From 行って (“go”) and いらっしゃい, an honorific invitation to go and come back; together they form a fixed send-off.
From 行って (“go”) and いらっしゃい, an honorific invitation to go and come back; together they form a fixed send-off.
Who says 行ってらっしゃい?
The person who stays behind says it to the person leaving.
What does it answer?
It often answers 行ってきます.
Does it imply the person will return?
Yes, usually the person is expected back.
Can you say it at school?
Yes, for example to pupils leaving on a trip.
Is it the same as 行ってきます?
No. 行ってきます is said by the person leaving.