Relax at the Hilton London Heathrow Airport hotel, the only London Heathrow Airport hotel offering direct access to Heathrow Airport Terminal 4 via a covered walkway. Ride the Hotel Hoppa service that operates between Terminal 5 and the hotel. Situated close to a wide range of corporate headquarters in London, this airport hotel offers a fully equipped business center with over 2590 square feet of meeting and banquet space. Host a special event or business conference for up to 300 guests in one of 30 meeting rooms.