Book Cheap Flights from Sun Valley with Alaska Airlines
Find round-trip flight deals from Sun Valley.*
Sun Valley (SUN)to
Seattle (SEA)
Sun Valley (SUN)to
San Diego (SAN)*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 Sun Valley.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Sun Valley (SUN) | Seattle (SEA) | One-way | Saver | Depart: Mar 21, 2026 | From $129 Seen: 3 hours ago | |
| Sun Valley (SUN) | Seattle (SEA) | One-way | Saver | Depart: Jul 23, 2026 | From $179 Seen: 4 hours ago | |
| Sun Valley (SUN) | Seattle (SEA) | One-way | Saver | Depart: Jun 21, 2026 | From $179 Seen: 8 hours ago | |
| Sun Valley (SUN) | Seattle (SEA) | One-way | Saver | Depart: May 14, 2026 | From $297 Seen: 3 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.