Do you go through customs on departure or arrival?

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.



For international travel in 2026, you almost exclusively go through Customs on arrival in your destination country. Customs is the process of declaring goods, currency, and restricted items you are bringing into a jurisdiction. However, it is vital to distinguish between Immigration (Passport Control) and Customs (Goods Inspection). You will typically pass through Immigration first to verify your right to enter, collect your checked luggage, and then walk through the Customs "Green" (nothing to declare) or "Red" (goods to declare) channels. A major exception is U.S. Preclearance at certain airports (like Dublin, Abu Dhabi, or several in Canada), where you complete both U.S. Immigration and Customs before you depart, allowing you to land in the U.S. as a domestic passenger. Some countries may also have a light customs check on departure to prevent the export of protected antiquities or excessive currency.

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At a Glance: Customs control is the process of regulating the entry of items into a country. Passengers generally go through customs when entering a country, not when leaving.

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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.

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  • Check-in for your flight.
  • Hand over any luggage that would need to go into the aircraft hold, if you are travelling with luggage.
  • Pass through the airport security gates to the departures hall.
  • Find your boarding gate.
  • Board the plane and fly to your destination.


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5. 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.

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You might have to go through customs during a layover, especially if your layover is in the Schengen Area (which consists of most countries in the EU). For example, if your final destination is Paris, France, but you have a layover in Madrid, Spain, you will actually go through customs in Spain, not France.

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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.

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Do You Have To Go Through Customs During A Layover? 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.

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You'll need to pick-up your luggage, then check it in again for the next flight. Top Tip: A wait at the airport between two connecting flights is called a layover. For more travel advice, check out our guide to dealing with a short layover.

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Yes, customs officials have the authority to open and inspect luggage when you are entering a country. Customs officials have the right to search your luggage, bags, and personal items to ensure that you are not carrying any prohibited or restricted items.

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The recommended layover time for international flights is generally longer, as you will have to go through customs and immigration before boarding your next flight. In most cases, a 30-minute layover for domestic flights and an hour for international flights is considered a minimum, or short, layover.

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Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

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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.

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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.

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The general guideline on how early to get to the airport for a domestic flight is 2 hours. However, those traveling at a very busy time of year or out of a large airport might want to allow more time.

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You won't need to go through customs as a connecting passenger, you will go through a passport check when you leave the Schengen area. And if you connect in the UK, you will need to go through a security check. Customs is for when you get back to the USA.

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If your itinerary was purchased as one ticket (as in: you have only one itinerary and one confirmation number), and the connection time was too short and you miss the second (or third) flight, you can rest easy, no matter what happens. The airline will simply put you onto the next available flight, free of charge.

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Trusted Traveler Program Enrollment
Global Entry is a U.S. Customs and Border Protection (CBP) program that allows expedited clearance for pre-approved, low-risk travelers upon arrival in the United States. Members enter the United States through automatic kiosks at select airports.

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