Question : Which airline is offering the cheapest flight from YQB to PHX?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $413, while prices for other flights are as high as $467.
Question : Is the price you found a good deal?
Answer : Ranging from $413 to $467, prices for YQB to PHX change a lot less than most routes from Canada. However, the sooner you book, the more you'll be able to save.