| Portland-Oregon Washington DC | 09/29/24 1 Stopover (BOS) B60096, B61655 07h 42min | 10/14/24 1 Stopover (DEN) F90689, F92687 07h 41min |  JetBlue Airways |  | ? | $446 found 3 days ago | Check |
| Best option Portland-Oregon Washington DC | 09/29/24 direct AS0010 05h 01min | 10/14/24 direct AS0009 06h 00min |  Alaska Airlines |  | ? | $892 found 3 days ago | Check |
| Portland-Oregon Washington DC | 09/29/24 1 Stopover (DEN) F91790, F90686 08h 21min | 10/14/24 1 Stopover (DEN) F90685, F92687 19h 40min |  Frontier Airlines |  | $448 found 3 days ago | Check | |
| Portland-Oregon Washington DC | 09/29/24 1 Stopover (ORD) UA1490, UA1143 15h 03min | 10/14/24 1 Stopover (SFO) UA0395, UA1318 09h 29min |  United Airlines |  | ? | $527 found 3 days ago | Check |
| Portland-Oregon Washington DC | 09/29/24 1 Stopover (ORD) UA1490, UA0734 19h 44min | 10/14/24 1 Stopover (SFO) UA0395, UA1318 09h 29min | United Airlines |  | ? | $533 found 3 days ago | Check |
| Portland-Oregon Washington DC | 09/29/24 1 Stopover (IAH) UA0426, UA1098 08h 31min | 10/14/24 1 Stopover (SFO) UA0395, UA1318 09h 29min | United Airlines |  | ? | $592 found 3 days ago | Check |
| Portland-Oregon Washington DC | 09/29/24 1 Stopover (LAX) AS1143, AS0006 09h 34min | 10/14/24 direct AS0009 06h 00min | Alaska Airlines |  | $732 found 3 days ago | Check |
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Booking tips
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 %