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The Ultimate Guide to Traveling with Medical Marijuana

Home » The Ultimate Guide to Traveling with Medical Marijuana
Garry Stewart
Written By Steve Brandon

January 14, 2025

passenger traveling with marijuana inside airplane cabin

Traveling with medical marijuana can feel overwhelming, given the maze of laws and regulations. Although medical cannabis is legal in many states, it remains illegal at the federal level, creating significant challenges for interstate and international travel. Understanding these rules is crucial to avoid legal issues, especially at airports or state borders.

Can You Travel with Medical Marijuana in the U.S.?

The short answer is no you cannot legally cross state lines with cannabis, even for medical purposes. This restriction applies even if both states have legalized medical marijuana. However, some states have reciprocity programs that allow out-of-state medical marijuana cardholders to access cannabis while visiting.

Reciprocity Program Examples:

  • Arkansas: Visitors can apply for a 30-day temporary card by paying a $50 non-refundable fee. Applications must be submitted in advance.
  • New Jersey: Offers a six-month visitor card for out-of-state patients, granting access similar to in-state residents.

Important Tip: Always check the possession limits in the state you’re visiting. For instance, Oregon permits residents to possess up to 24 ounces, but visitors are limited to one ounce with a valid card.

man traveling with medical marijuana in bag on airplane

Traveling by Air with Medical Marijuana:

Flying with medical marijuana is prohibited under federal law. While the Transportation Security Administration (TSA) doesn’t actively search for cannabis, they report discoveries to local authorities if deemed federally illegal.

Airline Policies:

Major airlines, such as American Airlines, explicitly ban all forms of marijuana, including medical cannabis. If you’re flying, the safest choice is to leave your cannabis at home.

Cannabis Amnesty Boxes:

For travelers who accidentally bring cannabis to the airport, certain airports offer amnesty boxes for legal disposal. Examples include:

man traveling in car with marijuana in bag

Traveling by Car with Cannabis:

Driving with medical cannabis is generally safe within legal states if you follow these guidelines:

  • Keep cannabis in its original packaging.
  • Store it in a locked container, out of sight.
  • Never consume cannabis while driving, and follow all traffic laws.

Caution: If traveling through states with strict marijuana laws, possession—even with a valid MMJ card—could lead to penalties.

two people traveling on bus and train with medical marijuana

Public Transportation – Trains, Buses, and Ferries:

Most public transportation systems, such as Amtrak and Greyhound, strictly prohibit cannabis, regardless of its legality in departure or destination states. Commuter trains and ferries typically enforce similar restrictions, including bans on smoking or transporting cannabis.
world map showing airplane travel from usa to australia with medical cannabis crossing state borders

Traveling Internationally with Medical Cannabis:

Bringing medical marijuana to another country is highly risky and often illegal. Severe penalties, including long prison sentences, are common in countries like Indonesia. Even in cannabis-tolerant nations like the Netherlands, there are strict possession limits.

Pro Tip: Never travel internationally with medical marijuana. Research the destination’s laws thoroughly and consider alternative treatments during your trip.

image of a medical marijuana card from mymmjdoctor with the heading 'want access to marijuana mmj card' and a button that says 'apply today'

Safely Storing Medical Marijuana While Traveling:

If you must travel with medical marijuana, take these precautions:

  • Keep cannabis in its original packaging with all labels intact.
  • Carry your medical marijuana card and physician’s documents.
  • Store it discreetly in a zippered compartment in your luggage.

What to Do If You’re Detained?

If detained by authorities while traveling:

  1. Stay calm and respectful.
  2. Present your medical marijuana card and supporting documentation.
  3. Contact a lawyer if necessary to protect your rights.
checklist for traveling with medical cannabis

Checklist for Traveling with Weed:

Before you travel, ensure the following:

  • Your MMJ card is valid and not expiring soon.
  • You carry copies of your card and physician’s recommendation.
  • Medical cannabis is stored in its original, labeled packaging.
  • You avoid crossing state lines or traveling internationally with cannabis.

Take Away

Traveling with medical marijuana is fraught with risks, particularly when crossing state or international borders. Stay informed about local, state, and federal laws to avoid complications.
If you’d rather avoid the hassle, enjoy the benefits of medical marijuana legally in your home state by applying for an MMJ card online. Connect with licensed physicians, and obtain your card conveniently from the comfort of your home.

FAQs

  • How to Travel with Cannabis?
    1. Know the Laws: Cannabis laws vary widely by location. Research local, state, and federal regulations before traveling.
    2. Stay Within Legal Limits: Only carry amounts allowed for personal use in your jurisdiction.
    3. Keep It Secure: Use a smell-proof, airtight container, and store cannabis in the trunk or a locked compartment during transit.
    4. Don’t Cross State Lines: Transporting cannabis across state borders is federally illegal, even if both states allow recreational or medical cannabis.
    5. Avoid Public Transportation: Most airlines, trains, and buses prohibit cannabis, even in legal states.
  • Is Traveling with Marijuana Seeds Legal?
    • In Legal States: You may transport marijuana seeds within states where cultivation and possession are legal. Ensure you stay within the legal limits.
    • Crossing State Lines: Transporting marijuana seeds across state or international borders is federally illegal, even if cannabis is legal in both areas.
    • Mailing Seeds: Mailing cannabis seeds across state lines is illegal under federal law.
  • Where Does Marijuana Smoke Travel Outside?
    • Wind Patterns: Cannabis smoke outdoors disperses quickly with wind. Its travel depends on wind speed and direction.
    • Air Quality: Humidity and temperature can influence how smoke lingers or dissipates. It tends to rise and spread in open areas.
    • Neighboring Properties: Smoking near residential areas can drift and be detectable by neighbors, potentially leading to complaints in areas with strict smoking regulations.
Illustration of a medical marijuana card with text "Get Your Medical Marijuana Card Easily" and a button saying "Apply Now"
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