The flight must originate in one of the following


This offer applies only to itineraries originating in the U.S., Mexico, Central and South America or the Caribbean. This offer does not apply to itineraries originating in Mexico, Central or South America or the Caribbean that include on the itinerary the following destinations: Japan, China, Hong Kong and destinations operated by Continental Micronesia.


So no, booking a flight that originates in Europe would not count