The modern Sheraton Skyline Hotel at London Heathrow in London, England, 850 metres from London Heathrow Airport and 15 miles from central London. Ascot Racecourse is 12 miles away. Hotel Features. The Sheraton Skyline Hotel at London Heathrow has a light and airy lobby with a marble topped front desk. The hotel has shops on site, including an aviation gift shop. Modern Sage restaurant offers international dishes from an a la carte menu or daily buffet.