坐飞机可以带 Peanut Butter / Spreads 吗？
Yes, with limits — you can bring peanut butter in carry-on bags provided you follow security limits. Security counts it as a liquid: ≤ 3.4 oz (100 ml) in carry-on.
- · Security counts it as a liquid: ≤ 3.4 oz (100 ml) in carry-on
- · Full-size jars: checked only
- · Sandwiches already made with it: fine — food, not a liquid container
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💧 3-1-1 liquids rule checker
One quart-size (≈1 L) bag per passenger; every container must be 3.4 oz (100 ml) or less.
Fit is approximate — container shape decides real-world packing. Medically necessary liquids and infant food are exempt: declare them.
各航空安保机构官方规定
Rules by security authority
United States — TSA
Carry-on
Restricted
Yes, but only up to 3.4 oz (100 ml) — TSA classifies peanut butter as a liquid. Full jars get confiscated at the checkpoint.
Checked bag
Yes
Yes, any size jar is allowed in checked bags.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
如何打包 Peanut Butter / Spreads
随身携带行李: Yes, but only up to 3.4 oz (100 ml) — TSA classifies peanut butter as a liquid. Full jars get confiscated at the checkpoint.
托运行李: Yes, any size jar is allowed in checked bags.
安检通道现场的安检官员拥有决定物品能否通过的最终裁决权。
常见问题解答 (FAQ)
Frequently asked questions
Can you bring Peanut Butter in a carry-on?
Yes, but only up to 3.4 oz (100 ml) — TSA classifies peanut butter as a liquid. Full jars get confiscated at the checkpoint.
Can you pack Peanut Butter in checked luggage?
Yes, any size jar is allowed in checked bags.
Does TSA really count peanut butter as a liquid?
Yes — spreadable foods like peanut butter, Nutella, and cream cheese count as liquids, so anything over 3.4 oz must be checked.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →