When to arrive. We recommend getting to the airport three hours before your flight if you're travelling internationally, or two hours if you're travelling domestically or to Europe.
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The General Guideline for How Early You Should Get to the Airport. Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
We recommend that you allow at least 3 hours if you're connecting between these airports. Your baggage will not be automatically forwarded so please collect all your bags before leaving Heathrow or Gatwick airport.
During the week, traffic between 7am and 9am can be busy and this is repeated again in the afternoon and evening, with a rush hour traffic period taking place between 4pm and 7pm. If you can avoid travelling to, from or around Heathrow Airport at these times, do so as it will save you a lot of stress.
When to arrive. We recommend getting to the airport three hours before your flight if you're travelling internationally, or two hours if you're travelling domestically or to Europe.
Night flight restrictionsThere are two time periods: 23:00 - 07:00 and 23:30 - 06:00 both with restrictions on certain types of aircraft; The more restrictive period (23:30 - 06:00) is known as the Night Quota Period (NQP) and has limits on the number of movements which are set by the DfT.
During the week, traffic between 7am and 9am can be busy and this is repeated again in the afternoon and evening, with a rush hour traffic period taking place between 4pm and 7pm. If you can avoid travelling to, from or around Heathrow Airport at these times, do so as it will save you a lot of stress.
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
The TSA and airports want you to get there earlier, each for its own reasons. The agency does not like to be rushed with screenings, even if there's a long security line. Airports want you to take advantage of their incredible shopping and dining facilities, which you can't do if you're rushing to the gate.
When you're traveling outside of the United States, we suggest arriving at least 3 hours prior to your departure. You must be checked in at least 1 hour before your scheduled departure.
Most airlines recommend arriving at the airport two hours before departure for domestic flights. But this is a flexible recommendation depending on the specifics of your travel situation.
Allow between 30 minutes and 2 hours. Immigration queueing times have increased this week (some groups have been taking nearly two hours to reach arrivals from touchdown) but it's still very inconsistent so Peter's comment above is valid.
Unfortunately, due to the situation with Covid-19, we are currently unable to offer our Fast Track service. We apologise for any inconvenience and look forward to assisting you in the future.
Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.
If you choose to leave the airport during an international flight, be sure to be back at the airport at least three hours before your flight to allow time for customs and immigration as well as check-in and security.
If you book a 6AM domestic flight, for example, you'll need to arrive at the airport by 4AM. Depending on how far you live from the airport, this could mean getting on the road around 3AM or 3:30AM; traffic should be minimal at this time, as should check-in and security lines.
London's Heathrow Airport has launched a six-month trial—aptly called “Heathrow Timeslot”—where travelers can pre-book a security slot, meaning that you may be able to avoid facing any lines whatsoever at security and effortlessly zoom straight through to the lounge.
Heathrow's rush hours are 7am to 10am and 5pm to 8pm on weekdays, with particularly dense traffic on Friday evenings and the first day of any school holiday.
Heathrow Airport is known to be reasonably accommodating of airport sleepers. Although it remains bustling during the day, it does quiet down slightly in the evening, making it a more feasible time for some shut-eye. However, keep in mind that different terminals offer varying comfort levels and sleeping options.