Combining a transfer bonus and Virgin’s Saver fares: How I booked lie-flat business-class seats to London for just 21,000 points

Fun fact: Even though I’ve worked at TPG for 5 1/2 years and have a nice stash of points and miles saved up, I’ve never booked an international lie-flat business-class flight … that is, until now. Most of the time, I’m an economy traveler. Even on international long-haul flights, I generally choose to forgo a …