There are many options for getting to London's Heathrow airport. But which is the best?
We've created a guide - broken down by price, time, and perks and disadvantages - to help you make the best choice. If your goal is to save money, the cheapest routes are listed from the top.
Editor's note: Rates and times are calculated from BI's office in Old Street, unless stated otherwise.
Cycling and taxi rates and times are calculated using Citymapper, and can vary depending on the time of the day. Minicab rates and times are calculated using Minicabit.