- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 45% on select hotels after you book a flight*
Plan, book, fly with confidence
How much is the cheapest flight to Sun Valley?
Prices were available within the past 7 days and start at NT$22,188 for one-way flights and NT$35,589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Oct 31 - Fri, Nov 8
TPE
Taoyuan Intl.
BOI
Boise
NT$35,589 Roundtrip, found 2 hours ago
NT$35,589
Roundtrip
found 2 hours ago
Sat, Mar 15 - Sun, Mar 23
TPE
Taoyuan Intl.
BOI
Boise
NT$36,982 Roundtrip, found 13 hours ago
NT$36,982
Roundtrip
found 13 hours ago
Sat, Mar 15 - Sun, Mar 23
TPE
Taoyuan Intl.
BOI
Boise
NT$39,582 Roundtrip, found 13 hours ago
NT$39,582
Roundtrip
found 13 hours ago
Sun, Sep 1 - Sat, Sep 14
TPE
Taoyuan Intl.
SUN
Friedman Memorial
NT$45,565 Roundtrip, found 2 days ago
NT$45,565
Roundtrip
found 2 days ago
Thu, Oct 31 - Fri, Nov 8
TPE
Taoyuan Intl.
BOI
Boise
NT$47,498 Roundtrip, found 2 hours ago
NT$47,498
Roundtrip
found 2 hours ago
Frequently asked questions
Destination airport | Boise |
Destination airport IATA code | BOI |
Destination city name | Boise |
Roundtrip price | NT$6,010 |
Get up to 100% off your flight to Sun Valley when booking a Flight + Hotel
Heading to Sun Valley? Explore Sun Valley with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!
Trending flights to Sun Valley
Prices were available within the past 7 days and start at NT$22,188 for one-way flights and NT$35,589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Oct 31 - Fri, Nov 8
TPE
Taoyuan Intl.
BOI
Boise
NT$35,589 Roundtrip, found 2 hours ago
NT$35,589
Roundtrip
found 2 hours ago
- Top Flights Destinations
- From Other Airports to Sun Valley
- Flights to Cities Near Sun Valley
- Top Sun Valley Hotels
- More Popular Airlines
Top Flight Destinations
Top Flight Destinations In the World
- Flights to Taiwan
- Flights to Japan
- Flights to United States of America
- Flights to Philippines
- Flights to Thailand
- Flights to South Korea
- Flights to Australia
- Flights to Malaysia
- Flights to China
- Flights to New Zealand
- Flights to Canada
- Flights to South Africa
- Flights to Vietnam
- Flights to Germany
- Flights to United Kingdom
- Flights to Spain
- Flights to Italy
- Flights to France
- Flights to Türkiye
- Flights to Russia
From Other Airports to Sun Valley
Flights to Cities Near Sun Valley
Top Sun Valley Hotels
*Available to Expedia members.