The tunnel connects Toronto's mainland (next to the airport ferry terminal) directly to the airports' check-in area. You can easily walk the 853 feet in about 6 minutes. Moving walkways and escalators make the connection easy and quick. Access is free.
The distance to the mainland is only 121 meters, getting you to and from the foot of Bathurst. Ferries go every 15 minutes. Free for pedestrians, CAD 11 for vehicles (round trip).
Shuttle buses are complimentary and run every 15 minutes.
Other options are of course taking a taxi, your bike or your car. Parking is provided either at the ferry terminal or at the airport.
for access to departure times, security waiting times, Airport Wi-Fis, lounge access and more Billy Bishop Toronto City Centre Airport