$120 Cheap Flights from San Jose (SJC) to Sun Valley (SUN)

View $120 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from San Jose to Sun Valley (SJC-SUN)

Prices were available within the past 7 days and start at $120 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Jan 17 - Sat, Jan 24
SJC
San Jose
SUN
Sun Valley
$238 Roundtrip, found 4 days ago
$238
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from San Jose to Sun Valley, returning Sat, Jan 24, priced at $238 found 4 days ago
Delta
Tue, Feb 3 - Tue, Feb 10
SJC
San Jose
SUN
Sun Valley
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 3 from San Jose to Sun Valley, returning Tue, Feb 10, priced at $239 found 4 days ago
Alaska Airlines
Fri, Jan 23 - Fri, Feb 6
SJC
San Jose
SUN
Sun Valley
$240 Roundtrip, found 2 days ago
$240
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jan 23 from San Jose to Sun Valley, returning Fri, Feb 6, priced at $240 found 2 days ago
American Airlines
Thu, Feb 5 - Tue, Feb 10
SJC
San Jose
SUN
Sun Valley
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Feb 5 from San Jose to Sun Valley, returning Tue, Feb 10, priced at $242 found 6 days ago
Delta
Tue, Feb 3 - Wed, Feb 11
SJC
San Jose
SUN
Sun Valley
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 3 from San Jose to Sun Valley, returning Wed, Feb 11, priced at $244 found 6 days ago
Delta
Tue, Feb 3 - Fri, Feb 13
SJC
San Jose
SUN
Sun Valley
$245 Roundtrip, found 6 days ago
$245
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Feb 3 from San Jose to Sun Valley, returning Fri, Feb 13, priced at $245 found 6 days ago
Delta
Tue, Jan 13 - Tue, Jan 27
SJC
San Jose
SUN
Sun Valley
$246 Roundtrip, found 2 days ago
$246
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jan 13 from San Jose to Sun Valley, returning Tue, Jan 27, priced at $246 found 2 days ago
Delta
Wed, Feb 4 - Tue, Feb 10
SJC
San Jose
SUN
Sun Valley
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Feb 4 from San Jose to Sun Valley, returning Tue, Feb 10, priced at $254 found 4 days ago
United
Sat, Dec 13 - Wed, Apr 1
SJC
San Jose
SUN
Sun Valley
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 13 from San Jose to Sun Valley, returning Wed, Apr 1, priced at $291 found 3 days ago
Hawaiian Airlines
Tue, Jan 27 - Fri, Feb 6
SJC
San Jose
SUN
Sun Valley
$291 Roundtrip, found 2 days ago
$291
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Jan 27 from San Jose to Sun Valley, returning Fri, Feb 6, priced at $291 found 2 days ago

Alternative airports near Sun Valley

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

Select flight to Friedman Memorial SUN. Cheapest and Closest option available. Average driving time to city center is 23 minutes. Flights from $281
SUN
Friedman Memorial
CheapestClosest
Average driving time to city center23 min
Flights from $281

Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN) cost?
Grab a cheap one-way flight from $120 or cheap return flight from $238 from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
Flying in January may help you find better deals, as it's the cheapest month for flights between SJC and SUN. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
You can't catch a direct flight from San Jose, CA (SJC-Norman Y. Mineta San Jose Intl.) to Friedman Memorial Airport (SUN). However, you can easily reach Sun Valley without any layovers by departing from San Francisco Intl. Airport (SFO).
What is the cheapest airline that flies from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
To find the cheapest airline that'll fly you from SJC to SUN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
Direct flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJC to SUN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
Book a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN) last-minute?
Booking your flight from SJC to SUN just before your trip is usually more expensive. But if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a SJC to SUN flight and hotel package?
You can save money by booking a SJC to SUN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Friedman Memorial Airport (SUN)?
If you reserved your SJC to SUN flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Friedman Memorial
Airlines serving
Alaska Airlines, Delta
Roundtrip price
$238
Distance
583 mi

Book with confidence

San Jose to Sun Valley Flights

The cheapest times to fly from San Jose to Sun Valley

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 San Jose to Sun Valley are during the month of January. You can find some of the cheapest flights from San Jose to Sun Valley with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Jose to Sun Valley: 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 San Jose to Sun Valley

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 San Jose to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 San Jose to Sun Valley 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 San Jose to Sun Valley 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.

 

San Jose to Sun Valley Flights

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