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Sun Valley

$103+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOI
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Sun Valley are usually found in October or March, booked 18 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap 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 February 9, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Tue 3/1011:34 am
SFO
-
SUN
1 stop5h 48m
Alaska Airlines
Wed 3/1111:52 am
SUN
-
SFO
1 stop7h 15m
Alaska Airlines
Deal found 2/6$177
This Expedia deal was found by Cheapflights users on 2/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:21 pm
SFO
-
SUN
1 stop17h 49m
Alaska Airlines
Tue 3/1711:52 am
SUN
-
SFO
1 stop4h 56m
Alaska Airlines
Deal found 2/8$247
This Delta deal was found by Cheapflights users on 2/6. 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.
Thu 3/195:40 am
SFO
-
SUN
1 stop5h 14m
Delta
Sat 3/2112:40 pm
SUN
-
SFO
1 stop4h 27m
Delta
Deal found 2/6$262
This Orbitz deal was found by Cheapflights users on 2/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:00 am
SFO
-
SUN
1 stop11h 47m
Alaska Airlines
Fri 7/107:29 pm
SUN
-
SFO
1 stop5h 26m
Alaska Airlines
Deal found 2/8$275
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Sun 3/86:30 am
SFO
-
SUN
1 stop10h 52m
Alaska Airlines
Sat 3/1411:52 am
SUN
-
SFO
1 stop7h 15m
Alaska Airlines
Deal found 2/7$283
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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.
Wed 3/187:00 am
SFO
-
SUN
1 stop11h 12m
Alaska Airlines
Tue 3/247:54 pm
SUN
-
SFO
1 stop15h 37m
Alaska Airlines
Deal found 2/6$298
This Delta deal was found by Cheapflights users on 2/9. 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.
Mon 3/305:40 am
SFO
-
SUN
1 stop5h 14m
Delta
Sat 4/412:40 pm
SUN
-
SFO
1 stop4h 27m
Delta
Deal found 2/9$302

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$103
(Delta)

Popular in

November

Cheapest in

October

Average price

$608
Provider with most accurate pricing for San Francisco-Hailey Sun Valley-Friedman flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Hailey Sun Valley-Friedman flights.
Search Deals
From San Francisco to Sun Valley
Search Deals
One-way flight from San Francisco to Sun Valley
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 9, 2026.
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

Tue 3/10

11:34 am-6:22 pm

1 stop5h 48m

Hailey Sun Valley-Friedman

Wed 3/11

11:52 am-6:07 pm

1 stop7h 15m

$177

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 4/1

5:40 am-11:54 am

1 stop5h 14m

Hailey Sun Valley-Friedman

Mon 4/6

12:40 pm-4:10 pm

1 stop4h 30m

$248

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Thu 3/19

5:40 am-11:54 am

1 stop5h 14m

Hailey Sun Valley-Friedman

Sat 3/21

12:40 pm-4:07 pm

1 stop4h 27m

$262

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Sun 3/8

6:30 am-6:22 pm

1 stop10h 52m

Hailey Sun Valley-Friedman

Sat 3/14

11:52 am-6:07 pm

1 stop7h 15m

$283

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Tue 3/10

6:27 pm-11:10 am

1 stop15h 43m

Hailey Sun Valley-Friedman

Tue 3/17

7:04 pm-11:04 am

2 stops17h 00m

$290

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Wed 3/18

7:00 am-7:12 pm

1 stop11h 12m

Hailey Sun Valley-Friedman

Tue 3/24

7:54 pm-10:31 am

1 stop15h 37m

$298

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Mon 4/13

5:40 am-12:01 pm

1 stop5h 21m

Hailey Sun Valley-Friedman

Wed 4/15

3:34 pm-11:37 pm

2 stops9h 03m

$304

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Mon 3/2

5:05 pm-9:53 pm

1 stop3h 48m

$103

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Mon 3/9

5:01 pm-9:50 pm

1 stop3h 49m

$103

San FranciscoHailey

SFO - SUN

SFOSUN

San Francisco

Sun 2/22

5:55 am-12:01 pm

1 stop5h 06m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 15 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 February 6, 2026.

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, August is the cheapest month in which you can book a flight from San Francisco to Sun Valley (average of $78). Flying from San Francisco to Sun Valley in December is currently the most expensive (average of $155). 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 February 9, 2026.

It’s typically best to fly out from San Francisco to Sun Valley at noon. Doing so could potentially save you 38% on the flight price compared to flying in the evening, 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 February 7, 2026.

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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 9, 2026.
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
7.9
Good
8,174 reviews

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

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
7.9
Good
8,174 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

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
9,259 reviews
Delta
7.9
Good
8,174 reviews

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

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 2 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 Alaska Airlines fly from San Francisco to Sun Valley in about 5h 48m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Sun Valley is about 587 mi.

  • 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: United Airlines (76%), Air Canada (76%), SkyWest Airlines (75%).

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

    While on average a flight from San Francisco to Sun Valley is generally $246, our data shows the cheapest flight currently is $149. When looking at the most popular route, (San Francisco - Hailey Sun Valley-Friedman), you can expect to pay $248 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, August is the cheapest month in which you can book a flight from San Francisco to Sun Valley (average of $78). Flying from San Francisco to Sun Valley in December is currently the most expensive (average of $155). 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$68Average$195FlexibilityNo cancel feeOn-time85%
DeltaCheapest$98Average$327FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$132Average$389FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$151Average$271FlexibilityNo cancel feeOn-time75%

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