Under Miles&Go frequent flyer program, passengers can earn and spend miles on TAP Portugal and partner airlines flights. On having Marriott Bonvoy Boundless Credit Card, one can earn free nights for up to 50,000 points after qualifying. Additionally, they can earn 10x total points on applicable airfare purchases in selected categories. The best way to redeem miles is flying from Oceania to the U.S. via Dubai in Emirates on First Class for 180,000 miles.