have to organise anything. It’s all done for you. The price includes flights, accommodation, breakfast, etc. You only have to pay.