Raleigh-Durham International (RDU) to Denver International (DEN).
| Departure | Return | Price |
|---|---|---|
| 05/27/2026 | 06/02/2026 | $66 |
| 05/27/2026 | 06/03/2026 | $66 |
| 05/27/2026 | 06/01/2026 | $68 |
| 06/02/2026 | 06/10/2026 | $114 |
| 06/03/2026 | 06/10/2026 | $114 |
| 08/04/2026 | 08/12/2026 | $114 |
| 06/04/2026 | 06/10/2026 | $116 |
| 08/04/2026 | 08/13/2026 | $116 |
| 06/02/2026 | 06/09/2026 | $138 |
| 06/03/2026 | 06/09/2026 | $138 |
Based on current fares, May is the cheapest month to fly from Raleigh to Denver, with average fares around $165 round trip (as low as $66).
July tends to be more expensive, averaging $222.
See the full month-by-month and day-of-week price analysis
Best Time to Fly RDU → DENDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Raleigh to Denver is May, with average round-trip fares around $165. Fares in May start as low as $66. The most expensive month is July, averaging $222.
A nonstop flight from Raleigh to Denver takes approximately 3h 30m.
The cheapest flight from Raleigh to Denver currently starts at $66 round trip in economy class.
The average round-trip flight price from Raleigh to Denver is $233 in economy class.
The distance is 1434 miles (2307 km). with a nonstop flight time of about 3h 30m. The lowest fare currently available is $66 departing in May. The average round-trip fare is $233.
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