May is the cheapest month to fly this route, with average fares around $165 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $165 | $66 | Best | |
| June 2026 | $200 | $114 | ||
| July 2026 | $222 | $186 | Peak | |
| August 2026 | $176 | $114 |
Departing on Wednesday offers the lowest average fares at $170. Saturday departures are the most expensive at $230, a difference of $60.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Raleigh to Denver is May, with average round-trip fares around $165. The lowest fare found in May is $66.
Wednesday departures are the cheapest, averaging $170 round trip. The most expensive day is Saturday at $230.
Based on current pricing trends, booking for May travel offers the best value. Avoid July if possible, as fares average $222 compared to $165 in the cheapest month. June is a solid middle-ground option at $200.
Flying in May instead of July can save you approximately $57 per round trip. The cheapest month averages $165 while the most expensive averages $222.
Airlines, flight times, price calendar, and more for Raleigh to Denver
View RDU → DEN Details