YOU SAID:
I will go via next flight
INTO JAPANESE
次のフライトで行きます
BACK INTO ENGLISH
I will go on the next flight
INTO JAPANESE
次のフライトに行きます
BACK INTO ENGLISH
I will go to the next flight
INTO JAPANESE
次のフライトに行きます
BACK INTO ENGLISH
I will go to the next flight
You've done this before, haven't you.