Can you bring a jar of peanut butter on a plane?

Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.



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Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.

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The TSA has spoken: In March, the airport-security agency nearly broke the internet when it declared that it considers peanut butter to be a liquid and therefore subject to the 3.4-ounce limit for carry-on bags. Its reasoning: “A liquid has no definite shape and takes a shape dictated by its container.”

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Because the TSA considers the nut spread a liquid, plane passengers must limit the amount they bring in their carry-ons. Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.

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Passengers can still bring nut products onboard themselves. Peanuts are not served onboard or included in meals. Food may not have been produced in a nut-free environment, however. Other nuts may be served to passengers as snacks.

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Foods you can't pack in your carry-on
Think: creamy cheeses, liquid chocolate, liquid coffee, creamy dips and spreads, gravy, honey, hummus, ice cream, jam, jelly, juice, syrup, peanut butter, salad dressing, sauce, salsa, soda, soup and yogurt.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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Like all other liquids, passengers are limited to 3.4 oz or less of peanut butter in their carry-on bag, but can also put the snack in their checked baggage.

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Solid food items (not liquids or gels) can be transported in either your carry-on or checked bags. Liquid or gel food items larger than 3.4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible.

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Each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or100 milliliters. Each passenger is limited to one quart-size bag of liquids, gels and aerosols.

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Yes, you can bring glass on a plane. Glass, glass picture frames and glass vases are allowed in checked and carry on luggage according to the TSA. Glass bottles less than 100ml are allowed in hand luggage, if not they go in the hold, with no quantity limit on alcohol less than 24%ABV and up to 5 litres for 24-70%ABV.

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Yes, you may pack food in your carry-on or checked bag, but remember all food must undergo x-ray screening. Foods that are liquids, gels, or aerosols must comply with the 3-1-1 liquids rule. TSA officers make the final decision on whether certain items are permitted into the secured areas of the airport.

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There's a reason for it, it's not just made up. Salt water is considered mildly corrosive - aka may rust things. Sure, most of the metal in a plane is aluminum (and now carbon composite in the 787 and A350), but not all of it.

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Dips, Jams, Creamy Cheese, and Spreads Salsa, creamy cheese, dips, peanut butter, jams, preserves, and other items like these are all OK to put in checked luggage, but can only be carried on in containers less than 3.4 ounces.

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