How much travel time from London Heathrow Airport to Central London?

The Heathrow Express is the quickest way into central London. It takes 15-20 minutes and is non-stop to Paddington station. There are four non-stop trains per hour. Trains depart from Paddington between 5.10am and 11.25pm and return from Terminal 4 between 5.23am and 12.01pm and Terminal 5 between 5.07am and 11.42pm. There are three stations at Heathrow: Terminals 1, 2, 3, Terminal 4, and Terminal 5. Travelcards and Oyster cards are not valid on the Heathrow Express.