TSA will confiscate cannabis at any checkpoint, but will not call police unless they find it during a bag search

TSA officers do not search for marijuana. Their job is to find weapons and explosives. If cannabis is visible or falls out of your bag during screening, they will take it. If they discover it while unpacking your bag for another reason — a prohibited item, an alarm from the metal detector, or a random bag check — they will confiscate it and may call local law enforcement, depending on the airport and the amount.

The federal government still classifies cannabis as a Schedule I controlled substance, which means it is illegal to transport across state lines, even between states where it is legal to possess. TSA follows federal law, not state law. This applies to all forms: flower, edibles, concentrates, vape cartridges, and oils.

The outcome depends on where you are flying. At some airports, TSA officers are instructed to call police. At others, they throw it away and let you go. You cannot predict which airport will do which, and the decision can change based on the officer, the time of day, and how much you are carrying.

Key Takeaways

  • TSA does not actively search for cannabis, but will confiscate it if found during routine screening or bag inspection.
  • Whether police are called depends on the airport, the officer, and local law — not on TSA policy alone.
  • Cannabis in any form (flower, edibles, vapes, oils) is prohibited in both carry-on and checked bags under federal law.
  • The safest option is to not pack cannabis when flying, or to use it before you arrive at the airport.

How TSA screening actually works for cannabis

TSA uses X-ray machines to scan carry-on bags and checked luggage. Cannabis flower and some edibles may show up on the X-ray as an unidentifiable object, which triggers a bag search. Vape cartridges and some concentrates may not show clearly on X-ray, which is why many people attempt to pack them — but if an officer opens your bag for any other reason and finds them, they will be confiscated.

If your bag triggers an alarm from the metal detector or if an officer decides to do a random physical search, they will open it and look through the contents by hand. This is where cannabis is most often discovered. Once found, the officer will remove it and document it. What happens next is not up to TSA — it is up to the airport police and local prosecutors.

What happens after TSA finds cannabis

At major airports in states where cannabis is legal (California, Colorado, Washington), TSA officers are often instructed to confiscate it and discard it without calling police, as long as the amount is small and you are not carrying paraphernalia or other contraband. You will lose the cannabis, but you will not be arrested or cited.

At other airports, or if you are carrying a large amount, TSA will call airport police or the local police department. From that point, you are dealing with law enforcement, not TSA. Possession of cannabis is still a federal crime, and state law does not override it. You could be arrested, cited, or released with a warning depending on the jurisdiction and the officer's discretion.

TSA does not have the authority to arrest you or press charges. They can only confiscate the item and call police. The decision to prosecute is made by local authorities, and enforcement varies widely. Some airports and jurisdictions treat it as a low priority; others do not.

Checked bags versus carry-on bags

Cannabis is prohibited in both. The rules are the same. Some people believe checked bags are safer because they are not physically opened as often as carry-on bags, but TSA can and does open checked bags. If your checked bag is selected for inspection and cannabis is found, it will be confiscated and police may be called.

Checked bags are also handled by baggage handlers and may be opened by customs if you are flying internationally. The risk of discovery is lower, but not zero, and the consequences are the same.

Flying between states where cannabis is legal

It does not matter. Federal law applies at the airport, not state law. You cannot legally transport cannabis across state lines, even if both states allow it. TSA enforces federal law. If you are caught, you are subject to federal penalties, not state penalties — though in practice, local prosecutors decide whether to charge you.

Some airports have posted signs saying TSA will not search for cannabis, which has led people to believe it is safe to pack. These signs mean TSA will not go out of their way to find it, not that it is legal or that you will not be arrested if it is discovered during a routine search.

What to do if TSA finds cannabis in your bag

Do not resist or argue. TSA will confiscate it. If police are called, you have the right to remain silent and the right to speak to a lawyer before answering questions. Do not consent to a search of your person or your other belongings unless police have a warrant or you are being arrested.

If you are arrested or cited, contact a criminal defense attorney in that jurisdiction as soon as possible. Federal drug charges carry serious penalties, and the laws vary by state and by how much you were carrying. An attorney can advise you on your options and your rights.

Alternatives if you use cannabis regularly

If you use cannabis and need to travel, the safest option is to not pack it. Use it before you leave for the airport, or wait until you arrive at your destination and purchase it legally there if it is legal in that state.

If you are traveling to a state where cannabis is illegal and you use it for medical reasons, research that state's medical cannabis laws before you travel. Some states have reciprocal programs that recognize out-of-state medical cards; most do not. Bringing it across state lines is still illegal under federal law, even with a medical card.

Frequently Asked Questions

Will TSA call police if they find a small amount of cannabis?

It depends on the airport and the officer. At some airports, small amounts are confiscated and discarded without police involvement. At others, police are called regardless of the amount. You cannot predict which will happen, and the decision is not made by TSA policy alone.

Can I pack cannabis in my checked bag instead of my carry-on?

No. Cannabis is prohibited in both checked and carry-on bags. Checked bags are opened less frequently, so the risk of discovery is lower, but TSA can and does inspect checked bags. If found, it will be confiscated and police may be called.

What if I have a medical cannabis card from my home state?

A medical card does not override federal law. TSA will still confiscate cannabis, and police may still be called. Federal law does not recognize state medical cannabis cards. Some states have reciprocal agreements, but flying across state lines is still illegal under federal law.

Will I be arrested if TSA finds cannabis?

Not automatically. TSA will confiscate it and may call police. Whether you are arrested depends on local law enforcement, the amount you were carrying, and the jurisdiction. Some areas treat it as a low priority; others do not.

Can I mail cannabis to another state?

No. Mailing cannabis across state lines is a federal crime, even between states where it is legal. The U.S. Postal Service and private carriers like FedEx and UPS are prohibited from shipping it. Doing so can result in federal charges.