Break the journey
stop for a short time during journey
To take a red eye
To take a late night airline flight
Travel light:
to make a journey without taking a lot of heavy things with you
Travel on a shoestring:
Not spend much money while travelling
Backseat driver:
A passenger in a car who gives unwanted advice to the driver
Off the beaten track
An unusual route or destination
To take the road less traveled:
To do things differently and to think outside of the box.
Hit the road:
to begin a journey
Have a stopover:
Have a brief overnight stay in a place when on a long journey to somewhere else, usually by air
In the same boat:
to be in the same situation together
To get itchy feet:
have a strong desire to travel
The first leg of the journey
the first segment of a journey; the first flight of a multi-flight trip.