$119 Cheap Flights from San Jose (SJC) to Idaho Falls (IDA)

View $119 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA)

Cheap Flights from San Jose to Idaho Falls (SJC-IDA)

Prices were available within the past 7 days and start at $119 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, Dec 6 - Sat, Dec 13
SJC
San Jose
IDA
Idaho Falls
$238 Roundtrip, found 4 days ago
$238
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Dec 6 from San Jose to Idaho Falls, returning Sat, Dec 13, priced at $238 found 4 days ago
Alaska Airlines
Tue, Nov 18 - Fri, Dec 5
SJC
San Jose
IDA
Idaho Falls
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Nov 18 from San Jose to Idaho Falls, returning Fri, Dec 5, priced at $248 found 4 days ago
Alaska Airlines
Fri, Dec 5 - Mon, Dec 8
SJC
San Jose
IDA
Idaho Falls
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from San Jose to Idaho Falls, returning Mon, Dec 8, priced at $258 found 5 days ago
Alaska Airlines
Mon, Jan 12 - Tue, Jan 13
SJC
San Jose
IDA
Idaho Falls
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jan 12 from San Jose to Idaho Falls, returning Tue, Jan 13, priced at $260 found 1 day ago
Delta
Tue, Jan 13 - Thu, Jan 15
SJC
San Jose
IDA
Idaho Falls
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 13 from San Jose to Idaho Falls, returning Thu, Jan 15, priced at $261 found 1 day ago
Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
SJC
San Jose
IDA
Idaho Falls
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jan 12 from San Jose to Idaho Falls, returning Wed, Jan 14, priced at $263 found 1 day ago
Delta
Tue, Nov 18 - Wed, Dec 3
SJC
San Jose
IDA
Idaho Falls
$269 Roundtrip, found 4 days ago
$269
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 18 from San Jose to Idaho Falls, returning Wed, Dec 3, priced at $269 found 4 days ago
Hawaiian Airlines
Wed, Jan 14 - Tue, Jan 20
SJC
San Jose
IDA
Idaho Falls
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jan 14 from San Jose to Idaho Falls, returning Tue, Jan 20, priced at $271 found 1 day ago
United
Mon, Jan 12 - Wed, Jan 14
SJC
San Jose
IDA
Idaho Falls
$313 Roundtrip, found 1 day ago
$313
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 12 from San Jose to Idaho Falls, returning Wed, Jan 14, priced at $313 found 1 day ago
American Airlines
Sat, Nov 15 - Tue, Nov 18
SJC
San Jose
IDA
Idaho Falls
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Nov 15 from San Jose to Idaho Falls, returning Tue, Nov 18, priced at $330 found 5 days ago

Find the cheapest month to fly from San Jose (SJC) to Idaho Falls (IDA)

January is typically the cheapest month to fly

From $220 - $705 per traveler.

Alternative airports near Idaho Falls

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

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $351
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $351

Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA) cost?
Lock in a cheap one-way flight from $119 or cheap return flight from $238 from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between SJC and IDA. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJC to IDA flight.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA)?
You'll need to catch a flight with a layover if you're traveling from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SJC to IDA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Idaho Falls Regional Airport (IDA)?
Opt for a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Idaho Falls Regional Airport (IDA) last-minute?
Last-minute fares from SJC to IDA are generally more expensive. To lock in the lowest prices, start searching for flights well in advance. That being said, if you're flexible with your travel plans, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a SJC to IDA flight and hotel package?
Booking a SJC to IDA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Idaho Falls Regional Airport (IDA)?
If you booked your SJC to IDA flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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 details.

Travel information

Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$238
Distance
669 mi

Book with confidence

San Jose to Idaho Falls Flights

The cheapest times to fly from San Jose to Idaho Falls

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

 

The best time to book a flight from San Jose to Idaho Falls

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

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 Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 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 Idaho Falls 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 Idaho Falls 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 Idaho Falls Flights

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*Available to One Key members.