Alaska Airlines Flights from Seattle to Sun Valley
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1 Passenger
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Lowest fares from Seattle to Sun Valley
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One-way low-fare flights Seattle to Sun Valley.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 18, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 24, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 28, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Apr 7, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Apr 15, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Apr 18, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Apr 1, 2026 | From $129 Seen: 19 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: May 16, 2026 | From $129 Seen: 19 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.