$118 Cheap Flights from Sun Valley (SUN) to San Francisco (SFO)

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Sun Valley to San Francisco (SUN-SFO)

Prices were available within the past 7 days and start at $118 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
Delta
Hawaiian Airlines
Hawaiian Airlines
American Airlines
United

Find the cheapest month to fly from Sun Valley (SUN) to San Francisco (SFO)

May is typically the cheapest month to fly

From $194 - $418 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Sun Valley (SUN) to San Francisco (SFO)
Origin airport
Friedman Memorial
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$236
Distance
587 mi
Average flight time
2 hours 13 mins

Sun Valley to San Francisco Flights

The cheapest times to fly from Sun Valley to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sun Valley to San Francisco are during the month of September. You can find some of the cheapest flights from Sun Valley to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sun Valley to San Francisco

Sunday is one of the best days to book for cheap flights from Sun Valley to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sun Valley to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sun Valley to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sun Valley to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sun Valley to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO) cost?
You can pick up cheap return tickets starting at $269 from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SUN on July 23 2025 and touching down at SFO. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from SUN to SFO?
The cheapest flights from SUN to SFO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
Catch a direct flight with United Airlines and travel straight from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO).
What is the cheapest airline that flies from SUN to SFO?
Journey from SUN to SFO with United. This carrier currently has the cheapest one-way ticket on this route, starting from $330. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SUN on July 15 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
On average, there is just 1 direct flight departing from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO) every day. If this isn't convenient for you, consider flights with layovers. Just customize your search on Expedia to include one or more stops to discover the next best option.
What are the most popular departure times for flights from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
More people fly between SUN and SFO at 1 PM than at any other time. Looking for a quieter experience? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from SUN to SFO?
Depart on a Sunday if you're searching for the biggest selection of flights from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
Friedman Memorial Airport (SUN)'s first flight to San Francisco Intl. Airport (SFO) leaves at approximately 8:30AM UTC-7. With a total journey time of 2h 29m, you'll land at around 9:59AM UTC-8.
How long does it take to fly from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
The average flight time from SUN to SFO is 2 hours and 29 minutes, covering a total distance of 590 mi.
What airline has the least delays from SUN to SFO?
With 84% of flights generally landing on schedule, United Airlines has the best on-time performance for nonstop flights from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO). To monitor your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
To reach San Francisco Intl. Airport (SFO) without delays, book a flight that takes off from Friedman Memorial Airport (SUN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Friedman Memorial Airport (SUN)?
If you're flying on a direct flight from Friedman Memorial Airport (SUN) to San Francisco, San Francisco Intl. Airport (SFO) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from SUN to SFO just before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SUN to SFO flight and hotel package?
You'll typically save money by booking a SUN to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to San Francisco Intl. Airport (SFO)?
If you booked your SUN to SFO flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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