| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Portland-Oregon Washington DC | Outbound 03/26/26 1 Stopover (DEN) F91790, F90690 06h 55min | Return 03/31/26 direct AS0009 05h 57min |  Frontier Airlines |  | $374 | ||
| Portland-Oregon Washington DC | Outbound 03/26/26 1 Stopover (DEN) F91790, F90690 06h 55min | Return 03/31/26 direct AS0009 05h 57min | Frontier Airlines |  | ? | $385 | |
| Portland-Oregon Washington DC | Outbound 03/26/26 1 Stopover (ORD) AA0820, AA0603 09h 04min | Return 03/31/26 1 Stopover (ORD) AA4484, AA2128 09h 21min |  American Airlines |  | ? | $423 | |
| Portland-Oregon Washington DC | Outbound 03/26/26 1 Stopover (SEA) AS0403, AS0002 09h 59min | Return 03/31/26 direct AS0009 05h 57min |  Alaska Airlines | | $456 | ||
| Portland-Oregon Washington DC | Outbound 03/26/26 1 Stopover (LAX) HA6426, HA6706 09h 45min | Return 03/31/26 direct HA6709 05h 57min |  Hawaiian Airlines |  | ? | $664 |
Tips and tricks to help you find cheap flights from Portland Oregon to Washington DC
Favorite airline: e.g. Frontier Airlines, United Airlines
The favorite airline for flights from Portland-Oregon to Washington DC is Frontier Airlines.
Frontier Airlines
33 %
United Airlines
33 %
Alaska Airlines
17 %