Do you have to go through customs on a layover in the same country?

Layover in the Same Country: If you have a layover within the same country (i.e., both your initial flight and connecting flight are domestic flights within the same country), you will usually clear customs at your final destination. Domestic flights typically do not involve customs checks.



No, you generally do not go through customs during a layover if your journey stays within the same country. For example, if you fly from London to Edinburgh with a stop in Manchester, you are on a domestic-to-domestic route and stay within the "sterile" area of the terminal. In the United States, if you fly from Los Angeles to New York with a stop in Chicago, you simply walk from one gate to the next. However, there is a major exception for international arrivals: if you are flying from London to Los Angeles with a layover in New York (JFK), you must clear Customs and Immigration at your first point of entry (JFK). You have to collect your checked bags, walk through customs, and then re-check them for the domestic leg to LA. This is a common "traveler trap" that requires a layover of at least 2–3 hours. In 2026, once you have cleared that first checkpoint, you are "domestically cleared" and won't see customs again at your final destination.

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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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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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When layover flights are booked with the same airline, your baggage will be automatically transferred through to your final destination. However, if the two flights are with different airlines, you may have to claim and re-check your baggage during your layover.

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If luggage has been checked through to its final destination, it will generally remain in the baggage system and will not need to be claimed despite a layover. This is true whether the layover is several hours overnight or the same amount of time during the day.

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Do you have to go through customs on a layover in Germany? Only if you leave the airport. If you are simply changing planes, you will not need to go through customs.

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