August is the cheapest month to fly this route, with average fares around $108 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $145 | $92 | Peak | |
| June 2026 | $113 | $77 | ||
| July 2026 | $109 | $88 | ||
| August 2026 | $108 | $88 | Best |
Departing on Tuesday offers the lowest average fares at $94. Saturday departures are the most expensive at $129, a difference of $35.
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 Dallas to Denver is August, with average round-trip fares around $108. The lowest fare found in August is $88.
Tuesday departures are the cheapest, averaging $94 round trip. The most expensive day is Saturday at $129.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $145 compared to $108 in the cheapest month. June is a solid middle-ground option at $113.
Flying in August instead of May can save you approximately $37 per round trip. The cheapest month averages $108 while the most expensive averages $145.
Airlines, flight times, price calendar, and more for Dallas to Denver
View DFW → DEN Details