At this time, two people, (1) and (2) have a reserved round trip itinerary of A → B → A.
I hope to add a stop to the person's trips (1), and do not to the person (2) & # 39; s. (1) travel from A → X → B → A and (2) travel from A → B → A. (2) travel on the round trip flight already booked.
What would be the best (cheapest) way to add a stop to an existing reservation for one passenger and not for the other?
Secondly, is there any way to not change the existing round trip reservation (to avoid the United $ 200 exchange rate) and retain the return leg for (1)? In this scenario, (1) would be do not fly from A → B, only the second section, from B → A. (2), however, it would fly the entire round trip.
Alternatively, is there any way to avoid United exchange rates if I booked the itinerary A → X → B with them? (I would be booking two more flights with them; maybe they would give up the fares?)