
Bringing food through airport security can be tricky, with restrictions on liquids and sharp objects. While some travellers have brought sandwiches, salads, and even pizzas through security, others have had issues with certain foods, like a warm burrito wrapped in foil. So, can you bring a Subway through airport security? The answer is, it depends. Subway sandwiches are wrapped, but not sealed, and they contain mayonnaise, which is considered a loose condiment by some. To be safe, you could ask for your Subway to be cut into pieces and placed in separate bags, or you could remove the mayonnaise. Ultimately, the decision rests with the TSA officer, and it may depend on the airport and the specific officer you encounter.
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What You'll Learn

Subway sandwiches contain mayo, which is not allowed through security
Bringing food through airport security can be tricky, and it is important to be aware of the restrictions in place. While you can bring sandwiches through security, sauces and spreads like mayonnaise are not allowed. This poses a problem for Subway sandwiches, which are usually made with mayonnaise.
According to the Transportation Security Administration (TSA), travellers are allowed to bring wrapped sandwiches through security, but no condiments like ketchup or mayo. While Subway sandwiches are wrapped, they are not sealed and contain mayonnaise, which may cause issues at security.
Some travellers have expressed confusion about the TSA guidelines, questioning whether the restriction applies to "loose" mayonnaise only. However, to avoid any disappointment or delays, it is advisable to refrain from bringing Subway sandwiches or other foods containing mayonnaise through airport security. It is worth noting that the final decision on whether food items are permitted rests with the TSA officer at the checkpoint.
To ensure a smooth journey through security, it is recommended to plan ahead and follow the guidelines provided by the TSA. This may include separating food items from carry-on bags to facilitate screening and avoid clutter during the X-ray process. Additionally, travellers are encouraged to pack their food items carefully, considering alternatives to foil wrapping and avoiding dipping sauces unless they comply with liquid restrictions.
While bringing a Subway sandwich on board may be convenient, it is important to be mindful of the restrictions on mayonnaise and similar condiments. To enjoy your favourite Subway sandwich during your travels, consider consuming it before reaching the security checkpoint or opting for a different sauce that complies with the TSA guidelines.
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It's best to put your Subway in a baggie
Bringing food through airport security can be tricky, but it's definitely possible to do so successfully. While official sources can be confusing, it's clear that solid foods like sandwiches and snacks are generally allowed. Liquids, on the other hand, are a no-go—so no soups or sauces above 3.4 ounces. This can make a Subway sandwich, which is usually wrapped but not sealed and often contains mayonnaise, a tricky item to navigate through security.
To increase your chances of getting your Subway through security, it's best to put your sandwich in a baggie. This keeps things neat and tidy and makes it easier for TSA officers to do their job without "messing things up." It's also a good idea to keep your food in a separate bag from your electronics and shoes, which you'll place in a bin for screening. That way, you avoid having too many hands in your food bag, reducing the risk of germs.
It's worth noting that some airports and TSA agents may be stricter than others, and there may be additional restrictions on bringing food into certain countries. For example, one person reported having a warm breakfast burrito confiscated, and meat sandwiches can be an issue when entering the United States. So, it's always a good idea to check the regulations for your specific airport and destination.
To make your life easier, you could also buy your Subway after passing through security. That way, you avoid the hassle of trying to get it through screening, and you can enjoy a fresh sandwich on your flight. However, if you're particular about your Subway order or are facing a long flight without appealing food options, it might be worth the risk to bring your own.
Ultimately, the final decision on whether your Subway sandwich can come with you through airport security rests with the TSA officer. So, if in doubt, you can always ask them for clarification on what's allowed and what isn't. With a little preparation and flexibility, you can enjoy your favorite sandwich, even while traveling by air.
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You can bring solid food through security, but not liquids
You can bring solid food items through airport security, but not liquids. This means that sandwiches, snacks, and other solid foods are generally allowed, while liquids such as soups, drinks, and sauces are not. However, there are specific rules and guidelines regarding the type of food and its packaging that you can refer to before planning your travel.
The Transportation Security Administration (TSA) has stringent rules for liquids but allows solid foods in carry-on luggage. Hard cheese, frozen seafood, fresh eggs, and other similar items are allowed. Fresh fruits and vegetables are also permitted in checked bags, and most of the time, the TSA allows bringing solid, fresh foods in carry-ons. However, soft, mashed, or liquid foods are subject to the 3-1-1 rule, which states that liquids must be in containers of 3.4 ounces or less. This rule also applies to creamy or spreadable items, including butter, peanut butter, salsa, jams, and chocolate spread.
Food items such as cookies, bread, cakes (without liquid), and other baked goods can be easily taken through security. Sealed food in plastic or foil packets is also allowed. Canned food, on the other hand, can be tricky due to the liquid content and difficulty in X-ray screening. It is best to pack canned goods in checked luggage.
It is important to note that even if an item is generally permitted, it may be subject to additional screening or may not be allowed through the checkpoint if it triggers an alarm, appears tampered with, or poses security concerns. The final decision rests with the TSA officer. Therefore, it is recommended to plan and pack properly to facilitate the screening process and enhance your travel experience.
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You may be asked to separate food from your carry-on bag
Bringing food through airport security can be tricky, and it's important to know the rules to avoid any issues. While you can generally bring solid foods like sandwiches, snacks, and even pizzas through security, liquids are typically not allowed. This includes soups, sauces, and salad dressings, which must be under 3.4 ounces (100 ml) and placed in your liquids bag when passing through security.
Some travellers have reported that bringing food through security depends on the airport and the individual TSA agent. For example, one person mentioned that their breakfast burrito was confiscated because it was wrapped in foil, while another traveller successfully brought a whole pizza through without any issues. To minimise the risk of having your food confiscated, it's recommended to avoid bringing foods that contain large amounts of liquids or that are wrapped in foil.
Subway sandwiches, in particular, may be subject to scrutiny due to their packaging and ingredients. While the sandwiches are wrapped, they are not sealed and often contain mayonnaise, which the TSA considers a loose condiment. To increase the chances of bringing your Subway sandwich onboard, you could ask for the sandwich to be cut into quarters and placed in separate baggies. This way, it more closely resembles a packed lunch and may be more likely to be allowed through security.
Ultimately, the final decision rests with the TSA officer on whether your food items are allowed through the checkpoint. To facilitate the screening process, it is recommended to separate food items from your carry-on bag and avoid bringing liquids or foods with a high liquid content. You may also be asked to separate other items, such as powders or materials that can clutter the bag and obstruct clear images on the X-ray machine.
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You can bring frozen liquids through security
While you can bring food through airport security, liquids are typically not allowed. However, an exception to this rule is frozen liquids. According to the Transportation Security Administration (TSA), frozen liquid items are permitted through the checkpoint as long as they are "frozen solid when presented for screening." This means that if you want to bring a beverage from home to enjoy on the plane, you can freeze it and take it through security.
It is important to note that if the frozen liquid item has partially melted, become slushy, or has any liquid at the bottom of the container, it must meet the standard 3-1-1 liquids requirements, which allow liquids, gels, aerosols, and spreadables in containers no larger than 3.4 ounces. An exception to this rule is breast milk, which is allowed in carry-on baggage in quantities greater than 3.4 ounces.
Additionally, the TSA considers formula, breast milk, toddler drinks, and baby/toddler food, including puree pouches, to be "medically necessary liquids." These items are allowed in carry-on baggage in quantities greater than 3.4 ounces and do not need to fit within a quart-sized bag. This also applies to breast milk and formula cooling accessories, such as ice packs and freezer packs, even if there is no breast milk or formula present.
It is worth noting that the final decision on whether an item is allowed through the checkpoint rests with the TSA officer. Even if an item is generally permitted, it may be subject to additional screening or not allowed through if it triggers an alarm, appears tampered with, or raises security concerns.
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Frequently asked questions
Yes, you can bring a Subway sandwich through airport security. However, Subway sandwiches contain mayonnaise, and some TSA sources advise against bringing food with ketchup or mayonnaise through security. The final decision rests with the TSA officer, and it may depend on the airport and TSA agent you encounter.
Yes, you cannot bring liquids through airport security. This includes soup, unless it is frozen. You should also avoid bringing sharp objects or utensils.
You should keep your carry-on bag uncluttered to ease the screening process. It is recommended to separate food from other items in your bag, such as electronics, and you may be instructed by TSA officers to do so.
If your food is not allowed through the checkpoint, you will be required to surrender it before boarding your flight. Neither the airline nor the airport is obliged to store or return surrendered items.











































