
If you're travelling through an airport in Canada, there are a number of things you need to keep in mind to ensure a smooth security screening experience. Firstly, it's important to know that all passengers must undergo security screening, which includes verifying your boarding pass and photo identification, placing personal items in bins, sending your carry-on bag through the X-ray machine, and passing through a full-body scanner or a walk-through metal detector. To speed up the screening process, it's recommended that you familiarise yourself with carry-on baggage restrictions and avoid wearing items that may set off the metal detector. Let's take a closer look at some of the key considerations for a seamless journey through airport security in Canada.
| Characteristics | Values |
|---|---|
| Liquids, non-solid food and personal items | Containers must be 100 ml/100 g (3.4 oz) or less and fit in one clear, resealable plastic bag no more than 1L in capacity. |
| Beverages | Drink or discard any containers of more than 100 ml before security screening. |
| Food | Solid food with less than 100 ml of liquid is allowed. Food over 100 ml that is normally a liquid or gel but has been frozen solid will not be permitted. |
| Duty-free alcohol | Be aware of the rules for bringing duty-free alcohol as part of your carry-on baggage. |
| Insect repellent | Limit of one aerosol canister per person. |
| Aerosol items | Maximum limit of 500 ml/500 g per container, with a total net quantity not exceeding 2 L/2 kg. |
| Baby food/drink | Allowed in quantities greater than 100 ml if travelling with an infant younger than two years of age. |
| Powder or granular material | A volume of 350 ml or more of powder or granular material like baby powder, foot powder, cooking powder, bath salt, sea salt and sand is not allowed. |
| Firearms | Unloaded firearms must be placed in a locked, hard-sided container and declared to the airline during check-in. Only passengers age 18 and over may carry a firearm in checked baggage. |
| Knives | Knives and swords with blades 6 cm or less in length are permitted through the pre-board screening checkpoint. Blades longer than 6 cm should be packed in checked baggage. Blades of any type or length are not permitted on flights to the US. |
| Sports bats | Not allowed. |
| Lithium-ion batteries | A maximum of two individually protected spare batteries with a rating of 100 Wh but not exceeding 160 Wh may be carried per passenger in carry-on baggage only. |
| Sealed lead acid (SLA) non-spillable batteries | A maximum of two batteries with a maximum rating of 12 volts / 8.3 Amps (100 Wh) are permitted in carry-on baggage only. |
| Personal electronic devices (PEDs) | Cameras, mobile phones, drones, laptops, tablets and camcorders are permitted. |
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What You'll Learn

Liquids, non-solid food and gels must be under 100ml
Liquids, non-solid food and gels are permitted through airport security in Canada, but they must be under 100ml. This includes beverages, duty-free alcohol, and non-solid foods such as soup, maple syrup, and yoghurt. Containers of liquids, non-solid food, and gels must be 100ml or less and fit inside a clear, resealable plastic bag with a capacity of no more than 1 litre. Each passenger is limited to one such bag.
Food that is normally a liquid or gel but has been frozen solid will not be allowed to pass through security, even if it is under 100ml. In order for food to be considered a solid, it must be solid at room temperature. Solid food with less than 100ml of liquid, such as canned tuna, is allowed in carry-on baggage. Solid food can also be transported in checked baggage, along with non-solid food in containers larger than 100ml.
Some items are exempt from the 100ml limit. Baby food, milk, liquid formula, water, and juice are allowed in quantities greater than 100ml if you are travelling with an infant younger than two years of age. Insect repellent is limited to one aerosol canister per person, and aerosol items such as hair spray, perfumes, and deodorant are subject to a maximum limit of 500ml per container, with a total net quantity not exceeding 2 litres.
In addition to restrictions on liquids, there are other items that are prohibited or restricted in carry-on baggage. These include weapons, firearms, and sharp objects that could be used to cause serious injury, such as knives and scissors with blades longer than 6 cm. Certain food items, such as meat, fresh fruits and vegetables, and plants, may also be prohibited or restricted. It is important to properly declare all restricted items and comply with the relevant regulations to ensure a smooth security screening experience when travelling through Canadian airports.
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Firearms must be unloaded and locked away
Firearms are not permitted in carry-on baggage under any circumstances in Canada. Firearms must be unloaded and locked away in a hard-sided container and transported as checked baggage only. This container must completely secure the firearm from being accessed and locked cases that can be easily opened are not permitted. Only the passenger should retain the key or combination to the lock unless TSA personnel request the key to open the firearm container to ensure compliance with TSA regulations.
Firearm magazines and ammunition clips, whether loaded or empty, must be securely boxed or included within the hard-sided case containing the unloaded firearm. Small arms ammunition must be packaged in a cardboard box, wood, plastic, or metal box specifically designed to carry ammunition and declared to your airline. Ammunition may be transported in the same locked case as a firearm if it has been correctly packaged.
Firearm parts, including magazines, clips, bolts, and firing pins, are prohibited in carry-on baggage but may be transported in checked baggage. Replica firearms, including firearm replicas that are toys, may also be transported in checked baggage only. Rifle scopes are permitted in carry-on and checked baggage.
If you are taking a flight to the US that is being pre-cleared in Canada, you cannot pack any type of knife. In Canada, you are also not allowed to pack items in your check baggage that are illegal under the Criminal Code of Canada.
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Blades under 6cm are allowed
When flying within Canada or to an international (non-U.S.) destination, blades under 6 cm are allowed in carry-on baggage. This includes small kitchen appliances with blades under 6 cm, such as personal/hand-held blenders, coffee grinders, and cheese slicers. Small tools with blades under 6 cm, such as box cutters and craft knives, are also permitted in carry-on baggage.
Blades longer than 6 cm must be packed in checked baggage. This includes knives of any type or length, scissors with blades longer than 6 cm from the fulcrum, and razors with blades longer than 6 cm. These items are not permitted in carry-on baggage when flying within Canada or to an international destination.
It is important to note that if you are flying to the U.S., you cannot pack any type of knife in your carry-on baggage. Knives of any type or length are prohibited in carry-on baggage for flights to the U.S.
Additionally, certain items that could be considered weapons are banned from all carry-on baggage, regardless of the length of the blade. These include guns, firearms, and other devices that could seriously injure someone by launching harmful objects. This also includes items that could be mistaken for such devices, like toy guns or replicas.
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Electronic devices are allowed
Lithium-ion cells or battery packs with a rating of less than 100 Wh are generally permitted in carry-on baggage. However, devices containing these types of cells, such as video cameras, may need to be placed in checked baggage if the cells are removed from the device and carried on board. Spare lithium-ion cells or battery packs must be individually protected and are subject to quantity restrictions.
When travelling with electronic devices, it is important to ensure that they are charged. TSA officers may ask you to power up your electronic devices, including cell phones, and devices without power will not be permitted onboard the aircraft.
Additionally, certain electronic devices may be subject to restrictions when flying to or from specific destinations. For example, when flying to the U.S., blades of any type or length are prohibited, and there may be more extensive screening procedures for personal electronic devices. It is recommended to check the regulations for your specific destination and consult with the relevant authorities if you have any questions or concerns about bringing electronic devices through airport security in Canada.
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Food must be solid at room temperature
When travelling through airport security in Canada, it's important to know the restrictions on what you can bring. Food is subject to the same liquid restrictions as other items. Non-solid foods that are normally liquids or gels, even if frozen solid, will not be allowed to pass through security in your carry-on if they are over 100 ml. This includes beverages—you will need to drink or discard any drinks in containers over 100 ml before you get to the security checkpoint.
For food to be considered a solid, it must be solid at room temperature. Solid foods can be brought in carry-on and checked baggage. Solid food with less than 100 ml of liquid, such as a can of tuna, is allowed in carry-on baggage. These items must fit in the same clear, closed, resealable 1 L plastic bag with all other containers of liquids, food or personal items you are carrying.
There are some exemptions to the 100 ml or 100 g (3.4 oz) limit. Baby food, milk, liquid formula, water and juice are allowed in quantities greater than 100 ml if you are travelling with an infant younger than two years of age. These items must be declared to the screening officer for inspection.
In addition to restrictions on liquids, there are other items that are prohibited from carry-on baggage. These include weapons, firearms, and sharp objects that could cause serious injury, such as scissors with blades longer than 6 cm. Some food items may also be prohibited or restricted, especially when travelling to certain destinations. For example, when travelling to the US, meat, fresh fruits and vegetables, plants, seeds, soil, and products made from animal or plant materials may be restricted. When travelling to the European Union, certain meat and milk products may be prohibited, although some are allowed for personal consumption if they do not require refrigeration and are packaged trademark goods. It is important to check with your airline or travel agent for restrictions, especially if your flight originates outside of Canada.
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Frequently asked questions
Solid food can be taken through security in both carry-on and checked baggage. Non-solid food is subject to liquid restrictions. Containers must be 100ml/100g or less and fit in a clear, resealable plastic bag with a capacity of no more than 1L. Food that is normally a liquid or gel but has been frozen solid is not allowed through security.
Personal electronic devices such as mobile phones, laptops and cameras are allowed. Lithium-ion batteries with a rating of 100 Wh but not exceeding 160 Wh may be carried in carry-on baggage only, with a limit of two per passenger.
Yes, prohibited items include weapons, firearms, knives, scissors with blades longer than 6 cm, and any items that could be mistaken for a weapon. Liquids, aerosols and gels are also restricted.
Yes, CATSA uses explosive trace detection (ETD) as a security measure. Screening officers may swab your carry-on baggage, clothing, shoes or laptop. If a trace of particles is detected, they will swab your hands, waist and foot to test for explosives.











































