The Leonardo Hotel London Heathrow Airport is an upscale chain hotel with 230 rooms in close proximity to the airport’s terminals. Its spacious rooms have triple-glazed windows, and some have runway views, but they're somewhat dated, especially the bathrooms, and some are far from the lobby. The on-site restaurant is open all day, and there's also a pleasant cocktail bar, 24-hour room service, a small gym, and an elegant spa. Long-stay parking is available. Travelers might want to compare rates with the Premier Inn Heathrow Airport, which has more up-to-date bathrooms.