To save on the cost of your flight from St Augustine to Denver, book at least 14 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $88 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $106.
August can be a great time to fly to Denver from St Augustine with a flight ticket averaging about $98. Cheapflights users have found deals in the month of August for as cheap as $36. The most expensive prices can be found in the month of December.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St Augustine to Denver as you normally would.