Originally Posted by
quarkdoll
(Though i'd still be interested were i just to specify CDG, LX, 14.nov-20.nov).
This is possible using ITA, multiple destinations and the 300 mile radius. Have you tried that yet?
The problem with the first example you gave is that the fare basis (JICSWIFR) will not necessarily exist in more than one market so it doesn't make sense to search on it.