Lowest Priced Flights to Sun Valley on Alaska Airlines starting at $98*
Most popular flights to Sun Valley on Alaska Airlines.*
Seattle (SEA)to
Sun Valley (SUN)Seattle (SEA)to
Sun Valley (SUN)Seattle (SEA)to
Sun Valley (SUN)Seattle (SEA)to
Sun Valley (SUN)Seattle (SEA)to
Sun Valley (SUN)San Diego (SAN)to
Sun Valley (SUN)Portland (PDX)to
Sun Valley (SUN)*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.
Top offers for Sun Valley one-way flights.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 18, 2026 | From $98 Seen: 13 hours ago | |
| San Diego (SAN) | Sun Valley (SUN) | One-way | Saver | Depart: Feb 18, 2026 | From $139 Seen: 7 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Feb 16, 2026 | From $169 Seen: 13 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 21, 2026 | From $169 Seen: 9 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 5, 2026 | From $169 Seen: 9 hours ago | |
| San Diego (SAN) | Sun Valley (SUN) | One-way | Saver | Depart: Feb 20, 2026 | From $169 Seen: 13 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Jun 30, 2026 | From $179 Seen: 7 hours ago | |
| Seattle (SEA) | Sun Valley (SUN) | One-way | Saver | Depart: Jul 1, 2026 | From $204 Seen: 5 hours ago | |
| San Diego (SAN) | Sun Valley (SUN) | One-way | Saver | Depart: Mar 18, 2026 | From $269 Seen: 14 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.
Plan a trip to Sun Valley
The brainchild of the chairman of Union Pacific Railroad who wanted to create a destination ski resort to increase ridership, Sun Valley encompasses the Sun Valley ski resort and the nearby town of Ketchum. The 1932 Winter Olympics and celebrity promotions helped make Sun Valley a popular destination for athletes and travelers alike (including Clark Gable and Ernest Hemingway.) Hike the rugged trails and take in the breathtaking views of Sawtooth National Recreation Area in spring, summer, and autumn. After a satisfying day of good walking, treat yourself to a dip in one of the 13 soothing hot springs of Sun Valley - bring drinking water and a towel with you. Drop by the Sun Valley Center for the Arts for a lecture by a famous author, a class on color, or a play performed by the Center's own Company of Fools.
View airport information for Sun Valley (SUN)