In most countries the area of the airport is regarded as an international zone for administration purposes. So international travellers who stay in the transit lounge are not entering the country.
People Also Ask
Do you go through immigration when transiting through the US? Everyone who arrives in the United States is processed by U.S. Customs and Border Protection, even if you are taking a connecting flight that is leaving the United States. You must have a visa or be eligible for the Visa Waiver Program to transit the USA .
Customs and immigration are usually required at the connecting airport for international flights. You don't always have to for domestic flights. In most cases, passengers on layover flights must clear customs and immigration at the first point of entry.
When do you go through customs on international flights? Usually, you go through customs when you exit the airport at your final destination. However, if you have a layover in a different city in your destination country, you may need to go through customs before your connecting flight.
It depends on how your ticket was booked. If your flights were booked under one ticket, your bags will be checked through to your final destination. If your flights were booked under separate tickets, you will need to collect your bags and recheck them before your connecting flight.
What is a good connection time? Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.