Does TSA check for weed in checked luggage?

No. TSA does not specifically search checked luggage for marijuana. Its checked-bag screening is focused on security threats, such as explosives and prohibited items. That answer comes with a hard caveat: TSA screens checked bags, and marijuana can be found during that process. If a TSA officer finds weed, the agency says it refers the matter to law enforcement.

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What TSA screens for in checked bags

Checked baggage goes through security screening before it is loaded. TSA uses X-ray and CT scanners, explosive trace detection, and physical bag inspections. Those checks are not drug searches. They are designed to stop weapons, explosives, and other hazards from reaching an aircraft.

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What happens if marijuana is found

  1. TSA identifies an item during routine screening.
  2. The bag may be opened for a physical inspection.
  3. If the item appears to be marijuana, TSA contacts law enforcement.
  4. Law enforcement decides what happens next based on the airport's jurisdiction and the facts.

TSA does not arrest people for marijuana. It hands the issue to police or another law enforcement agency at the airport.

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Federal law still applies at airports

Airports and security checkpoints operate under federal authority. Marijuana remains a Schedule I controlled substance under federal law. A state medical card or a state legalization law does not create a federal defense at a TSA checkpoint. Crossing state lines with marijuana is also a federal issue, even when both states allow cannabis.

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Checked luggage is not a workaround

Checked bags are screened out of sight, but they are not exempt. Scanners can show shapes and densities. Random inspections happen. Residue alarms can trigger a manual search. Packing weed in a checked bag does not avoid the checkpoint; it adds a federal screening layer.

Practical rule for travelers

Leave cannabis at home. Do not put flower, edibles, vapes, concentrates, or cannabis-infused products in checked luggage or carry-on bags. If you need medication during a trip, carry only legally prescribed medication in its original packaging and follow TSA's medication rules. For cannabis, the safe answer is simple: do not fly with it.