Originally Posted by
mahasamatman
You can also book it as an open jaw, but you will still have to call. There are no direct flights from LHR to CDG on *A - you'll either have to connect somewhere inconvenient, take a non-*A flight, or take the train.
Keep in mind if you book this as an open jaw you lose any ability to add a stopover. You are allowed 1 stopover or 1 open jaw per saver/star alliance award ticket.
If you book a one way you don't get a stopover.