Journey (N):
–> Go from one place or another (long duration), usually without planning to go back.
Example: My journey to Finland took 16 hours with 4-hour layover.
Travel (N/V):
–> Go from one place to another ( long duration), with plans of coming back.
Examples:
I’m gonna travel to Europe for a month and a half, don’t bother calling me.
My travels in the 81 provinces of the Philippines will be published.
Trip:
–> Travel in short duration.
Example:
I’m gonna go on a trip to Thailand so see you next week.