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Sun Valley

$145+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 62 days in advance, depart on a Saturday or Friday and return on a Friday

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 julio 3, 2025.

Round-trip from

$236
(Alaska Airlines)

One-way from

$145
(Delta)

Popular in

December

Cheapest in

May

Average price

$514
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 ($101 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 July 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 julio 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 9/239:19 pmSFO - SUN
1 stop11h 15mAlaska Airlines
mar. 9/3010:16 amSUN - SFO
1 stop6h 36mAlaska Airlines
Deal found 7/2$236
This Delta deal was found by Cheapflights users on 7/2. 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.
mar. 9/239:54 amSFO - SUN
1 stop3h 43mDelta
mié. 10/112:38 pmSUN - SFO
1 stop4h 22mDelta
Deal found 7/2$237
This United Airlines deal was found by Cheapflights users on 6/30. 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.
sáb. 8/96:45 pmSFO - SUN
Nonstop1h 48mUnited Airlines
mié. 8/138:32 amSUN - SFO
Nonstop2h 13mUnited Airlines
Deal found 6/30$269

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 julio 3, 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

mar. 9/23

9:19 pm-9:34 am

1 stop11h 15m

Hailey Sun Valley-Friedman

mar. 9/30

10:16 am-3:52 pm

1 stop6h 36m

$236

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

mar. 9/23

9:54 am-2:37 pm

1 stop3h 43m

Hailey Sun Valley-Friedman

mié. 10/1

12:38 pm-4:00 pm

1 stop4h 22m

$237

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

sáb. 8/9

6:45 pm-9:33 pm

Nonstop1h 48m

Hailey Sun Valley-Friedman

mié. 8/13

8:32 am-9:45 am

Nonstop2h 13m

$269

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

vie. 11/7

10:00 am-2:51 pm

1 stop3h 51m

$145

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

vie. 9/12

9:19 pm-9:34 am

1 stop11h 15m

$150

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

jue. 7/24

11:03 pm-11:38 am

2 stops11h 35m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 June 27, 2025.

Booking 61 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 julio 3, 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 June 29, 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 julio 3, 2025.

The most flights from SFO to SV9 are scheduled on a Monday (15 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from San Francisco to Sun Valley?

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 julio 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 1 outbound flight 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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from San Francisco to Sun Valley one-way?

    One-way options have recently been found by users for as low as $145 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $150 and United Airlines from $260 one-way.

  • 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: Horizon Air (96%), United Airlines (88%), Air Canada (85%).

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

    While on average a flight from San Francisco to Sun Valley is generally $210, our data shows the cheapest flight currently is $73. When looking at the most popular route, (San Francisco - Hailey Sun Valley-Friedman), you can expect to pay $236 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$78Average$222FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$156Average$266FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$157Average$426FlexibilityNo cancel feeOn-time69%
DeltaCheapest$262Average$511FlexibilityNo cancel feeOn-timeN/A

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