the current list between North America and Europe for travel dates between December 1, 2014 and January 31, 2015 includes:
Boston on Air France: 25% off business class – 46,875 miles each way, 93,750 miles round-trip.
Chicago on KLM: 25% off economy class – 18,750 miles each way, 37,500 miles round-trip.
Houston on KLM: 25% off economy class – 18,750 miles each way, 37,500 miles round-trip.
Houston on Air France: 25% off premium economy class – 37,500 miles each way, 75,000 miles round-trip.
Miami on Air France: 25% off business class – 46,875 miles each way, 93,750 miles round-trip.
Washington D.C. on KLM: 25% off economy – 18,750 miles each way, 37,500 miles round trip