To save on the cost of your flight from Denver to Mexico, book at least 52 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $302 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $320.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Mexico. Flights to Mexico from Denver in May are about $262 on average during May, but can be found for as low as $189.