Welcome to FlyerTalk
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Why do you want to do this?
Mostly curiosity...I booked a flight with these fare rules, but I'm curious as to what possibilities I didn't take advantage of.
I cannot imagine that such a ticket would not be substantially more expensive than buying JFK-CDG-NCE-CDG-JFK and CDG-MUC-CDG separately.
If, fare rules permitting, the TATL flight and the side trip were operated by airlines with interlining agreements, then would the price be the same as buying them separately?
For example, if you fly AA on the TATL outbound and add a side trip on AB, would it be the same price as buying them separately (assuming fare rules allow for this kind of structure)?