Definitions for "Open Jaw"
is a surface sector at your final point of turnaround - or furthest point from where you started, e.g., London - Singapore - Perth surface to Sydney - Los Angeles - London
This is a return ticket that allows you to return from different points. For example, flying from London to Washington but returning Los Angeles - London. The distance between the two points is a surface sector, and must be arranged by the passenger at his/her own expense.
An itinerary with flights into one city and departure from another, e.g., travel from Dallas to Reno, return from Denver to Dallas.