Which airport has the designator code YYJ?

The airport with the designator code YYJ is indeed Victoria International Airport, located in Victoria, British Columbia. Designator codes like YYJ are part of the International Civil Aviation Organization (ICAO) or the International Air Transport Association (IATA) coding systems, which assign unique identifiers to airports worldwide.

In this case, the code YYJ is derived from the city name "Victoria." The "Y" prefix is common for Canadian airports, while the "J" identifies the specific airport. Thus, recognizing the city's initials and the pattern used in Canadian airport designations leads to the correct identification of Victoria International Airport.

The other choices provided are associated with different airports: Vancouver International Airport uses the designator YVR; Toronto Pearson International Airport is identified by YYZ; and Yellowknife Airport's code is YZF. Each of these designators corresponds to their respective geographic locations, highlighting the unique coding system used for airports across the globe.