Yes, you can bring pre-rolls on the plane while traveling within Canada only adn you should proceed with caution. As long as the total amount of cannabis you possess does not exceed the maximum limit of 30 grams, you can carry pre-rolls in either your carry-on or checked baggage.
However, it's important to note that if your flight is diverted to the United States, different regulations apply. In fact, you may be required to disembark from the aircraft and go through the customs process. In such a case, it is important to immediately contact the Canadian Embassy, as you may be arrested and detained in the United States since their federal regulations forbid cannabis entering their country.