From the West End, take the Piccadilly line; estimate around 50 minutes to Terminal 5

https://sergiohblb213.almoheet-travel.com/transport-heathrow-to-paddington-fastest-and-cheapest-ways-compared-2

From the West End, take the Piccadilly line; estimate around 50 minutes to Terminal 5, and consider traveling off-peak for a more comfortable journey.