| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Denver Portland-Oregon | Outbound 11/09/25 1 Stopover (ONT) F91261, F93335 05h 43min | Return 12/07/25 direct F91790 02h 34min |  Frontier Airlines |  | $108 found 3 days ago | ||
| Best option Denver Portland-Oregon | Outbound 09/25/25 direct F92687 02h 43min | Return 10/05/25 direct F91790 02h 39min | Frontier Airlines |  | $135 | ||
| Denver Portland-Oregon | Outbound 11/09/25 1 Stopover (ONT) F91261, F93335 05h 43min | Return 12/07/25 direct F91790 02h 34min | Frontier Airlines |  | ? | $113 found 3 days ago | |
| Denver Portland-Oregon | Outbound 11/09/25 1 Stopover (ONT) F91261, F93335 05h 43min | Return 12/07/25 direct F91790 02h 34min | Frontier Airlines | | $116 found 3 days ago | ||
| Denver Portland-Oregon | Outbound 11/09/25 direct HA4861 02h 54min | Return 12/07/25 direct F91790 02h 34min |  Hawaiian Airlines |  | ? | $140 found 3 days ago | |
| Denver Portland-Oregon | Outbound 09/25/25 direct F92687 02h 43min | Return 10/05/25 direct F91790 02h 39min | Frontier Airlines |  | $142 | ||
| Denver Portland-Oregon | Outbound 09/25/25 direct F92687 02h 43min | Return 10/05/25 direct F91790 02h 39min | Frontier Airlines | | $146 | ||
| Denver Portland-Oregon | Outbound 09/25/25 direct F92687 02h 43min | Return 10/05/25 direct F91790 02h 39min | Frontier Airlines | | ? | $148 | |
| Denver Portland-Oregon | Outbound 11/09/25 direct AS0679 02h 54min | Return 12/07/25 direct F91790 02h 34min |  Alaska Airlines |  | ? | $149 found 3 days ago | |
| Denver Portland-Oregon | Outbound 09/25/25 direct AS1131 02h 43min | Return 10/05/25 direct F91790 02h 39min | Alaska Airlines | | ? | $159 |
Tips and tricks to help you find cheap flights from Denver to Portland Oregon
Favorite airline: Frontier Airlines
48 % of flights from Denver to Portland-Oregon are booked with Frontier Airlines.
Frontier Airlines
48 %
United Airlines
29 %
Delta
14 %