Yes, you are allowed to bring tobacco products with you on a plane, but there are some restrictions. First, all tobacco products must be placed in your carry-on bag or checked bag. You are not allowed to smoke tobacco products on the plane, and you are not allowed to use electronic cigarettes or other electronic nicotine delivery systems.
Tobacco products include cigarettes, cigars, pipe tobacco, snuff, chewing tobacco, and any other product that contains tobacco. The Transportation Security Administration (TSA) does not allow you to bring more than 3.4 ounces (100 milliliters) of liquid tobacco products in your carry-on bag or checked bag.
You can find more information about what you can bring on a plane on the TSA website.
Other related questions:
Q: How much tobacco can I bring on a plane?
A: There is no limit to the amount of tobacco you can bring with you on a plane, but keep in mind that all carry-on baggage is subject to search by TSA.
Q: Can I put tobacco in my checked luggage?
A: You should check with your airline to see if they allow tobacco products in checked luggage.