Alaska Airlines Flights from Phoenix to Seattle
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1 Passenger
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Lowest fares from Phoenix to Seattle
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One-way low-fare flights Phoenix to Seattle.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Jan 21, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Feb 7, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Feb 26, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Feb 18, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Feb 28, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Mar 26, 2026 | From $59 Seen: 6 hours ago | |
| Phoenix (PHX) | Seattle (SEA) | One-way | Saver | Depart: Jan 17, 2026 | From $59 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.