Star Alliance member TAP Air Portugal is selling business class flights from London to Boston starting at £1,116 (~€1,269) from October to March 2025 with blackout dates on December. TAP’s business class gives you good mileage and two checked bags of 32 kilos. The catch is that you have to stay at least 24 hours … Continue reading Boston: £1,116/ €1,301 TAP Business Class Flights from London w/ Lisbon Stopover