If you’re flying domestically (within the U.S.), you can bring pretty much any food. But international flights are a whole different buffet. Many countries forbid bringing in meat, dairy, or fresh produce.
For example, don’t try to bring a ham and cheese sandwich into Australia. They have very strict biosecurity laws. You might end up being the reason a sniffer dog gets a free snack. You monster. Always check your destination’s customs rules online before you pack that salami.
The Frozen Food Hack: A Cool Trick
Did you know you can bring frozen food through security? Yes, you can! Ice packs count as a liquid, but if your food is solidly frozen (like a frozen meal or a bag of frozen grapes), it’s allowed in your carry-on.
Just make sure it’s completely frozen when you go through the X-ray machine. If it’s partially melted, the TSA agent might give you a suspicious look. Nobody wants that kind of side-eye at 6 AM. But a fully frozen burrito? You’re a traveling genius.
Tsa international flight rules - Touristvisitorguides.com