Originally Posted by
Ldnn1
It's not just the fare rules which you see on ITA Matrix; the routing rules must allow it too. You need ExpertFlyer to see the routing rules but if you can't get the routing to price, it's almost certainly because it's not allowed. (I haven't checked this fare.)
I'm afraid that went way over my head
Looks like I've got some more reading to do, as I expect to be doing a lot more inter-continentals in the future.