Sit on the Left side of the plane for the best views on flights from Toronto to Cancun. Left side wins both the departure over Toronto and Lake Ontario and the arrival over the Cancun lagoon and Caribbean. During the cruise over the Gulf of Mexico, the left side also faces east toward the Yucatan Peninsula coast as you descend, giving a longer view of the Caribbean approach.

During takeoff from Lester B Pearson International (YYZ), sit on the Left side for the best views. YYZ's most common departure is runway 23 (heading southwest), which puts the left side facing southeast toward downtown Toronto and Lake Ontario. You get a clear view of the Toronto skyline including the CN Tower, the waterfront, and the lake stretching east toward Hamilton Bay. Notable sights include: CN Tower and downtown Toronto skyline, Lake Ontario shoreline, Hamilton Harbour to the west, Toronto Islands.

When landing at Cancun International (CUN), sit on the Left side for the best views. Cancun airport typically uses runway 12R/30L, with arrivals commonly from the northwest on heading 120 (southeast). On this approach, the left side faces northeast toward the Caribbean Sea, the Nichupte Lagoon, and the Hotel Zone strip. You see the turquoise shallow water contrasting with the deep blue of the open Caribbean. Notable sights include: Nichupte Lagoon, Cancun Hotel Zone barrier strip, Caribbean Sea turquoise shallows, Isla Mujeres visible offshore.

The flight from Lester B Pearson International (YYZ) to Cancun International (CUN) takes Approximately 4 hours 15 minutes.

The route tracks southwest over Lake Erie, then crosses Ohio and Kentucky before passing over Tennessee and Mississippi. It then crosses the Gulf of Mexico for roughly 90 minutes of open water with no landmarks, before the Yucatan Peninsula coast appears. The shallow turquoise waters of the Gulf shelf become visible as you descend toward Cancun.