Do You Go Through Customs On A Connecting Flight? Everything You Need To Know - Laura Clery (2024)

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Traveling can be tricky, especially when your trip involves connecting flights.

One common question many travelers have is whether they need to go through customs and immigration if they have a layover in another country. The answer isn’t straightforward and depends on several factors.

If you’re short on time, here’s a quick answer to your question:

Generally, yes you do have to go through customs on international connecting flights, except in special cases like connecting in the EU or some preclearance airports. But there are some important nuances.

In this comprehensive guide, we’ll walk through everything you need to know about connecting flights and customs procedures.

We’ll cover the key factors that determine if you have to go through customs, explain preclearance and sterile transit, provide tips for breezing through customs on a layover, and address some common questions travellers have.

What Are Connecting Flights?

A connecting flight, also known as a layover, is when a passenger needs to change planes at an intermediate airport to reach their final destination.

This usually occurs when there are no direct flights available between the origin and destination airports.

Connecting flights can range from a short layover of 30 minutes to several hours, depending on the airline and the itinerary.

How Do Connecting Flights Work?

When booking a connecting flight, passengers will have to make sure they have ample time to transfer between flights.

The airline will typically provide a minimum connection time for each airport, which is the minimum amount of time needed to make the transfer.

It is important to note that this time frame can vary depending on factors such as airport layout, distance between terminals, and immigration procedures.

It is always a good idea to allow for extra time in case of delays or unexpected circ*mstances.

Upon arrival at the intermediate airport, passengers will need to follow signs for connecting flights or transfer desks. In some cases, they may need to go through security, especially if they are entering a different country.

However, whether or not passengers need to go through customs on a connecting flight depends on a few factors.

Do You Go Through Customs on a Connecting Flight?

Whether or not passengers need to go through customs on a connecting flight depends on the country they are traveling to and the specific circ*mstances of their journey.

In some cases, passengers may need to go through customs and immigration at the intermediate airport, while in other cases, they may not.

For example, if a passenger is traveling from the United States to Canada with a layover in Toronto, they will need to go through Canadian customs and immigration at the Toronto airport before continuing their journey.

This is because Canada has a pre-clearance agreement with the United States, meaning that passengers clear customs and immigration before departing from their origin airport.

On the other hand, if a passenger is traveling from the United States to Germany with a layover in Frankfurt, they will not need to go through German customs and immigration at the Frankfurt airport.

Instead, they will go through customs and immigration upon arrival at their final destination in Germany.

It is important for passengers to check the specific requirements of their connecting flights and destination country to ensure they are prepared for any customs or immigration procedures they may encounter.

Airlines and airports often provide information on their websites or through customer service representatives.

Do You Have to Go Through Customs on All Connecting Flights?

Whether or not you have to go through customs on a connecting flight depends on various factors. It is not a one-size-fits-all situation.

Factors That Determine If You Go Through Customs

The primary factor that determines whether you need to go through customs on a connecting flight is whether your layover is in the same country or a different country.

If your layover is in the same country, you generally do not have to go through customs again.

However, if your layover is in a different country, you will typically have to go through customs and immigration.

Another factor that may influence whether you go through customs is the airport you are connecting through.

Some airports have designated areas for connecting passengers where they can bypass customs, while others require all passengers to go through customs regardless of their final destination.

Additionally, the type of flight you are taking can also impact whether you go through customs. For example, if you are taking an international-to-international connecting flight, you will likely have to go through customs.

On the other hand, if you are taking a domestic-to-international connecting flight, you may not have to go through customs until you reach your final destination.

Exceptions: Preclearance Airports and Sterile Transit

There are a few exceptions to the general rule of going through customs on connecting flights. One exception is preclearance airports.

Preclearance airports are airports located outside of the United States where U.S. Customs and Border Protection officers are stationed.

Passengers flying from these airports to the United States go through customs and immigration before boarding their flight, allowing them to arrive in the U.S. as domestic passengers.

This means that if you have a connecting flight from a preclearance airport to another U.S. airport, you will not have to go through customs again.

Another exception is sterile transit. Some airports offer sterile transit areas where passengers can transfer between flights without going through customs.

These areas are designed for passengers who are not entering the country and are typically used for short layovers.

However, not all airports have sterile transit areas, so it is important to check the specific airport’s policies if you have a connecting flight.

It is always a good idea to check with your airline or consult the airport’s website for specific information regarding customs procedures for connecting flights. This will ensure that you have a smooth and hassle-free travel experience.

Do You Go Through Customs On A Connecting Flight? Everything You Need To Know - Laura Clery (1)

Tips for Going Through Customs on a Layover

Research the Airport Ahead of Time

One of the most important tips for going through customs on a layover is to research the airport ahead of time.

Each airport may have different procedures and requirements when it comes to customs. By doing some research, you can familiarize yourself with the process and ensure a smoother experience.

Visit the airport’s official website to find information about customs procedures, immigration requirements, and any necessary documentation.

It’s also a good idea to check if the airport has any specific guidelines or restrictions for passengers in transit.

By being well-informed, you can avoid any surprises or delays during your layover.

Factor in Extra Time

When planning your layover, it’s crucial to factor in extra time for going through customs. Customs procedures can sometimes be time-consuming, especially during peak travel periods or at busy airports.

It’s better to have more time than to rush and potentially miss your connecting flight.

Consider the average time it takes to go through customs at the specific airport you’ll be transiting through.

Keep in mind that some airports have automated passport control systems or expedited lanes for certain travelers, which can help speed up the process.

However, it’s always wise to leave a buffer of at least a couple of hours to go through customs smoothly.

Have Documents Ready

Having your documents ready is essential for a hassle-free experience at customs.

Make sure you have all the required documents easily accessible, such as your passport, boarding pass, and any necessary visas or travel permits.

It’s also a good idea to fill out any customs declaration forms in advance, if applicable.

These forms typically require information about the goods you’re carrying, such as currency, food items, or valuable items.

By completing these forms beforehand, you can save time and avoid delays at the customs checkpoint.

Pro tip: Keep your travel documents organized in a travel wallet or a designated pouch within your carry-on bag. This way, you can quickly present them when needed and avoid fumbling through your belongings.

Frequently Asked Questions

What if I Have Multiple Connecting Flights?

If you have multiple connecting flights, you may have to go through customs depending on your specific itinerary.

In some cases, you may need to go through customs at your final destination, while in other cases, you may have to go through customs at each transit point.

It is important to check with your airline or travel agent to understand the specific customs requirements for your journey.

What About Connecting in the EU?

When connecting flights in the European Union (EU), the customs process can vary. If you are traveling from a non-EU country to another non-EU country with a layover in the EU, you will generally not have to go through customs.

However, if you are traveling from a non-EU country to an EU country, you will typically have to go through customs at your first point of entry into the EU.

It is advisable to familiarize yourself with the specific customs regulations of the countries you will be transiting through.

Can I Stay Airside on a Layover?

Whether you can stay airside (remain in the secured area of the airport) on a layover depends on various factors such as airline policies, airport facilities, and the duration of your layover.

Some airports have designated transit zones where passengers can stay airside without going through customs.

However, if you have to change terminals or airlines, you may be required to go through customs. It is recommended to check with your airline or airport authorities to determine if you can stay airside during your layover.

Conclusion

Connecting flights can get confusing, especially when multiple airports and customs procedures are involved.

While you do generally have to go through customs on international transfers, there are some exceptions like preclearance airports and sterile transit.

By understanding the key factors and doing your research ahead of time, you can breeze through customs on your next layover. Safe travels!

Do You Go Through Customs On A Connecting Flight? Everything You Need To Know - Laura Clery (2024)

FAQs

Do I need to go through customs for a connecting international flight? ›

If you have booked international connecting flights, you will normally have to go through customs and immigration at the connecting airport. This is particularly true of the United States and Canada.

Is a 2 hour layover enough to clear customs? ›

Two to three hours is the minimum recommended time for an international layover, but more might be needed.

Do I have to go through customs for a connecting flight in Paris? ›

You must pass through a security check (No passport control nor visa required) Please note ! If you need to leave the transit area to pick up baggage and check-in, you must clear a passport check, please ensure that you comply with entry & visa requirements.

Do you go through customs when leaving the US to Canada? ›

In Vancouver, Montreal, Ottawa, Winnipeg, Edmonton, Calgary, Halifax and Toronto Pearson airports, you will clear U.S. immigration and customs before you board your flight. You will then arrive on the domestic concourse of the airport to which you are flying, with no further formalities necessary.

Do I have to pick up my bags on a connecting flight international? ›

If you're connecting to another flight, you must collect your baggage before proceeding to the transfer desk which is just after Customs. If you have a connecting flight, once you have cleared Immigration, you will need to go to the check in desk of your connecting carrier.

When returning to the US from Europe, when do you go through customs? ›

Usually, when you land in the US from a foreign country, you go through a customs inspection in the first US city you land in. However, if you're flying from one of 14 designated airports with preclearance facilities offered by Customs and Border Protection, or CBP, you clear customs before you fly.

Where do you go through customs when you have a connecting flight in Europe? ›

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.

Is 1 hour enough for connecting flights in Paris? ›

To make an international to international connection in Paris: 70-75 minutes. If you're flying in and out of CDG, time-wise there is no big difference between arriving from the US and catching a flight to another city in France or catching a flight to a European country, or another international destination.

Do I have to go through security again for connecting flight in Zurich? ›

Depending on the country your flight originated in, you will go through the security check again before your onward flight.

Do I need to go through immigration for a connecting flight in Canada? ›

You need a transit visa if you're from a visa-required country and: your international flight stops at a Canadian airport on its way to another country. you'll be connecting between 2 international flights at a Canadian airport. you'll transit through Canada in 48 hours or less.

Do I have to go through customs if I have a layover in Toronto? ›

You may need to clear: Canadian customs and immigration if your flight into Pearson is international (includes US) and your flight out of Pearson is domestic. US Customs if your flight out of Pearson is to the US.

Do I have to go through customs for a connecting international flight in Montréal? ›

International-United States

If your airline offers the option of automatically transferring your luggage and you have a boarding pass for your connecting flight, you will be asked to proceed via a connecting flights corridor, avoiding Canadian customs. You will, however, have to go through U.S. customs.

Do I have to go through customs for a connecting international flight in Miami? ›

If you checked a bag, you'll have to collect it from baggage claim from the international flight. You'll need to clear customs and immigration. Next, you'll recheck your luggage for the domestic flight. Finally, you'll need to go through Transportation Security Administration screening.

Do you go through customs when leaving the US to Mexico? ›

In any case you don't go through customs on the way out of either country. Leaving the US you have passport check and security. Entering Mexico you have immigration and customs. Leaving Mexico you have a passport check and go through security.

Do I need to go through customs for a connecting flight in Mexico City? ›

If you're flying in from the US, deplaning in Mexico City and boarding another flight to, say, Oaxaca, you'll need to pick up your luggage and take it to the next flight, as well as go through customs in Mexico City.

Do I have to go through customs for a connecting flight in Frankfurt? ›

Passengers connecting to Germany domestic flights or flights to a Schengen country should proceed to immigration and customs on Level 3 (Hall B) of Terminal 1. After passing through immigration and customs, passengers connecting to A/Z in Terminal 1 or D/E should take the escalator up to SkyLine stop B.

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