June 18, 2026
Security screening times at Heathrow Airport can vary depending on the terminal, time of day, airline, and overall passenger numbers. While many passengers pass through security relatively quickly, wait times may be longer during busy travel periods, including early mornings, weekends, school holidays, and peak summer seasons.
As security queues can change throughout the day, Heathrow Airport recommends arriving at the airport with sufficient time before your flight. Most passengers should plan to arrive at least 2 hours before a short-haul flight and 3 hours before a long-haul flight, allowing enough time for check-in, baggage drop, security screening, and boarding.
Travellers can help speed up the security process by ensuring liquids, electronic devices, and hand luggage comply with current airport security requirements. Being prepared before reaching the screening area can help reduce delays and make the process more efficient.
When planning your journey to Heathrow Airport, it's also important to allow time for potential traffic congestion and other travel delays. Arriving at the airport early can help provide a more relaxed and stress-free experience.
At 1ST Airport Taxis Ltd, we recommend booking your airport transfer in advance and allowing plenty of time before departure. Our reliable Heathrow Airport transfer service helps passengers reach their terminal comfortably and with confidence.
If you're unsure when to leave for Heathrow Airport, our team can help you choose the most suitable pickup time based on your flight schedule and travel requirements.