302 - 540 USD
In general when looking for the cheapest flight to Cancún, try to book your flight during the month of March for the best deal.
From most locations, booking your flights to Cancún around 16 days prior to your departure date finds the best deals.
In general, booking your departure to Cancún for a Tuesday represents the best deal on airfare. Try to avoid a Thursday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Cancún when looking for flights with afternoon departure times.