Alaska Airlines Flights from Portland to Washington, D.C.
Lowest fares from Portland to Washington, D.C.
One-way low-fare flights Portland to Washington, D.C..*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Jul 11, 2026 | From $250 Seen: 2 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 2, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 19, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 23, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 24, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 28, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 29, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Sep 30, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (IAD) | One-way | Saver | Depart: Oct 4, 2026 | From $169 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Sep 16, 2026 | From $243 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Oct 6, 2026 | From $243 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Sep 9, 2026 | From $243 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Sep 23, 2026 | From $243 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Jun 10, 2026 | From $249 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Oct 3, 2026 | From $253 Seen: 10 hours ago | |
| Portland (PDX) | Washington, D.C. (DCA) | One-way | Saver | Depart: Jul 21, 2026 | From $259 Seen: 10 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.