| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Denver Portland-Oregon | Outbound 05/16/26 direct F92553 02h 53min | Return 05/29/26 direct AS0711 02h 47min |  Frontier Airlines |  | $124 | ||
| Denver Portland-Oregon | Outbound 05/16/26 direct F92553 02h 53min | Return 05/29/26 direct AS0711 02h 47min | Frontier Airlines |  | ? | $132 | |
| Denver Portland-Oregon | Outbound 05/16/26 direct F92553 02h 53min | Return 05/29/26 direct AS0711 02h 47min | Frontier Airlines |  | ? | $178 | |
| Denver Portland-Oregon | Outbound 05/16/26 direct AS0714 02h 49min | Return 05/29/26 direct AS0711 02h 47min |  Alaska Airlines |  | ? | $182 | |
| Denver Portland-Oregon | Outbound 07/26/26 direct AS1626 02h 48min | Return 08/05/26 direct F91790 02h 40min | Alaska Airlines | | $203 | ||
| Denver Portland-Oregon | Outbound 07/26/26 direct AS1626 02h 48min | Return 08/05/26 direct AS1627 02h 39min | Alaska Airlines |  | ? | $204 | |
| Denver Portland-Oregon | Outbound 07/26/26 direct UA1247 02h 40min | Return 08/05/26 direct AS1568 02h 46min |  United Airlines | | ? | $231 | |
| Denver Portland-Oregon | Outbound 07/26/26 direct F92553 02h 48min | Return 08/05/26 direct F91790 02h 40min | Frontier Airlines |  | ? | $236 | |
| Denver Portland-Oregon | Outbound 03/28/26 direct AS0679 02h 49min | Return 04/25/26 direct F91790 02h 40min | Alaska Airlines | | ? | $345 | |
| Denver Portland-Oregon | Outbound 03/28/26 direct AS0679 02h 49min | Return 04/25/26 direct AS0684 02h 50min | Alaska Airlines |  | $362 |
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 %