Originally Posted by
sydneyracquelle
I had this last year. Cancel the current DL ticket. Buy the cheap one-way award ticket USA>EUR. Then shop around for the EUR>USA flight you want with a dummy USA>EUR return (as cheap and as far into the future as possible) and then no-show that USA>EUR return or use it for future credit.
When you goto rebook the flown outbound will be repriced. Not all fares can be combined. Also starting in EU usually means added surcharges.