$118+ Cheap flights from San Francisco (SFO) to Sun Valley, ID
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco to Sun Valley with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Sun Valley are usually found in October or May, booked 18 days in advance, depart on a Saturday or Tuesday and return on a Wednesday
Cheap flight deals from San Francisco to Sun Valley
Cheapest flights from San Francisco to Sun ValleyExplore the most affordable flight options available from San Francisco to Sun Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.
Explore the most affordable flight options available from San Francisco to Sun Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from San Francisco to Sun Valley
Keep the following information in mind while searching for San Francisco to Sun Valley flight deals. Data was last updated December 26, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $190 (Delta) |
One-way from | $118 (Delta) |
Popular in | November |
Cheapest in | October |
Average price | $712 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from San Francisco to Sun Valley that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Fri 3/6
5:55 am-1:01 pm
1 stop6h 06m
Hailey Sun Valley-Friedman
Sun 3/8
2:15 pm-11:16 pm
2 stops10h 01m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Sat 2/21
5:55 am-1:01 pm
1 stop6h 06m
Hailey Sun Valley-Friedman
Sat 2/28
12:41 pm-10:41 pm
2 stops11h 00m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Sat 1/31
12:00 pm-7:38 pm
1 stop6h 38m
Hailey Sun Valley-Friedman
Wed 2/4
11:56 am-5:59 pm
1 stop7h 03m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Fri 2/6
6:00 am-12:13 pm
1 stop5h 13m
Hailey Sun Valley-Friedman
Tue 2/10
12:59 pm-5:38 pm
1 stop5h 39m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Mon 1/26
2:30 pm-11:14 am
1 stop19h 44m
Hailey Sun Valley-Friedman
Thu 1/29
11:56 am-3:50 pm
1 stop4h 54m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Mon 1/12
7:00 am-7:38 pm
1 stop11h 38m
Hailey Sun Valley-Friedman
Wed 1/14
11:56 am-3:50 pm
1 stop4h 54m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Sat 2/7
5:05 pm-9:55 pm
1 stop3h 50m
Hailey Sun Valley-Friedman
Fri 2/13
1:41 pm-7:26 pm
1 stop6h 45m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Fri 2/27
5:55 am-1:01 pm
1 stop6h 06m
Hailey Sun Valley-Friedman
Sun 3/1
1:41 pm-7:26 pm
1 stop6h 45m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Thu 1/15
6:00 am-2:50 pm
2 stops7h 50m
Hailey Sun Valley-Friedman
Sun 1/18
12:55 pm-4:05 pm
1 stop4h 10m
San FranciscoHailey
SFO - SUN
SFOSUN
San Francisco
Tue 1/13
6:00 am-2:50 pm
2 stops7h 50m
Best time to book a flight from San Francisco to Sun Valley
Have a flexible travel schedule? Discover the best time to fly to Sun Valley from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Sun Valley
How far ahead should I book a flight from San Francisco to Sun Valley?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Sun Valley. Price data was last updated on December 19, 2025.
Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Sun Valley. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Francisco to Sun Valley?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Sun Valley (average of $41). Flying from San Francisco to Sun Valley in July is currently the most expensive (average of $141). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to SV9?
Find hourly flight availability from San Francisco to Sun Valley. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.
It’s typically best to fly out from San Francisco to Sun Valley at noon. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from San Francisco to Sun Valley?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Sun Valley. Price data was last updated on December 20, 2025.
Travelers seeking maximum savings on their San Francisco to Sun Valley flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Sun Valley
Explore weekly flight availability from San Francisco to Sun Valley. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 26, 2025.
The most flights from SFO to SV9 are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).
Reviews of airlines servicing Sun Valley
Get insights into the airlines that provide service to Sun Valley. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sun Valley. Reviews last updated December 26, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from San Francisco to Sun Valley to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Michael,Sep 2023
SMF - ATL
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Michael,Sep 2023
SMF - ATL
Crew
Overall
Comfort
Entertainment
Food
Boarding
Reviews
Michael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Sun Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Sun Valley
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Francisco to Sun Valley
Discover the top 4 airlines that operate flights from San Francisco to Sun Valley. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$350 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$149 | Average$268 | FlexibilityNo cancel fee | On-time75% |