August is the cheapest month to fly this route, with average fares around $158 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $171 | $114 | ||
| June 2026 | $176 | $108 | ||
| July 2026 | $179 | $108 | Peak | |
| August 2026 | $158 | $108 | Best |
Departing on Tuesday offers the lowest average fares at $137. Saturday departures are the most expensive at $207, a difference of $70.
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 Atlanta to Denver is August, with average round-trip fares around $158. The lowest fare found in August is $108.
Tuesday departures are the cheapest, averaging $137 round trip. The most expensive day is Saturday at $207.
Based on current pricing trends, booking for August travel offers the best value. Avoid July if possible, as fares average $179 compared to $158 in the cheapest month. June is a solid middle-ground option at $176.
Flying in August instead of July can save you approximately $21 per round trip. The cheapest month averages $158 while the most expensive averages $179.
Airlines, flight times, price calendar, and more for Atlanta to Denver
View ATL → DEN Details