With the addition of five brands, the hotel has expanded its presence into 23 new markets.
The airline is also offering Qsuite Business Class seating on some U.S. routes.
Explore the brand’s more than 4,600 hotels, resorts and residences across 100 different countries.
Along with its partners, the carrier offers nearly 100 daily flights between key markets in U.S. and Europe.
London’s largest hotel owner-operator offers 5,000 plus rooms and event spaces across the UK capital.
The carrier accepted the honor from online publication Trazee Travel.
The hotel will honor the guarantee for each night of the stay.