Toronto Transit Comission (TTC) offers express service via the 192 Airport Rocket to Kipling Station. Find the clearly marked 192 Airport Rocket stops outside of Terminal 1 and 3 on the Arrivals Level. Travel time is about 25 minutes to Kipling Station, where you can connect to the Metro Bloor-Danforth subway line headed east towards Kennedy station. To reach Union Station, transfer at the Spadina station to the Yonge-University-Spadina subway line headed south. Total transit time to Downtown Toronto is approximately 1 hour and fares cost $6. If you're renting a car, note that most rental car agencies are offsite.