Airport Transfers
How Early Should You Leave Central London for Heathrow?
A practical guide to departure times from Central London to Heathrow, including recommended buffers, peak traffic periods and how your chauffeur plans the journey.

Why Timing Matters
Allowing enough time for the journey from Central London to Heathrow is one of the most important factors in a stress-free departure. Traffic on the M4 and around Central London can vary significantly, and underestimating journey time is the most common cause of missed flights.
Recommended Departure Times
For flights from Heathrow, we recommend leaving Central London at least three hours before your departure time for international flights and at least two hours before for domestic flights. This allows for the journey, traffic variability and check-in and security at the airport.
Peak Traffic Periods
Traffic is typically heaviest on the M4 and around Central London during weekday rush hours (07:00–10:00 and 16:00–19:30). If your flight departs during these periods, we recommend leaving an additional 30–45 minutes earlier than the standard recommendation.
How Your Chauffeur Plans the Journey
Your chauffeur will plan the route based on live traffic conditions and will recommend a departure time when you book. We track traffic in real time and will adjust the route if necessary to ensure you arrive at Heathrow with sufficient buffer.
Author: Jacob Miles Editorial Team
Reviewed by: Jacob Miles Operations
Last reviewed: 2026-09-05
Frequently Asked Questions
How early should I leave Central London for Heathrow?
We recommend leaving Central London at least three hours before international flights and at least two hours before domestic flights, to allow for the journey, traffic and check-in.
When is traffic worst on the way to Heathrow?
Traffic is typically heaviest during weekday rush hours (07:00–10:00 and 16:00–19:30). We recommend leaving an additional 30–45 minutes earlier during these periods.
How long does the journey from Central London to Heathrow take?
The journey from Central London to Heathrow typically takes 45–60 minutes via the M4, but this can vary significantly with traffic.
How does my chauffeur plan the route to Heathrow?
Your chauffeur will plan the route based on live traffic conditions and will recommend a departure time when you book. We track traffic in real time and adjust the route if necessary.
Can my chauffeur adjust for traffic on the way to Heathrow?
Yes. We monitor your flight in real time for all airport arrivals and adjust the collection time for early or delayed arrivals. For departures, we recommend a departure time when you book.
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