Book Cheap Flights from Portland with Alaska Airlines
Find round-trip flight deals from Portland.*
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Cabo San Lucas (SJD)*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.
One-way flight deals from Portland.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Feb 28, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Apr 7, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Apr 22, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Mar 7, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Mar 10, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Mar 14, 2026 | From $69 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Feb 8, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Feb 11, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Feb 21, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Feb 23, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Feb 25, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Seattle (SEA) | One-way | Saver | Depart: Mar 7, 2026 | From $70 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: Feb 7, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: Feb 10, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: Feb 11, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: Apr 25, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: May 2, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | Boise (BOI) | One-way | Saver | Depart: May 12, 2026 | From $78 Seen: 6 hours ago | |
| Portland (PDX) | San Diego (SAN) | One-way | Saver | Depart: Mar 17, 2026 | From $79 Seen: 6 hours ago | |
| Portland (PDX) | San Diego (SAN) | One-way | Saver | Depart: Mar 28, 2026 | From $79 Seen: 6 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.