Last month, I traveled to Europe to take up Wyndham on their 15K-per-night mansion-like estate. For the ride home, I booked a ticket on Tap Air Portugal. Several months ago, TAP was offering flights from Oslo to Boston or New York by way of Lisbon for just $408 one-way in business class. At the time, I still had a 50% pay-with-points rebate on my Business Platinum card (since expired), so I used a net ~20,000 Membership Rewards…
