1. Start from Toronto and head southwest towards Buffalo, New York.
2. Continue south through Pennsylvania and into Maryland.
3. Take Interstate 81 south towards Virginia and then Interstate 77 south towards Charlotte, North Carolina.
4. From Charlotte, continue southwest on Interstate 85 to Atlanta, Georgia.
5. From Atlanta, head west on Interstate 20 towards Birmingham, Alabama.
6. Continue west through Mississippi and into Louisiana.
7. Take Interstate 10 west from Louisiana through Texas to Houston.
By plane: The best route from Toronto to Houston by plane is a direct flight, which takes about 3 hours and 30 minutes. Several airlines offer direct flights from Toronto Pearson International Airport (YYZ) to George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) in Houston.
It's important to note that the best route may vary depending on real-time traffic conditions, weather, and personal preferences. It's always a good idea to check the latest traffic and weather updates before starting your journey. Additionally, flight schedules and airline options may change, so it's recommended to check with specific airlines for the most up-to-date information on direct flights from Toronto to Houston.