If you’re near Tottenham Court Road, the Elizabeth line provides a direct, modern train to Heathrow

https://zanetncf452.overblog.fr/2026/08/taxi-to-heathrow-airport-costs-travel-times-and-when-it-makes-sense.html

If you’re near Tottenham Court Road, the Elizabeth line provides a direct, modern train to Heathrow, often faster than the Piccadilly line.