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Sun Valley

$130+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Sun Valley are usually found in May or October, 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

Keep the following information in mind while searching for San Francisco to Sun Valley flight deals. Data was last updated September 11, 2025.

Round-trip from

$248
(Alaska Airlines)

One-way from

$130
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$551
From San Francisco to Sun Valley
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One-way flight from San Francisco to Sun Valley
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Highest demand for flights based on searches. 16% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Francisco to Sun Valley

Cheapest flights from San Francisco to Sun Valley
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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/15:35 amSFO - SUN
1 stop5h 23mDelta
Sat 10/43:20 pmSUN - SFO
2 stops9h 09mDelta
Deal found 9/9$254
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/115:50 amSFO - SUN
2 stops7h 53mDelta
Sat 10/183:23 pmSUN - SFO
2 stops9h 10mDelta
Deal found 9/11$259
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 9/274:59 pmSFO - SUN
1 stop4h 01mDelta
Wed 10/112:38 pmSUN - SFO
1 stop4h 22mDelta
Deal found 9/11$269
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 9/279:54 amSFO - SUN
1 stop3h 43mDelta
Tue 9/3012:38 pmSUN - SFO
2 stops8h 27mDelta
Deal found 9/11$274
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:52 pmSFO - SUN
1 stop15h 42mAlaska Airlines
Wed 10/110:16 amSUN - SFO
1 stop6h 36mAlaska Airlines
Deal found 9/8$288
This Delta deal was found by Cheapflights users on 9/8. 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.
Sat 9/205:35 amSFO - SUN
1 stop5h 23mDelta
Fri 10/33:20 pmSUN - SFO
2 stops8h 49mDelta
Deal found 9/8$294
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:52 pmSFO - SUN
1 stop15h 42mAlaska Airlines
Wed 9/2410:16 amSUN - SFO
1 stop6h 36mAlaska Airlines
Deal found 9/9$298
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 10/45:55 amSFO - SUN
2 stops7h 42mDelta
Fri 10/173:23 pmSUN - SFO
2 stops9h 10mDelta
Deal found 9/11$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Sun Valley that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from San Francisco to Sun Valley that are best for you.

Fly from

San Francisco

Fly to

Sun Valley

Route

Depart

Return

Price

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Sat 1/10

5:00 pm-10:02 pm

1 stop4h 02m

Hailey Sun Valley-Friedman

Fri 1/16

1:15 pm-4:29 pm

1 stop4h 14m

$249

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 1/28

9:29 am-12:36 pm

Nonstop2h 07m

Hailey Sun Valley-Friedman

Sat 1/31

8:05 am-9:44 am

Nonstop2h 39m

$258

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 9/24

2:42 pm-9:34 am

1 stop17h 52m

Hailey Sun Valley-Friedman

Sat 9/27

10:16 am-6:09 pm

1 stop8h 53m

$269

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Sat 9/27

5:35 am-11:58 am

1 stop5h 23m

Hailey Sun Valley-Friedman

Tue 9/30

7:30 am-12:25 pm

1 stop5h 55m

$269

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 10/1

5:35 am-11:58 am

1 stop5h 23m

Hailey Sun Valley-Friedman

Sat 10/4

7:30 am-12:25 pm

1 stop5h 55m

$274

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 9/24

5:35 am-11:58 am

1 stop5h 23m

Hailey Sun Valley-Friedman

Sat 9/27

3:20 pm-10:03 pm

2 stops7h 43m

$274

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Fri 9/26

5:55 am-2:37 pm

2 stops7h 42m

Hailey Sun Valley-Friedman

Tue 9/30

12:38 pm-11:29 pm

2 stops11h 51m

$279

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Sat 9/27

5:55 am-2:37 pm

2 stops7h 42m

Hailey Sun Valley-Friedman

Wed 10/1

12:38 pm-11:29 pm

2 stops11h 51m

$279

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 10/15

6:00 am-12:09 pm

1 stop5h 09m

Hailey Sun Valley-Friedman

Sat 10/18

3:23 pm-11:33 pm

2 stops9h 10m

$279

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 10/29

4:39 pm-9:35 am

1 stop15h 56m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results
1
2

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 August 29, 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, October is the cheapest month in which you can book a flight from San Francisco to Sun Valley (average of $314). Flying from San Francisco to Sun Valley in June is currently the most expensive (average of $398). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Sun Valley as you normally would.

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 September 7, 2025.

Travelers seeking maximum savings on their San Francisco to Sun Valley flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday mornings 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 September 11, 2025.

The most flights from SFO to SV9 are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 September 11, 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.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • What airport do you fly from for flights from San Francisco to Sun Valley?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Sun Valley. 4 airlines have flights from San Francisco to Sun Valley on a regular basis. Booking flights from San Francisco to Sun Valley should not be difficult; the airport handles an average of 0 outbound flights to Sun Valley per day.

  • How popular is this San Francisco to Sun Valley flight route?

    The San Francisco to Sun Valley flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from San Francisco to Sun Valley?

    Airlines like Delta, United Airlines, and Alaska Airlines fly from San Francisco to Sun Valley in about 2h 07m. The time it takes to get you to your destination can typically vary by up to 15h 45m. The distance between San Francisco and Sun Valley is about 587 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from San Francisco to Sun Valley?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Sun Valley on time: ANA (82%), Alaska Airlines (82%), Qatar Airways (79%).

  • What are the cheapest flights from San Francisco to Sun Valley?

    While on average a flight from San Francisco to Sun Valley is generally $239, our data shows the cheapest flight currently is $68. When looking at the most popular route, (San Francisco - Hailey Sun Valley-Friedman), you can expect to pay $249 for that flight.

  • Can I find deals for flights from San Francisco to Sun Valley that include hotel bookings?

    Yes. In addition to deals on San Francisco to Sun Valley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Sun Valley?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Sun Valley.

  • Can I find deals for business class flights from San Francisco to Sun Valley?

    Yes. Cheapflights offers flight deals from San Francisco to Sun Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Sun Valley?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Sun Valley (average of $314). Flying from San Francisco to Sun Valley in June is currently the most expensive (average of $398). 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.

See more FAQs

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$78Average$219FlexibilityNo cancel feeOn-time85%
DeltaCheapest$108Average$403FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$147Average$414FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$152Average$270FlexibilityNo cancel feeOn-time75%

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