
Travelling with food can be tricky, especially when it comes to liquids. While the Transportation Security Administration (TSA) has strict rules for liquids, you may be surprised by the number of food items you can bring in your carry-on, including hard cheese, frozen seafood, and even fresh eggs. Canned foods, such as tuna, may be allowed in small quantities, but the final decision rests with the TSA officer at the checkpoint. It is important to note that each airport and country may have its own regulations, so it is always best to check with the specific airport or country you are travelling to or from.
| Characteristics | Values |
|---|---|
| Can of tuna allowed through airport security? | Yes, but the final decision rests with the TSA officer. |
| Weight limit per can | 150g |
| Quantity limit per person | No limit |
| Considerations | Items may be subject to additional screening or not allowed through the checkpoint if they trigger an alarm during screening, appear tampered with, or pose security concerns. |
| Other food items allowed | Hard cheese, frozen seafood, fresh eggs, pizza, pies, cakes |
| Rules for liquids | Liquids, creams, and spreadable items must comply with the 3-1-1 rule or be placed in checked luggage. |
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What You'll Learn

Tins of fish are allowed in hand luggage at Lisbon airport
In general, the Transportation Security Administration (TSA) has stringent rules for liquids, but there are exceptions for certain foods. For instance, hard cheese, frozen seafood, and fresh eggs are allowed in hand luggage. Creamy or liquid foods, such as olive oil, salsa, and peanut butter, must comply with the 3-1-1 rule or be placed in checked luggage.
Some travellers have reported successfully bringing tins of fish through Lisbon airport security without any issues. One traveller mentioned that the x-ray operator checked that the cans were sealed and weighed less than 150 grams each. Another traveller confirmed that they brought eight tins of fish weighing less than 150 grams each with no problems.
However, there are also reports of travellers being stopped by security due to concerns about the liquid content of the tins. In some cases, tins of fish have been confiscated if they are perceived to contain liquid exceeding the allowed limit. To avoid any issues, it is advisable to contact the airport directly to inquire about their specific policies and restrictions regarding tins of fish in hand luggage.
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The weight of each tin of fish must not exceed 150g
The rules and regulations regarding what food items can be brought through airport security vary depending on the country and the specific airport. It is always best to check with the relevant authorities before travelling. In the case of bringing tinned fish through airport security, there are a few things to keep in mind. Firstly, it is important to note that while some airports may consider tinned fish as a liquid, others do not. This distinction is crucial because it determines whether the item must comply with liquid restrictions, such as the 3-1-1 rule, or if it can be carried on without restriction.
In the case of Lisbon Airport, staff at a canned fish shop have confirmed that the maximum weight of each tin of fish allowed through security is 150 grams, with no limit on the quantity per person. This weight restriction is also supported by travellers' accounts of successfully bringing tins of fish not exceeding 150 grams through Lisbon Airport security without any issues.
However, it is important to recognise that the interpretation of security rules can vary between individual TSA agents. For example, one person's tinned fish may be permitted, while another's may be confiscated, depending on the discretion of the inspecting agent. Therefore, it is always a good idea to contact the specific airport or the TSA directly to confirm the most up-to-date and accurate information regarding what food items are permitted.
Additionally, it is worth noting that even if an item is generally permitted, it may still be subject to additional screening or prohibited from passing through the checkpoint if it triggers security concerns, appears tampered with, or fails to comply with other security measures, such as electronic device checks. Ultimately, the final decision regarding what items are allowed through airport security rests with the TSA officers present.
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There is no limit to the number of tins of fish you can carry
It is important to note that even if an item is generally permitted, it may be subject to additional screening or not allowed through the checkpoint if it triggers an alarm during the screening process, appears to have been tampered with, or poses other security concerns. Ultimately, the final decision rests with the TSA officer on whether an item is allowed through the checkpoint.
Additionally, the rules and regulations about what you can and cannot bring into a country vary depending on your destination. For example, the regulations for what can be brought into the U.S. are different from what the TSA allows. Therefore, it is essential to check the latest regulations for your destination country before packing any food items.
If you are unsure about whether you can bring tinned fish through airport security, it is always best to contact the airport or the TSA directly to avoid any issues during your travel.
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The TSA considers tinned fish as a liquid
The Transportation Security Administration (TSA) has strict rules regarding liquids. All liquids, gels, and aerosols must adhere to the 3-1-1 rule, which allows passengers to bring liquids in containers of 3.4 ounces or less. This rule also applies to creamy or spreadable items, such as peanut butter, jams, and cheese dips. While canned foods are not specifically listed as prohibited items by the TSA, they may require additional screening due to their appearance on X-rays or security concerns.
In the case of tinned fish, such as canned tuna or sardines, the oil or liquid in the can is considered a liquid by the TSA. As each can typically contain over 3.3 ounces of liquid, they may be subject to the liquid restrictions. Some passengers have reported successfully bringing tinned fish through security, while others have had their tinned fish confiscated. It appears that the decision of whether to allow tinned fish as a carry-on item is left to the discretion of the individual TSA agent and the airport.
To avoid any issues, it is recommended to check the tinned fish in your luggage or purchase it after passing through security. Alternatively, you can drain the liquid from the can and pack the fish separately in a container that complies with the 3-1-1 rule. It is also important to consider the potential smell of tinned fish, which may be unpleasant for other passengers.
While the TSA considers tinned fish a liquid, it is worth noting that other food items with a liquid component, such as pies, cakes, and pizza, are generally allowed in both carry-on and checked bags. These items are considered dry products, and passengers are typically permitted to bring them on board without issue. However, it is always advisable to check the latest TSA guidelines and airport regulations before packing any food items in carry-on luggage.
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The TSA's 3-1-1 rule applies to liquids and creamy or spreadable items
The Transportation Security Administration (TSA) established the 3-1-1 rule for liquids following a thwarted explosive plot targeting flights from the United Kingdom to the United States. The rule outlines the guidelines passengers must follow when travelling with liquids, aerosols, and gels.
The 3-1-1 rule states that all liquids must be under 3.4 ounces and must fit into a 1-quart-sized bag. Each passenger can only have one of these 1-quart-sized bags. Exemptions to the 3-1-1 rule include prescription medication, breast milk and formula, and duty-free liquids.
In addition to liquids, the 3-1-1 rule also applies to creamy or spreadable items since they have a soft consistency similar to a gel. This includes items such as peanut butter, olive oil, salsa, dips, jams, and preserves. These items are allowed in checked luggage but can only be carried on in containers less than 3.4 ounces.
While the 3-1-1 rule can be cumbersome for travellers, it is an important security measure that has become an international standard for air travel. Advanced 3D imaging scanners are being implemented at airports to detect hazardous liquids, and it is hoped that liquid restrictions may be lifted in the future.
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Frequently asked questions
Yes, you can bring canned tuna through airport security. However, it is not considered a liquid, so it does not fall under the 3-1-1 rule.
There doesn't seem to be a limit to the number of cans you can bring. However, some sources suggest a maximum weight of 150g per can.
No, you do not need to declare canned tuna when passing through security. However, it may be subject to additional screening if it triggers an alarm or poses security concerns.
Yes, you can bring most types of food through airport security. However, it's essential to check the regulations of your destination country, as these may vary.
If your can of tuna is over 150g, it is best to check with the specific airport or airline you are travelling through. The final decision regarding allowable items rests with the TSA officer on duty.











































