August is the cheapest month to fly this route, with average fares around $203 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $236 | $220 | Peak | |
| June 2026 | $226 | $184 | ||
| July 2026 | $208 | $158 | ||
| August 2026 | $203 | $158 | Best |
Departing on Wednesday offers the lowest average fares at $189. Saturday departures are the most expensive at $244, a difference of $55.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Miami to Denver is August, with average round-trip fares around $203. The lowest fare found in August is $158.
Wednesday departures are the cheapest, averaging $189 round trip. The most expensive day is Saturday at $244.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $236 compared to $203 in the cheapest month. June is a solid middle-ground option at $226.
Flying in August instead of May can save you approximately $33 per round trip. The cheapest month averages $203 while the most expensive averages $236.
Airlines, flight times, price calendar, and more for Miami to Denver
View MIA → DEN Details