The most common and most likely answer to this crossword clue is the 8 letter word OUTBOUND
I've seen this crossword clue in The Daily Telegraph
O
U
T
B
O
U
N
D
More clues leading to the result OUTBOUND
Buddy explains!

The straight part
We know that "away from home" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case away from home = outbound.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OUTBOUND mean?
OUTBOUND noun- (logistics) An outbound shipment.
- Leaving or departing; traveling away from; outward bound.