Please uncheck any airports you do not want in your selection, and then press the 'Show me how to get from Yyz to Bkk' button at the bottom of the screen.

Matches for YYZ as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Pearson International Apt	YYZ	Toronto	Canada

Matches for BKK as three letter airport code or city name

Include	Airport name	Airport code	City	Country
	Bangkok Suvarnabhumi Don Muang International Airport	BKK	Bangkok	Thailand