Portland International (PDX) to Denver International (DEN).
| Departure | Return | Price |
|---|---|---|
| 05/31/2026 | 06/07/2026 | $108 |
| 05/31/2026 | 06/08/2026 | $108 |
| 06/24/2026 | 07/02/2026 | $118 |
| 06/26/2026 | 07/02/2026 | $118 |
| 07/22/2026 | 07/27/2026 | $118 |
| 08/03/2026 | 08/08/2026 | $118 |
| 06/05/2026 | 06/14/2026 | $128 |
| 06/04/2026 | 06/10/2026 | $149 |
| 06/05/2026 | 06/10/2026 | $149 |
| 07/22/2026 | 07/29/2026 | $154 |
Based on current fares, August is the cheapest month to fly from Portland to Denver, with average fares around $169 round trip (as low as $118).
See the full month-by-month and day-of-week price analysis
Best Time to Fly PDX → DENDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Portland to Denver is August, with average round-trip fares around $169. Fares in August start as low as $118. The most expensive month is May, averaging $198.
A nonstop flight from Portland to Denver takes approximately 3h.
The cheapest flight from Portland to Denver currently starts at $108 round trip in economy class.
The average round-trip flight price from Portland to Denver is $213 in economy class.
The distance is 991 miles (1595 km). with a nonstop flight time of about 3h. The lowest fare currently available is $108 departing in May. The average round-trip fare is $213.
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