Insieme is so beautiful word in italian.
And in slovene it means skupaj.
What about in your language?
"We want to journey together." should be accepted. Reporting 26 feb 2017
"We would like to travel together" should also be accepted. It is the same thing.
More correct for "We would like to travel together." would be "Vorremmo viaggiare insieme." or "Ci piacerebbe viaggiare insieme."