Passengers can avail themselves of several benefits from Delta Airlines when booking multi-city flights. The airline offers special fares for booking tickets to multiple destinations simultaneously. Additionally, Delta Airlines multi-city flights offer significant benefits to passengers, which are outlined in the following points. Passengers are given the flexibility to change routes. They are charged the same airfare for each segment. Flyers get very cost-effective travel itineraries. They also get the facility of open-jaw travel.