The Barclays Aadvantage Aviator Red Mastercard is a unique offer in that you earn your 60,000 miles just after making your first purchase in the first 90 days! (And an additional 15,000 miles after adding an authorized user who spends $1 within 90 days) It is common to find roundtrip flights to Europe in economy for 60,000 American Airline miles give or take. (Be sure to avoid the flights on American’s partner airline, British Airways, because taxes and fees will be MUCH higher for those flights