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

https://cesarksrk986.theglensecret.com/heathrow-airport-map-for-arrivals-and-departures-access-and-transport-1

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.