| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Seattle-Tacoma Portland-Oregon | Outbound 10/18/25 direct AS0707 01h 05min | Return 11/17/25 direct AS2291 01h 01min |  Alaska Airlines |  | ? | $139 | |
| Seattle-Tacoma Portland-Oregon | Outbound 09/04/25 1 Stopover (LAS) NK0782, NK0778 20h 32min | Return 09/28/25 1 Stopover (MSP) SY0296, SY0285 23h 03min |  Spirit Airlines |  | $310 | ||
| Seattle-Tacoma Portland-Oregon | Outbound 09/04/25 direct AS0498 00h 59min | Return 09/28/25 direct AS1016 01h 02min | Alaska Airlines | | ? | $141 | |
| Seattle-Tacoma Portland-Oregon | Outbound 09/04/25 direct HA6827 01h 04min | Return 09/28/25 direct HA6412 01h 04min |  Hawaiian Airlines |  | $144 | ||
| Seattle-Tacoma Portland-Oregon | Outbound 09/04/25 direct AS0498 00h 59min | Return 09/28/25 direct AS1016 01h 02min | Alaska Airlines |  | $146 | ||
| Seattle-Tacoma Portland-Oregon | Outbound 10/18/25 direct AS2264 01h 00min | Return 11/17/25 direct AS2188 00h 54min | Alaska Airlines |  | ? | $159 | |
| Seattle-Tacoma Portland-Oregon | Outbound 07/25/25 direct AS2264 00h 58min | Return 08/17/25 direct HA6397 01h 00min | Alaska Airlines | | $170 | ||
| Seattle-Tacoma Portland-Oregon | Outbound 10/18/25 direct HA6831 01h 00min | Return 11/17/25 direct HA6402 00h 53min | Hawaiian Airlines |  | ? | $246 | |
| Seattle-Tacoma Portland-Oregon | Outbound 09/04/25 direct AS0152 01h 04min | Return 09/28/25 direct HA6412 01h 04min | Alaska Airlines |  | ? | $264 | |
| Seattle-Tacoma Portland-Oregon | Outbound 10/18/25 direct HA6540 01h 05min | Return 11/17/25 direct HA6399 01h 01min | Hawaiian Airlines | | ? | $265 |
Tips and tricks to help you find cheap flights from Seattle Tacoma to Portland Oregon
Favorite airline: Alaska Airlines
85 % of flights booked on the route from Seattle-Tacoma to Portland-Oregon are booked with Alaska Airlines, Delta and Spirit Airlines.
Alaska Airlines
51 %
Delta
23 %
Spirit Airlines
11 %