HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$210+ Cheap flights from San Jose, CA to Idaho Falls (SJC - IDA)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — IDA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Idaho Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Jose to Idaho Falls

Cheapest flights from San Jose to Idaho Falls
Explore the most affordable flight options available from San Jose to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:27 pmSJC - IDA
1 stop21h 53mMultiple Airlines
Mon 12/229:20 pmIDA - SJC
1 stop21h 22mMultiple Airlines
Deal found 12/3$369
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/1212:35 pmSJC - IDA
2 stops10h 24mAlaska Airlines
Sat 12/135:07 pmIDA - SJC
1 stop6h 52mAlaska Airlines
Deal found 12/4$659
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/124:00 pmSJC - IDA
1 stop16h 47mUnited Airlines
Sat 12/134:19 pmIDA - SJC
1 stop6h 08mUnited Airlines
Deal found 12/4$839
This Alaska Airlines deal was found by Cheapflights users on 12/4. 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.
Sat 12/205:57 pmSJC - IDA
1 stop5h 10mAlaska Airlines
Sat 1/36:00 amIDA - SJC
1 stop18h 59mAlaska Airlines
Deal found 12/4$876
This Delta deal was found by Cheapflights users on 12/3. 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.
Fri 12/55:45 amSJC - IDA
1 stop5h 52mDelta
Sun 12/76:00 amIDA - SJC
1 stop4h 10mDelta
Deal found 12/3$895
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
Thu 12/1811:49 amSJC - IDA
2 stops11h 18mAlaska Airlines
Mon 12/226:00 amIDA - SJC
2 stops14h 23mAlaska Airlines
Deal found 12/3$1,095
This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:30 pmSJC - IDA
1 stop6h 06mAmerican Airlines
Sun 12/77:00 amIDA - SJC
2 stops16h 59mAmerican Airlines
Deal found 12/3$1,569

Find flight deals from San Jose to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$231
(Delta)

One-way from

$210
(Alaska Airlines)

Popular in

August

Cheapest in

October

Average price

$701
Provider with most accurate pricing for San Jose-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Idaho Falls Fanning Field flights.
Search Deals
From San Jose to Idaho Falls Fanning Field
Search Deals
One-way flight from San Jose to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Idaho Falls 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 December 4, 2025.
Use the filters below to find and compare flights from San Jose to Idaho Falls that are best for you.

Fly from

San Jose

Fly to

Idaho Falls

Route

Depart

Return

Price

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 4/27

5:00 pm-10:35 pm

1 stop4h 35m

Idaho Falls Fanning Field

Thu 4/30

4:00 pm-10:04 pm

1 stop7h 04m

$240

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 1/26

11:00 am-6:18 pm

1 stop6h 18m

Idaho Falls Fanning Field

Fri 1/30

6:58 pm-5:08 pm

1 stop23h 10m

$260

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 1/20

3:36 pm-10:59 pm

1 stop6h 23m

Idaho Falls Fanning Field

Fri 1/23

6:58 pm-8:04 pm

1 stop26h 06m

$260

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Mon 4/20

11:00 am-10:35 pm

1 stop10h 35m

Idaho Falls Fanning Field

Sat 4/25

6:15 am-12:06 pm

1 stop6h 51m

$274

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Sun 1/18

8:40 am-3:31 pm

1 stop5h 51m

Idaho Falls Fanning Field

Thu 1/22

2:40 pm-8:56 pm

1 stop7h 16m

$309

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 12/18

3:27 pm-2:20 pm

1 stop21h 53m

Idaho Falls Fanning Field

Mon 12/22

9:20 pm-5:42 pm

1 stop21h 22m

$369

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Thu 12/11

8:00 am-4:27 pm

1 stop7h 27m

$210

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Wed 12/10

3:49 pm-11:59 pm

1 stop7h 10m

$265

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Tue 12/9

5:45 am-12:37 pm

1 stop5h 52m

$286

San JoseIdaho Falls

SJC - IDA

SJCIDA

San Jose

Wed 12/10

8:45 am-3:24 pm

1 stop5h 39m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 13 results
1
2

Compare providers for flights from San Jose to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Idaho Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Jose, California-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Jose, California-Idaho Falls flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from San Jose 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 Jose to Idaho Falls

What is the cheapest month to book a flight from San Jose, California to Idaho Falls?

Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in January is currently the most expensive (average of $310). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated December 4, 2025.
Get a feel of what it's like to fly with Delta from San Jose to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

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 Jose to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose, California to Idaho Falls?

    A quick flight from San Jose, California to Idaho Falls can take about 4h 35m. Alaska Airlines provides one of the quickest options available for as low as $240. San Jose, California and Idaho Falls are separated by a distance of 669 mi.

  • What is the cheapest airline to fly from San Jose, California to Idaho Falls round-trip?

    Currently priced at $126, Delta will fly you from San Jose, California to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. This flight start at 69% lower than the current average price 3 months from now.

  • Can I find deals for flights from San Jose to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on San Jose to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Idaho Falls.

  • Can I find deals for business class flights from San Jose to Idaho Falls?

    Yes. Cheapflights offers flight deals from San Jose to Idaho Falls 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 Jose, California to Idaho Falls?

    Currently, August is the cheapest month in which you can book a flight from San Jose, California to Idaho Falls (average of $85). Flying from San Jose, California to Idaho Falls in January is currently the most expensive (average of $310). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boise flights
Los Angeles to Spokane flights
Los Angeles to Jackson flights
San Francisco to Jackson flights
San Francisco to Boise flights
San Diego to Boise flights
San Francisco to Spokane flights
Los Angeles to Hailey flights
Burbank to Boise flights
Ontario to Boise flights
San Diego to Spokane flights
Santa Ana to Boise flights
San Francisco to Hailey flights
San Jose to Boise flights
Las Vegas to Boise flights
Ontario to Jackson flights
Sacramento to Boise flights
Santa Ana to Spokane flights
Sacramento to Spokane flights
Ontario to Spokane flights
Las Vegas to Spokane flights
San Jose to Spokane flights
Oakland to Boise flights
Santa Ana to Jackson flights
Fresno to Boise flights
Oakland to Spokane flights
San Diego to Jackson flights
Long Beach to Boise flights
Los Angeles to Idaho Falls flights
Medford to Boise flights
Sacramento to Jackson flights
Santa Ana to Idaho Falls flights
Burbank to Jackson flights
Ontario to Idaho Falls flights
Reno to Spokane flights
Oakland to Jackson flights
Ontario to Hailey flights
San Diego to Hailey flights
Burbank to Spokane flights
Las Vegas to Idaho Falls flights
Las Vegas to Jackson flights
Santa Ana to Hailey flights
San Jose to Jackson flights
Bakersfield to Boise flights
Reno to Boise flights
Palm Springs to Boise flights
San Francisco to Idaho Falls flights
Sacramento to Idaho Falls flights
Santa Rosa to Boise flights
Burbank to Idaho Falls flights

Top airline flying from San Jose to Idaho Falls

Discover the top airline that operate flights from San Jose to Idaho Falls. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$240Average$358FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.